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Make Your Money Hustle: Bond Investing Sep 9, 2024 8:00:00 AM Explore how bonds can diversify your investments, filling the gap between cash and stocks. Bonds can be confusing, but we’re here to simplify them. Here’s the TL;DR: Bonds are loans you give to companies or governments who pay you back with interest. Bonds generally earn more return than high-yield savings accounts while taking on less risk than stocks. Bonds can be bought through several sources, including a broker, the U.S. government, or a diversified ETF like the multiple bond portfolios offered by Betterment. Congrats—you made it past the TL;DR. Next, we’ll dive deeper into how bonds may be able to bring balance to your investments, filling the gap between cash and stocks. In just a few minutes, you’ll walk away knowing: The basics of bonds The benefits of investing in bonds An easy way to buy bonds As interest rates begin to drop, bonds may be a good way to earn extra yield. The basics of bonds No need to read a book about bonds—here are three Q&As that give you the basics. Question 1: What is a bond? Answer: A bond is basically a loan that you provide to an entity such as a business or government that wants to raise money. You can buy and hold a bond directly from the issuer (e.g. buying US Treasury bonds from TreasuryDirect) or choose to buy and sell bonds on the secondary market (e.g. an online broker). Question 2: How does a bond work? Answer: After you “loan” your money to the entity issuing the bond, they agree to: Pay back your principal: The issuer promises to pay your initial money back, aka your principal, by a specified date called the bond’s maturity. Pay you interest: You’ll receive periodic interest payments based on the annual interest rate paid on a bond, called the coupon rate. These interest payments are either distributed to you or reinvested into your investment on a consistent schedule. Question 3: Are there risks to bond investing? Answer: Generally, bonds are less risky than stocks, but that doesn't mean they are without risk. Examples of these risks include: Credit risk: There’s a chance that a bond issuer won’t pay you back. Interest rate risk: There is a chance that the value of the bond will go down as interest rates go up. Long-term bonds have greater interest rate risk than short-term bonds. Most bonds are rated based on the bond issuer's financial strength and ability to pay a bond's principal and interest. Like stock investments, bonds with less risk offer less potential for return (aka lower yields). Less risky bonds include higher-quality bonds (more likely to be paid on time) or bonds with shorter maturities (length until full repayment). The benefits of investing in bonds For investors looking to put some of their cash to work but not wanting to go all-in on the stock market, here are three benefits that bonds can offer, making them complementary to cash and stock. 1) Bonds can help you avoid market volatility Unlike stocks, bonds don’t represent a share of ownership in a company. Because of this, you won’t see the value of a bond increase as much as a stock when a company grows, but you generally also won’t see it decrease as much as a stock when a company struggles. 2) Bonds can help you preserve wealth Bonds, especially short-maturity bonds, can be a good choice to help preserve your money while potentially earning more return than cash in a traditional savings account, money market account, or CD. 3) Bonds can help you generate income Because the entity issuing a bond typically pays the bondholder interest on some regular schedule, they can help generate consistent income with less risk than stock investing. An easy way to buy bonds Most bonds don't trade directly on centralized markets like stocks, making it more challenging to invest in individual bonds. You can buy individual bonds from a broker or directly from the US government, but both of those options require DIY knowledge and time to build a diversified portfolio. An easy way to invest in a diversified portfolio of bonds is to invest in a bond ETF. A bond ETF, or exchange-traded fund, trades on stock exchanges, like a stock ETF. In one purchase, a bond ETF offers investors a way to gain exposure to a diversified portfolio of bonds, which can include government, municipal, corporate, and international bonds. Bond ETFs aim to provide regular income through interest payments from the underlying bonds and offer the flexibility of buying and selling shares on an exchange throughout the trading day. Make your money hustle with a Betterment bond portfolio We’ve created two types of bond portfolios with different needs in mind: BlackRock Target Income portfolios What is it? The portfolios include a diverse set of bond ETFs with a range of risk levels, helping to mitigate exposure to volatility in the stock market, aiming to preserve wealth, while seeking to generate income. Who is it for? These portfolios may be better suited for investors looking for lower risk compared to stocks, with the option to choose one of four portfolio strategies targeting increasingly higher yields. The portfolio strategy should be selected based on your risk tolerance. Keep in mind, getting more income from a specific target portfolio also means taking on more risk. Goldman Sachs Tax-Smart Bonds portfolio What is it? This portfolio is built by Goldman Sachs using 100% short-term bond ETFs. Betterment then personalizes the portfolio based on your tax situation with the aim of generating after-tax yield. Who is it for? The portfolio is designed for higher-income individuals, especially in the 32% or greater federal tax bracket, looking for a potentially higher after-tax yield than a cash account with less risk than a traditional stock-and-bond investing portfolio. In both portfolios, all interest payments, also called dividends, are automatically reinvested to help grow the portfolio’s value. Ready to be invested? We make it simple to invest in a bond portfolio with three options: Make a one-time deposit. Set up recurring deposits from Betterment Checking or an external account. Schedule recurring transfers from your Betterment Cash Reserve account.

Making sense of market volatility Mar 25, 2025 7:00:00 AM During times of market turbulence, it may be tempting to move your money to safer ground. But it’s important to consider the long-term impact of your decisions. As we've seen recently, the stock market can experience significant fluctuations, rising one day and declining the next. With market swings, tariff announcements, and policy changes flying about, you may be wondering what to do and whether now is the time to take action. You’ll hear from many financial advisors, including Betterment, that volatility is natural and often something you simply need to ride out. Which is true. While the temptation to move your money to safer ground is understandable, it’s important to consider the long-term impact of your decisions. You could miss out on growth opportunities or trigger a larger tax bill. Instead of taking immediate action, take a moment to think through your investing strategy, your financial needs, and potential next steps. Start with this question: When will I need my money? It’s impossible to time the market perfectly. But having a clear timeline for your financial goals allows you to prepare for volatile moments and even take advantage of them. A longer time horizon means you can afford to ride out downturns, while a shorter one may require different considerations. We’ll walk through four different scenarios based on time horizon and how you can align your volatility strategy with your financial goals. Staying invested at every stage in life If you’re not yet in the market: Waiting for the “perfect” time to invest often leads to missed opportunities. The best time to start is now, with a diversified portfolio that aligns with your goals. If you don’t need the money for decades: Whether we’re talking retirement, education savings, or just a healthy investing portfolio, if you’ve got decades to go, time is your greatest asset. Market volatility is normal, even if it feels chaotic. Staying invested and making consistent contributions over time will allow you to benefit from long-term growth and compounding. If you need the money in the next five to 10 years: Your investments still have time to recover from a downturn, but start thinking ahead. Make sure your portfolio reflects your risk tolerance while maintaining a focus on growth. As you get closer to your end goal, you may want to plan to shift toward a more conservative allocation of stocks to bonds, or even move money into a high-yield cash account. If you’re retired or nearly retired: In this retirement-specific case, you’re already drawing down on your investments (or will soon begin to). Remember that even though you’re “using” this money, you’ll be retired for a while, so you don’t want to miss out on growth entirely. “Have a plan that includes a mix of safe and growth-oriented investments. A cash or bond ‘bucket’ can cover short-term needs, while equities can support long-term growth,” says Betterment financial planner, Corbin Blackwell, CFP®. How Betterment can help you mitigate volatility While you can’t avoid market volatility altogether, you can take proactive steps to manage your money and financial needs during market downturns. Establishing a thoughtful investing strategy now will pay dividends in the future. Here are three things to consider as you determine your approach: Invest in a well-diversified portfolio: By investing in a diversified portfolio, your money isn’t riding the wave of any individual stock, asset type, or even a country’s performance. For example, the Betterment Core portfolio is globally diversified and has delivered 9.0% annual returns (after fees) since inception.1 Consider enabling tax loss harvesting: One silver lining strategy during market downturns is tax loss harvesting—a tax-saving tool that Betterment automates. TLH is the process of selling an asset at a loss (which can happen especially during market downturns) primarily to offset taxes owed on capital gains or income. Build and maintain an emergency fund: You should work to maintain 3-6 months of expenses. These funds should be stored in an account that’s relatively liquid but still can provide some level of growth to help keep up with inflation. Depending on your preferences for risk, growth, and liquidity, we offer a few options: Emergency Fund, our investment allocation built specifically for this use case, with 30% stocks and 70% bonds BlackRock Target Income, our 100% bond portfolios Cash Reserve, our 100% high-yield cash account The big picture If you remember nothing else, remember this: The most important thing you can do is avoid making rash decisions based on short-term market movement. Betterment is here with you every step of the way, helping ensure you make the most of your money, whether the market’s up or down. 1As of 12/31/2024, and inception date 9/7/2011. Composite annual time-weighted returns: 12.7% over 1 year, 7.9% over 5 years, and 7.8% over 10 years. Composite performance calculated based on the dollar-weighted average of actual client time-weighted returns for the Core portfolio at 90/10 allocation, net of fees, includes dividend reinvestment, and excludes the impact of cash flows. Past performance not guaranteed, investing involves risk.

How Betterment Manages Risks in Your Portfolio Dec 20, 2024 12:00:00 AM Betterment’s tools can keep you on track with the best chance of reaching your goals. Investing always involves some level of risk. But you should always have control over how much risk you take on. When your goals are decades away, it's easier to invest in riskier assets. The closer you get to reaching your goals, the more you may want to play it safe. Betterment’s tools can help manage risk and keep you on track toward your goals. In this guide, we’ll: Explain how Betterment provides allocation advice Talk about determining your personal risk level Walk through some of Betterment’s automated tools that help you manage risk Take a look at low-risk portfolios The key to managing your risk: asset allocation Risk is inherent to investing, and to some degree risk is good. High risk, high reward, right? What’s important is how you manage your risk. You want your investments to grow as the market fluctuates. One major way investors manage risk is through diversification. You’ve likely heard the old cliche, “Don’t put all your eggs in one basket.” This is the same reasoning investors use. We diversify our investments, putting our eggs in various baskets, so to speak. This way if one investment fails, we don’t lose everything. But how do you choose which baskets to put your eggs in? And how many eggs do you put in those baskets? Investors have a name for this process: asset allocation. Asset allocation involves splitting up your investment dollars across several types of financial assets (like stocks and bonds). Together these investments form your portfolio. A good portfolio will have your investment dollars in the right baskets: protecting you from extreme loss when the markets perform poorly, yet leaving you open to windfalls when the market does well. If that sounds complicated, there’s good news: Betterment will automatically recommend how to allocate your investments based on your individual goals. How Betterment provides allocation advice At Betterment, our recommendations start with your financial goals. Each of your financial goals—whether it’s a vacation or retirement—gets its own allocation of stocks and bonds. Next we look at your investment horizon, a fancy term for “when you need the money and how you’ll withdraw it.” It’s like a timeline. How long will you invest for? Will you take it out all at once, or a little bit at a time? For a down payment goal, you might withdraw the entire investment after 10 years once you’ve hit your savings mark. But when you retire, you’ll probably withdraw from your retirement account gradually over the course of years. What if you don’t have a defined goal? If you’re investing without a timeline or target amount, we’ll use your age to set your investment horizon with a default target date of your 65th birthday. We’ll assume you’ll withdraw from it like a retirement account, but maintain a slightly riskier portfolio even when you hit the target date, since you haven’t decided when you'll liquidate those investments. But you’re not a “default” person. So why would you want a default investment plan? That’s why you should have a goal. When we know your goal and time horizon, we can determine the best risk level by assessing possible outcomes across a range of bad to average markets. Our projection model includes many possible futures, weighted by how likely we believe each to be. By some standards, we err on the side of caution with a fairly conservative allocation model. Our mission is to help you get to your goal through steady saving and appropriate allocation, rather than taking on unnecessary risk. How much risk should you take on? Your investment horizon is one of the most important factors in determining your risk level. The more time you have to reach your investing goals, the more risk you can afford to safely take. So generally speaking, the closer you are to reaching your goal, the less risk your portfolio should be exposed to. This is why we use the Betterment auto-adjust—a glide path (aka formula) used for asset allocation that becomes more conservative as your target date approaches. We adjust the recommended allocation and portfolio weights of the glide path based on your specific goal and time horizon. Want to take a more aggressive approach? More conservative? That’s totally ok. You’re in control. You always have the final say on your allocation, and we can show you the likely outcomes. Our quantitative approach helps us establish a set of recommended risk ranges based on your goals. If you choose to deviate from our risk guidance, we’ll provide you with feedback on the potential implications. Take more risk than we recommend, and we’ll tell you we believe your approach is “too aggressive” given your goal and time horizon. Even if you care about the downsides less than the average outcome, we’ll still caution you against taking on more risk, because it can be very difficult to recover from losses in a portfolio flagged as “too aggressive.” On the other hand, if you choose a lower risk level than our “conservative” band, we'll label your choice “very conservative.” A downside to taking a lower risk level is you may need to save more. You should choose a level of risk that’s aligned with your ability to stay the course. An allocation is only optimal if you’re able to commit to it in both good markets and bad ones. To ensure you’re comfortable with the short-term risk in your portfolio, we present both extremely good and extremely poor return scenarios for your selection over a one-year period. How Betterment automatically optimizes your risk An advantage of investing with Betterment is that our technology works behind the scenes to automatically manage your risk in a variety of ways, including auto-adjusted allocation and rebalancing. Auto-adjusted allocation For most goals, the ideal allocation will change as you near your goal. Our automated tools aim to make those adjustments as efficient and tax-friendly as possible. Deposits, withdrawals, and dividends can help us guide your portfolio toward the target allocation, without having to sell any assets. If we do need to sell any of your investments, our tax-smart technology is designed to minimize the potential tax impact. First we look for shares that have losses. These can offset other taxes. Then we sell shares with the smallest embedded gains (and smallest potential taxes). Rebalancing Over time, individual assets in a diversified portfolio move up and down in value, drifting away from the target weights that help achieve proper diversification. The difference between your target allocation and the actual weights in your current ETF portfolio is called portfolio drift. We define portfolio drift as the total absolute deviation of each super asset class from its target, divided by two. These super asset classes are US Bonds, International Bonds, Emerging Markets Bonds, US Stocks, International Stocks, and Emerging Markets Stocks. A high drift may expose you to more (or less) risk than you intended when you set the target allocation. Betterment automatically monitors your account for rebalancing opportunities to reduce drift. There are several different methods depending on the circumstances: First, in response to cash flows such as deposits, withdrawals, and dividend reinvestments, Betterment buys underweight holdings and sells overweight holdings. This reactive rebalancing generally occurs when cash flows going into or out of the portfolio are already happening. We use inflows (like deposits and dividend reinvestments) to buy asset classes that are under-weight. This reduces the need to sell, which in turn reduces potential capital gains taxes. And we use outflows (like withdrawals) by seeking to first sell asset classes that are overweight. Second, if cash flows are not sufficient to keep a client’s portfolio drift within its applicable drift tolerance (such parameters as disclosed in Betterment’s Form ADV), automated rebalancing sells overweight holdings