Crypto Tax-Loss Harvesting Calculator
See how much tax you can defer by harvesting a losing crypto position.
Selling at a $5,500 loss and reinvesting after 30 days in a non-substantially-identical asset can save roughly $825 in long-term capital gains tax. IRS wash-sale rules apply to securities; as of 2026 the IRS has not formally extended them to crypto, but pending legislation could change this. Repurchasing within 30 days is risky.
Cost basis
$15,000
Current value
$9,500
Unrealized P/L
$-5,500
Holding period
1.5 yr — long-term
Tax rate applied
15%
Realized loss (if sold)
$5,500
Tax saved (federal, est.)
$825
Verdict
Consult a tax pro
このツールについて
Type the cost basis, current value, holding period, and your marginal tax rate (short- vs long-term). Get the realized loss, the federal tax saved, the wash-sale warning for repurchase within 30 days, and the net benefit. A direct response to the r/CryptoCurrency and r/tax 'should I sell my BTC at a loss before Dec 31' question.
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