Your eligible balance is the total value of all shares in your portfolio in taxable accounts that have gains and have been held for more than a year (long-term gains). We don’t allow the donation of shares held for less than a year because the tax benefits aren't as compelling.
Betterment is not a tax advisor, and the information provided here should not be construed as tax advice. It should only be used for informational purposes. Please consult a qualified tax professional and refer to IRS Publication 526 and IRS Form 8283 to determine the rules that apply to your individual tax situation.