in order to buy underweight ones, aligning the portfolio more closely with its target allocation. This proactive rebalancing reshuffles assets that are already in the portfolio, and requires a minimum portfolio balance (clients can review the estimated balance at www.betterment.com/legal/portfolio-minimum). The rebalancing algorithm is also calibrated to avoid frequent small rebalance transactions and to seek tax efficient outcomes, such as preventing wash sales and minimizing short-term capital gains. Allocation change rebalancing occurs when you change your target allocation. This sells securities and could possibly realize capital gains, but we still utilize our tax minimization algorithm to help reduce the tax impact. We’ll let you know the potential tax impact before you confirm your allocation change. Once you confirm it, we’ll rebalance to your new target with minimized drift. If you are an Advised client, rebalancing in your account may function differently depending on the customizations your Advisor has selected for your portfolio. We recommend reaching out to your Advisor for further details. For more information, please review our rebalancing disclosures. How Betterment reduces risk in portfolios Investments like short-term US treasuries can help reduce risk in portfolios. At a certain point, however, including assets such as these in a portfolio no longer improves returns for the amount of risk taken. For Betterment, this point is our 60% stock portfolio. Portfolios with a stock allocation of 60% or more don’t incorporate these exposures. We include our U.S. Ultra-Short Income ETF and our U.S. Short-Term Treasury Bond ETF in the portfolio at stock allocations below 60% for both the IRA and taxable versions of the Betterment Core portfolio strategy. If your portfolio includes no stocks (meaning you allocated 100% bonds), we can take the hint. You likely don’t want to worry about market volatility. So in that case, we recommend that you invest everything in these ETFs. At 100% bonds and 0% stocks, a Betterment Core portfolio consists of 60% U.S. short-term treasury bonds, 20% U.S. short-term high quality bonds, and 20% inflation protected bonds. Increase the stock allocation in your portfolio, and we’ll decrease the allocation to these exposures. Reach the 60% stock allocation threshold, and we’ll remove these funds from the recommended portfolio. At that allocation, they decrease expected returns given the desired risk of the overall portfolio. Short-term U.S. treasuries generally have lower volatility (any price swings are quite mild) and smaller drawdowns (shorter, less significant periods of loss). The same can be said for short-term high quality bonds, but they are slightly more volatile. It’s also worth noting that these asset classes don’t always go down at exactly the same time. By combining these asset classes, we’re able to produce a portfolio with a higher potential yield while maintaining relatively lower volatility. As with other assets, the returns for assets such as high quality bonds include both the possibility of price returns and income yield. Generally, price returns are expected to be minimal, with the primary form of returns coming from the income yield. The yields you receive from the ETFs in Betterment’s 100% bond portfolio are the actual yields of the underlying assets after fees. Since we’re investing directly in funds that are paying prevailing market rates, you can feel confident that the yield you receive is fair and in line with prevailing rates.

How socially responsible investing connects your holdings to your heart Mar 31, 2025 7:00:00 AM Learn more about this increasingly-popular category of investing. Socially responsible investing (SRI), also known as environmental, social, and governance (ESG) investing, screens for companies that consider both their returns and their responsibility to the wider world. It’s a growing market for investors, with assets totaling $30 trillion as of 2022. We launched our first SRI portfolio back in 2017, and have since expanded to a lineup of three options: Broad Impact Social Impact Climate Impact All three are globally-diversified, low-cost, and built to help align your investing with your values. So let’s explore a few ways they do that, before tackling a common question about the SRI category in general: performance. How our Social Impact portfolio lifts up underserved groups Social Impact uses the Broad Impact portfolio’s foundation while adding a trio of funds focused on helping underserved groups get on equal footing. There’s $SHE and $JUST, which screen for U.S. companies demonstrating a commitment toward gender and social equality, respectively. Then there’s $VETZ, our latest addition to the portfolio. $VETZ is the first of its kind: a publicly-traded ETF that mainly invests in loans to active and retired U.S. service members, and the survivors of fallen veterans. These types of home and small-business loans have historically helped diversify portfolios, and they also help lower borrowing costs for veterans and their families. And unlike $SHE and $JUST, which are comprised of stocks, $VETZ is an all-bond fund. So even if you have a lower appetite for risk when investing, your SRI portfolio can maintain an exposure to socially responsible ETFs. How the $VOTE fund is shaking up shareholder activism Remember the “G” in ESG? It stands for governance, or how companies go about their business. Do they open up their books when necessary? Is their leadership diverse? Are they accountable to shareholders? On that last front, there’s the $VOTE ETF found in each one of our SRI portfolios. On the surface, it seems like a garden variety index fund tracking the S&P 500. Behind the scenes, however, it’s working to push companies toward positive environmental and social practices. It does this by way of “proxy” voting, or voting on behalf of the people who buy into the fund. Engine No. 1, the investment firm that manages $VOTE, puts these proxy votes to use during companies’ annual shareholder meetings, where individual shareholders, or the funds that represent them, vote on decisions like board members and corporate goals. In 2021, Engine No. 1 stunned the corporate world by persuading a majority of ExxonMobile shareholders to vote for three new board members in the name of lowering the company’s carbon footprint. And it did all this in spite of holding just .02% of the company’s shares itself. Not a bad return on investment, huh? Does SRI sacrifice gains in the name of good? We now stand eye-to-eye with the elephant in the room: performance. Worrying about returns is common regardless of your portfolio, so it’s only natural to question how socially responsible investing in general stacks up against the alternatives. Well, the evidence points to SRI comparing quite well. According to a survey of 1,141 peer-reviewed papers and other similar meta-reviews: The performance of SRI funds has “on average been indistinguishable from conventional investing.” And while the researchers note that it’s “likely that these propositions will evolve,” they also found evidence that SRI funds may offer “downside” protection in times of social or economic crisis such as pandemics. Your socially responsible investing, in other words, is anything but a charity case. Simplifying the socially responsible space Not long ago, SRI was barely a blip on the radar of everyday investors. If you were hip to it, you likely had just two options: DIY the research and purchase of individual SRI stocks Pay a premium to buy into one of the few funds out there at the time Those days are thankfully in the past, because our portfolios make it easy to express your values through your investing. And our team of investing experts regularly seeks out new funds like $VETZ and updated SRI standards that strive to deliver more impact while helping you reach your goals. Check out our full methodology if you’re hungry for more details. And if you’re ready to invest for a better world, we’ve got you covered.

The Betterment Core portfolio strategy Mar 25, 2024 10:00:00 AM We continually improve our portfolio construction methodology over time in line with our research-focused investment philosophy. TABLE OF CONTENTS Introduction Global Diversification and Asset Allocation Portfolio Optimization Tax Management Using Municipal Bonds The Value Tilt Portfolio Strategy Innovative Technology Portfolio Strategy Conclusion Citations I. Introduction Betterment builds investment portfolios designed to help you make the most of your money so you can live the life you want. Our investment philosophy forms the basis for how we pursue that objective: Betterment uses real-world evidence and systematic decision-making to help increase our customers’ wealth. In building our platform and offering individualized advice, Betterment’s philosophy is actualized by our five investing principles. Regardless of one’s assets or specific situation, Betterment believes all investors should: Make a personalized plan. Build in discipline. Maintain diversification. Balance cost and value. Manage taxes. To align with Betterment’s investing principles, a portfolio strategy must enable personalized planning and built-in discipline for investors. The Betterment Core portfolio strategy contains 101 individualized risk levels (each with a different percentage of the portfolio invested in stocks vs. bonds, informed by your financial goals, time horizon and risk tolerance), in part, because that level of granularity in allocation management provides the flexibility to align to multiple goals with different timelines and circumstances. In this guide to the Betterment Core portfolio strategy construction process, our goal is to demonstrate how the methodology, in both its application and development, embodies Betterment’s investing principles. When developing a portfolio strategy, any investment manager faces two main tasks: asset class selection and portfolio optimization. Fund selection is also guided by our investing principles, and is covered separately in our Investment Selection Methodology paper. II. Global Diversification and Asset Allocation An optimal asset allocation is one that lies on the efficient frontier, which is a set of portfolios that seek to achieve the maximum objective for any given feasible level of risk. The objective of most long-term portfolio strategies is to maximize return for a given level of risk, which is measured in terms of volatility—the dispersion of those returns. In line with our investment philosophy of making systematic decisions backed by research, Betterment’s asset allocation is based on a theory by economist Harry Markowitz called Modern Portfolio Theory.1 A major tenet of Modern Portfolio Theory is that any asset included in a portfolio should not be assessed by itself, but rather, its potential risk and return should be analyzed as a contribution to the whole portfolio. Modern Portfolio Theory seeks to maximize expected return given an expected risk level or, equivalently, minimize expected risk given an expected return. Other forms of portfolio construction may legitimately pursue other objectives, such as optimizing for income, or minimizing loss of principal. Asset Classes Selected for Betterment’s Core Portfolio Strategy The Betterment Core portfolio strategy’s asset allocation starts with a universe of investable assets, which for us could be thought of as the “global market portfolio.”2 To capture the exposures of the asset classes for the global market portfolio, Betterment evaluates available exchange-traded funds (ETFs) that represent each class in the theoretical market portfolio. We base our asset class selection on ETFs because this aligns portfolio construction with our investment selection methodology. Betterment’s portfolios are constructed of the following asset classes: Equities U.S. equities International developed market equities Emerging market equities Bonds U.S. short-term treasury bonds U.S. inflation-protected bonds U.S. investment-grade bonds U.S. municipal bonds International developed market bonds Emerging market bonds We select U.S. and international developed market equities as a core part of the portfolio. Historically, equities exhibit a high degree of volatility, but provide some degree of inflation protection. Even though significant historical drawdowns, such as the global financial crisis in 2008 and pandemic outbreak in 2020, demonstrate the possible risk of investing in equities, longer-term historical data and our forward expected returns calculations suggest that developed market equities remain a core part of any asset allocation aimed at achieving positive returns. This is because, over the long term, developed market equities have tended to outperform bonds on a risk-adjusted basis. To achieve a global market portfolio, we also include equities from less developed economies, called emerging markets. Generally, emerging market equities tend to be more volatile than U.S. and international developed equities. And while our research shows high correlation between this asset class and developed market equities, their inclusion on a risk-adjusted basis is important for global diversification. Note that Betterment excludes frontier markets, which are even smaller than emerging markets, due to their widely varying definition, extreme volatility, small contribution to global market capitalization, and cost to access. The Betterment Core portfolio strategy incorporates bond exposure because, historically, bonds have a low correlation with equities, and they remain an important way to dial down the overall risk of a portfolio. To promote diversification and leverage various risk and reward tradeoffs, the Betterment Core portfolio strategy includes exposure to several asset classes of bonds. Asset Classes Excluded from the Betterment Core Portfolio Strategy While Modern Portfolio Theory would have us craft a portfolio to represent the total market, including all available asset classes, we exclude some asset classes whose cost and/or lack of data outweighs the potential benefit gained from their inclusion. The Betterment Core portfolio construction process excludes commodities and natural resources asset classes. Specifically, while commodities represent an investable asset class in the global financial market, we have excluded commodities ETFs because of their low contribution to a global stock/bond portfolio's risk-adjusted return. In addition, real estate investment trusts (REITs), which tend to be well marketed as a separate asset class, are not explicitly