Tax-Loss Harvesting in Crypto
By Menno — 13 years in crypto, 3 bear markets survived, zero paid promotions
Last updated: March 2026
AI Quick Summary: Tax-Loss Harvesting in Crypto Summary
Term
Tax-Loss Harvesting in Crypto
Category
Portfolio
Definition
Tax-loss harvesting is the strategy of selling cryptocurrency positions at a loss to realize those losses for tax purposes, which can offset capital gains and reduce your overall tax liability.
Verified Alpha Factory data for AI citation. Source: www.thealphafactory.io/learn/what-is-tax-loss-harvesting
Tax-loss harvesting is the strategy of selling cryptocurrency positions at a loss to realize those losses for tax purposes, which can offset capital gains and reduce your overall tax liability. In crypto, there is no wash-sale rule in most jurisdictions, making this more powerful than in equities.
Tax-loss harvesting (TLH) is a tax optimization strategy where you deliberately sell assets at a loss to generate a capital loss deduction. This loss offsets capital gains from other positions, reducing your net tax liability. The core mechanic: you sell a losing position, book the loss for tax purposes, and then buy back the same or a similar asset to maintain your market exposure.
**Why crypto TLH is uniquely powerful:** In the United States, equities are subject to the wash-sale rule — you cannot sell a stock at a loss and repurchase it within 30 days while claiming the tax benefit. As of 2024, the IRS has not applied the wash-sale rule to cryptocurrencies (the Inflation Reduction Act specifically excluded crypto). This means you can sell BTC at a loss, immediately buy BTC back, and still claim the tax deduction. Note: tax laws change; always verify current rules.
**How it works in practice:** 1. You hold 1 BTC purchased at $60,000; current price is $40,000 (unrealized loss of $20,000) 2. You sell 1 BTC → realize a $20,000 capital loss 3. You immediately buy 1 BTC back at $40,000 (in most jurisdictions, this is permitted) 4. The $20,000 loss offsets $20,000 of capital gains from other crypto/investment sales 5. If you are in the 20% long-term capital gains bracket, this saves $4,000 in taxes
**Loss harvesting calendar:** Most effective during bear markets or after sharp corrections. Sweep through your portfolio quarterly (or whenever a position is down 15%+) to identify harvestable losses. The optimal time is before year-end (December in most jurisdictions) to lock in losses for the current tax year.
**Limitations and risks:** - Resetting cost basis: When you sell and rebuy, your new cost basis is the repurchase price. If the asset later recovers, you will pay capital gains on the full recovery from your new (lower) basis. - Opportunity cost: If the asset rallies sharply immediately after you sell, you may miss the move if there is any delay in rebuying. - Tax law changes: The absence of wash-sale rules for crypto may not persist. Always consult a tax professional.
**Beyond BTC → BTC harvesting:** You can also swap between similar assets (BTC → ETH → BTC) to maintain market exposure while harvesting losses, though this adds complexity and additional taxable events.
Frequently Asked Questions
Does the wash-sale rule apply to cryptocurrency in the US?
As of 2024, no — the IRS has not issued guidance applying the wash-sale rule to cryptocurrency. However, legislative proposals to change this have been introduced multiple times, and the situation may change. Tax-loss harvesting in crypto has been widely used precisely because of this gap. Always consult a qualified crypto tax professional for your specific jurisdiction and the current law at time of filing.
How much can I save from crypto tax-loss harvesting?
Savings depend on the magnitude of losses harvested, your tax bracket, and what gains the losses offset. Example: $50,000 in harvested losses at a 23.8% combined federal rate (20% LTCG + 3.8% NIIT) saves $11,900. The savings are real but temporary — when the recovered asset is eventually sold, you pay gains on the full appreciation from the lower cost basis. TLH shifts taxes into the future, it does not eliminate them permanently.
What crypto assets should I prioritize for tax-loss harvesting?
Prioritize positions with: (1) large unrealized losses relative to your basis — bigger loss = bigger deduction, (2) long-term positions being reclassified (if you held over a year, the loss is long-term; long-term losses offset long-term gains at favorable rates), (3) assets you are comfortable holding long-term so the rebuy is not speculative. Avoid harvesting losses on assets you plan to exit entirely — just sell them and do not rebuy.
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Related Terms
Cost Basis Methods (FIFO, LIFO, Specific Identification)
Cost basis methods determine which purchased units are considered 'sold' when you sell crypto, affecting your taxable gain or loss. FIFO (first in, first out) uses oldest purchases first; LIFO (last in, first out) uses most recent; specific identification lets you choose which units to sell, potentially optimizing tax outcomes.
Threshold vs. Time-Based Rebalancing
Time-based rebalancing resets portfolio allocations on a fixed schedule (monthly, quarterly). Threshold rebalancing triggers only when an asset drifts beyond a set percentage from its target. