Crypto Tax Loss Harvesting in 2026: Rules, Wash Sales and How To Do It

Updated September 17, 2026. General information, not tax advice.

Tax loss harvesting is the one move in crypto that turns a bad year into a smaller tax bill. You sell a position that is down, lock in the loss, and use that loss to cancel out gains elsewhere. Stock investors do it every December. Crypto investors can do it with fewer restrictions, at least for now.

Does the wash sale rule apply to crypto in 2026?

As of September 2026, no. The wash sale rule in Section 1091 of the tax code disallows a loss if you buy a substantially identical security within 30 days before or after the sale. It applies to stocks and securities. The IRS classifies digital assets as property, not securities, so the rule has never applied to crypto.

That means, under current law, you can sell a coin at a loss and buy it back the same day, keeping your position and banking the loss. Congress has tried repeatedly to close this. The most recent public bill, H.R. 9172, was introduced in June 2026 and referred to the House Ways and Means Committee, and it is one of several digital asset tax bills under discussion. None has been signed into law at the time of writing.

How to harvest a crypto loss, step by step

1. Find your losers by lot, not by coin. You may hold BTC that is up overall but includes lots bought at a high that are underwater. Software shows each lot's unrealized gain or loss.
2. Sell the underwater lots. A swap to a stablecoin or another coin counts as a sale. You do not have to cash out to dollars.
3. Decide whether to rebuy. Under current law you can rebuy immediately. If you want to be defensive against a rule change, wait 31 days or move into a different asset with similar exposure.
4. Net the loss against gains. Short-term losses offset short-term gains first, long-term against long-term, then they cross over. Whatever is left offsets up to $3,000 of wages or other income.
5. Carry the rest forward. Losses beyond that carry into next year and keep going until they are used up.

Timing: why December is not the only window

Most people think about harvesting in the last week of the year, when everyone else is doing it too. Crypto drawdowns do not wait for December. A big dip in March is a harvesting opportunity in March. The loss counts for the tax year it is realized in, whenever that is. Keep an eye on unrealized losses year-round and act when they are large, not when the calendar says so.

What counts as a loss

• Selling a coin for less than you paid, including trading fees.
• Swapping one coin for another when the coin you gave up was worth less than your basis.
• Spending crypto on goods or services at a value below your basis.

What does not count

• A coin that dropped in value but you still hold. Unrealized losses do nothing on your return.
• Lost keys or a rug pull, in most cases. Theft and abandonment losses have their own strict rules and are usually not deductible for individuals under current law. Talk to a professional before claiming one.
• Transferring between your own wallets. Not a sale, no gain, no loss.

Mistakes that cost people money

• Not reporting losses at all. People who lost money assume there is nothing to file. Unreported losses are a deduction you left with the IRS, and the 1099-DA the exchange sent still needs to be reconciled.
• Harvesting without basis records. A loss is only as real as the basis you can prove. See the missing cost basis guide.
• Forgetting that a swap is a sale. Moving from one altcoin to another to "harvest" also realizes any gain on the coin you sold.
• Ignoring state tax. Some states follow federal treatment of capital losses, some limit it. Check yours.

Tools that show harvestable losses

All four platforms we compare track unrealized gains and losses per lot across every connected exchange and wallet, which is what makes harvesting practical instead of a spreadsheet nightmare. Connect your accounts, sort by unrealized loss, and you have your list.

Frequently asked

Can I sell crypto at a loss and buy it back the same day?

Under current federal law, yes. The wash sale rule applies to securities and crypto is treated as property. Legislation to change this has been introduced but not passed as of September 2026. Verify the current status before you rely on it.

How much loss can I deduct each year?

Losses first offset capital gains without limit. After that, up to $3,000 of net loss offsets ordinary income each year. The remainder carries forward indefinitely.

Does swapping to a stablecoin count as selling?

Yes. Any swap is a disposal of the coin you gave up, and it realizes the gain or loss on that coin.

Is a rug pull or hacked wallet a deductible loss?

Usually not for individuals under current rules, which sharply limit theft and casualty deductions. Some situations qualify. Get professional advice before claiming one.

This guide is general information, not tax advice. Rules change and your facts matter. Talk to a qualified tax professional about your return. Some links on this page are referral links that may earn us a commission at no extra cost to you.