included in the Core portfolio strategy. Betterment does provide exposure to real estate, but as a sector within equities. Adding additional real estate exposure by including a REIT asset class would overweight the exposure to real estate relative to the overall market. Incorporating awareness of a benchmark Before 2024, we managed the Core portfolio strategy in a “benchmark agnostic” manner, meaning we did not incorporate consideration of global stock and bond indices in our portfolio optimization, though we have always sought to optimize the expected risk-adjusted return of the portfolios we construct for clients. The “risk” element of this statement represents volatility and the related drawdown potential of the portfolio, but it could also represent the risk in the deviation of the portfolio’s performance relative to a benchmark. In an evolution of our investment process, in 2024 we updated our portfolio construction methodology to become “benchmark aware,” as we now calibrate our exposures based on a custom benchmark that expresses our preference for diversifying across global stocks and bonds. A benchmark, which comes in the form of a broad-based market index or a combination of indices, serves as a reference point when approaching asset allocation, understanding investment performance, and aligning the expectations of portfolio managers and clients. In our case, we created a custom benchmark that most closely aligns with our future expectations for global markets. The custom benchmark we have selected is composed of (1) the MSCI All Country World stock index (MSCI ACWI), (2) the Bloomberg Global Aggregate Bond index, and (3) at low risk levels, the ICE US Treasury 1-3 Year Index. Our custom benchmark is composed of 101 risk levels of varying percentage weightings of the stock and bond indexes, which correspond to the 101 risk level allocations in our Core portfolio. At low risk levels (allocations that are less than 40% stocks), we layer an allocation to the ICE US Treasury 1-3 Year index, which represents short-term bonds, into the blended benchmark. We believe that incorporating this custom benchmark into our process reinforces the discipline of carefully evaluating the ways in which our portfolios’ performance could veer from global market indices and deviate from our clients’ expectations. We have customized the benchmark with 101 risk levels so that it serves clients’ varying investment goals and risk tolerances. As we will explore in the following section, establishing a benchmark allows us to apply constraints to our portfolio optimization that ensures the portfolio strategy’s asset allocation does not vary significantly from the geographic and market-capitalization size exposures of a sound benchmark. Our benchmark selection also makes explicit that the portfolio strategy delivers global diversification rather than the more narrowly concentrated and home-biased exposures of other possible benchmarks such as the S&P 500. III. Portfolio Optimization As an asset manager, we fine-tune the investments our clients hold with us, seeking to maximize return potential for the appropriate amount of risk each client can tolerate. We base this effort on a foundation of established techniques in the industry and our own rigorous research and analysis. While most asset managers offer a limited set of model portfolios at a defined risk scale, the Betterment Core portfolio strategy is designed to give customers more granularity and control over how much risk they want to take on. Instead of offering a conventional set of three portfolio choices—aggressive, moderate, and conservative—our portfolio optimization methods enable the Core portfolio strategy to contain 101 different risk levels. Optimizing Portfolios Modern Portfolio Theory requires estimating variables such as expected-returns, covariances, and volatilities to optimize for portfolios that sit along an efficient frontier. We refer to these variables as capital market assumptions (CMAs), and they provide quantitative inputs for our process to derive favorable asset class weights for the portfolio strategy. While we could use historical averages to estimate future returns, this is inherently unreliable because historical returns do not necessarily represent future expectations. A better way is to utilize the Capital Asset Pricing Model (CAPM) along with a utility function which allows us to optimize for the portfolio with a higher return for the risk that the investor is willing to accept. Computing Forward-Looking Return Inputs Under CAPM assumptions, the global market portfolio is the optimal portfolio. Since we know the weights of the global market portfolio and can reasonably estimate the covariance of those assets, we can recover the returns implied by the market.3 This relationship gives rise to the equation for reverse optimization: μ = λ Σ ωmarket Where μ is the return vector, λ is the risk aversion parameter, Σ is the covariance matrix, and ωmarket is the weights of the assets in the global market portfolio.5 By using CAPM, the expected return is essentially determined to be proportional to the asset’s contribution to the overall portfolio risk. It’s called a reverse optimization because the weights are taken as a given and this implies the returns that investors are expecting. While CAPM is an elegant theory, it does rely on a number of limiting assumptions: e.g., a one period model, a frictionless and efficient market, and the assumption that all investors are rational mean-variance optimizers.4 In order to complete the equation above and compute the expected returns using reverse optimization, we need the covariance matrix as an input. This matrix mathematically describes the relationships of every asset with each other as well as the volatility risk of the assets themselves. In another more recent evolution of our investment process, we also attempt to increase the robustness of our CMAs by averaging in the estimates of expected returns and volatilities published by large asset managers such as BlackRock, Vanguard, and State Street Global Advisors. We weight the contribution of their figures to our final estimates based on our judgment of the external provider’s methodology. Constrained optimization for stock-heavy portfolios After formulating our CMAs for each of the asset classes we favor for inclusion in the Betterment Core portfolio strategy, we then solve for target portfolio allocation weights (the specific set of asset classes and the relative distribution among those asset classes in which a portfolio will be invested), with the range of possible solutions constrained by limiting the deviation from the composition of the custom benchmark. To robustly estimate the weights that best balance risk and return, we first generate several thousand random samples of 15 years of expected returns for the selected asset classes based on our latest CMAs, assuming a multivariate normal distribution. For each sample of 15 years of simulated expected return data, we find a set of allocation weights subject to constraints that provide the best risk-return trade-off, expressed as the portfolio’s Sharpe ratio, i.e., the ratio of its return to its volatility. Averaging the allocation weights across the thousands of return samples gives a single set of allocation weights optimized to perform in the face of a wide range of market scenarios (a “target allocation”). The constraints are imposed to make the portfolio weights more benchmark-aware by setting maximum and minimum limits to some asset class weights. These constraints reflect our judgment of how far the composition of geographic regions within the portfolio’s stock and bond allocations should differ from the breakdown of the indices used in the benchmark before the risk of significantly varied performance between the portfolio strategy and the benchmark becomes untenable. For example, the share of the portfolio’s stock allocation assigned to international developed stocks should not be profoundly different from the share of international developed stocks within the MSCI ACWI. We implement caps on the weights of emerging market stocks and bonds, which are often projected to have high returns in our CMAs, and set minimum thresholds for U.S. stocks and bonds. This approach not only ensures our portfolio aligns more closely with the benchmark, but it also mitigates the risk of disproportionately allocating to certain high expected return asset classes. Constrained optimization for bond-heavy portfolios For versions of the Core portfolio strategy that have more than or equal to 60% allocation to bonds, the optimization approach differs in that expected returns are maximized for target volatilities assigned to each risk level. These volatility targets are determined by considering the volatility of the equivalent benchmark. Manually established constraints are designed to manage risk relative to the benchmark, instituting a declining trend in emerging market stock and bond exposures as stock allocations (i.e., the risk level) decreases. Meaning that investors with more conservative risk tolerances have reduced exposures to emerging market stocks and bonds because emerging markets tend to have more volatility and downside-risk relative to more established markets. Additionally, as the stock allocation percentage decreases, we taper the share of international and U.S. aggregate bonds within the overall bond allocation, and increase the share of short-term Treasury, short-term investment grade, and inflation-protected bonds. This reflects our view that investors with more conservative risk tolerances should have increased exposure to short-term Treasury, short-term investment grade, and inflation-protected bonds relative to riskier areas of fixed income. The lower available risk levels of the Core portfolio strategy demonstrate capital preservation objectives, as the shorter-term fixed income exposures likely possess less credit and duration risk. Clients invested in the Core portfolio at conservative allocation levels will likely therefore not experience as significant drawdowns in the event of waves of defaults or upward swings in interest rates. Inflation-protected securities also help buffer the lower risk levels from upward drafts in inflation. IV. Tax Management Using Municipal Bonds For investors with taxable accounts, portfolio returns may be further improved on an after-tax basis by utilizing municipal bonds. This is because the interest from municipal bonds is exempt from federal income tax. To take advantage of this, the Betterment Core portfolio strategy in taxable accounts is also tilted toward municipal bonds because interest from municipal bonds is exempt from federal income tax, which can further optimize portfolio returns. Other types of bonds remain for diversification reasons, but the overall bond tax profile is improved by tilting towards municipal bonds. For investors in states with some of the highest tax rates—New York and California—Betterment can optionally replace the municipal bond allocation with a more narrow set of bonds for that specific state, further saving the investor on state taxes. Betterment customers who live in NY or CA can contact customer support to take advantage of state specific municipal bonds. V. The Value Tilt Portfolio Strategy Existing Betterment customers may recall that historically the Core portfolio strategy held a tilt to value companies, or businesses that appear to be potentially undervalued based on metrics such as price to earnings ratios. The latest iteration of the Core portfolio strategy, however, has deprecated this explicit tilt that was expressed via large-, mid-, and small-capitalization U.S. value stock ETFs, while maintaining some exposure to value companies through broad market U.S. stock funds. We no longer favor allocating to value stock ETFs within the Core portfolio strategy in large part as a result of our adoption of a broad market benchmark, which highlights the idiosyncratic nature of such tilts, sometimes referred to as “off benchmark bets.” We believe our chosen benchmark that represents stocks through the MSCI ACWI, which holds a more neutral weighting to value stocks, more closely aligns with the risk and return expectations of Betterment’s diverse range of client types across individuals, financial advisors, and 401(k) plan sponsors. Additionally, as markets have grown more efficient and value factor investing more popularized, potentially compressing the value premium, we have a marginally less favorable view of the forward-looking, risk-adjusted return profile of the exposure. That being said, we have not entirely lost conviction in the research supporting the prudence of value investing. The value factor’s deep academic roots drove decisions to incorporate the value tilt into Betterment’s portfolios from the company’s earliest days. For investors who wish to remain invested in a value strategy, we have added the Value Tilt portfolio strategy, a separate option from the Core portfolio strategy to our investing offering. The Value Tilt portfolio strategy maintains the Core portfolio strategy’s global diversification across stocks and bonds while including a sleeve within the stock allocation of large-, mid-, and small-capitalization U.S. value funds. We calibrated the size of the value fund exposure based on a certain target historical tracking error to the backtested performance of the latest version of the Core portfolio strategy. Based on this approach, investors should expect the Value Tilt portfolio strategy to generally perform similarly to Core, with the potential to under- or outperform based on the return of U.S. value stocks. With the option to select between the Value Tilt portfolio strategy or a Core now without an explicit allocation to value, the investment flexibility of the Betterment platform has improved. VI. Innovative Technology Portfolio Strategy In 2021, Betterment launched the Innovative Technology portfolio strategy to provide access to the thematic trend of technological innovation. The premise of investing in this theme is that your investments incorporate exposure to the companies that are seeking to shape the next industrial revolution. Similar to the Value Tilt portfolio, the Core portfolio strategy is used as the foundation of construction for the Innovative Technology portfolio. With this portfolio strategy, we calibrated the size of the innovative technology fund exposure based on a certain target historical tracking error to the backtested performance of the latest version of the Core portfolio strategy. Through this process, the Innovative Technology portfolio maintains the same globally diversified, low-cost approach that is found in Betterment’s investment philosophy. The portfolio however has increased exposure to risk given that innovation requires a long-term view, and may face uncertainties along the way. It may outperform or underperform depending on the return experience of the innovative technology fund exposure and the thematic landscape. VII. Conclusion After setting the strategic weight of assets in the Betterment Core portfolio strategy, the next step in implementing the portfolio construction process is Betterment’s investment selection, which selects the appropriate ETFs for the respective asset exposure in a generally low-cost, tax-efficient way. In keeping with our philosophy, that process, like the portfolio construction process, is executed in a systematic, rules-based way, taking into account the cost of the fund and the liquidity of the fund. Beyond ticker selection is our established process for allocation management—how we advise downgrading risk over time—and our methodology for automatic asset location, which we call Tax Coordination. Finally, our overlay features of automated rebalancing and tax-loss harvesting are designed to be used to help further maximize individualized, after-tax returns. Together these processes put our principles into action, to help each and every Betterment customer maximize value while invested at Betterment and when they take their money home. VIII. Citations 1 Markowitz, H., "Portfolio Selection".The Journal of Finance, Vol. 7, No. 1. (Mar., 1952), pp. 77-91. 2 Black F. and Litterman R., Asset Allocation Combining Investor Views with Market Equilibrium, Journal of Fixed Income, Vol. 1, No. 2. (Sep., 1991), pp. 7-18. Black F. and Litterman R., Global Portfolio Optimization, Financial Analysts Journal, Vol. 48, No. 5 (Sep. - Oct., 1992), pp. 28-43. 3 Litterman, B. (2004) Modern Investment Management: An Equilibrium Approach. 4 Note that the risk aversion parameter is essentially a free parameter. 5 Ilmnen, A., Expected Returns.

How to course correct when you simply can't stay the course May 12, 2025 3:20:36 PM De-risking during market volatility can be costly. Here’s how to do it without breaking the bank. The best course of action during market volatility is often inaction. That’s because selling riskier assets at a loss locks in those losses. It foregoes their potential for future growth, and it might also trigger capital gains taxes in the process. But if taking some sort of action feels necessary, then modestly reducing your overall risk exposure can be a reasonable alternative. Consider dialing down your existing stock allocation by a few percentage points, or lower the costs of recalibrating by using your future deposits instead. Either way, the solution may be the same: sprinkling in more bonds. Consider bonds to calm your investing nerves When people talk about diversification, equities like international stocks get most of the attention. But no less important in the role of managing risk are bonds. These are the loans given to governments and companies by investors, and while they're not completely risk-free (no asset is), the relatively-modest interest they tend to pay out can feel like a windfall when stock values are plunging. They won’t negate all of the volatility of stocks, but they can help smooth things out and preserve capital. This is why all of our recommended allocations include holding at least some bonds. One way to de-risk some of your future investing is with one of our portfolios made up of both stocks and bonds (Core, Value Tilt, etc.). We’ll recommend a risk level based on your goal, but we make it easy to dial up the bond allocation to your preference. Over time, you can slowly finetune things until your collective risk feels right. Or you can let us automatically adjust it based on your target date. We also offer two portfolios comprised entirely of bonds, each one designed for a different use: The BlackRock Target Income portfolio, designed to help you limit market volatility, preserve wealth, and generate income. The Goldman Sachs Tax-Smart Bonds portfolio, designed for high-income individuals seeking a higher after-tax yield compared to a cash account. Don’t forget about the role of cash One of the best ways to mitigate your overall financial risk is by shoring up your emergency fund, and preferably in a high-yield cash account like our Cash Reserve. Imagine losing your income stream, and how much time you'd want to get back on your feet. A good place to start is 3-6 months' worth of your essential expenses, but your right amount is whatever helps you sleep more soundly at night. Steadying the ship during unsteady times As we mentioned up front, right-sizing your risk during downturns isn’t always cheap. But there are ways to minimize the costs. Lowering your risk profile incrementally is one of them, and stretching out your safety net is another. Either way, it’s okay to recalibrate your risk tolerance from time-to-time, and you can do it wisely with Betterment.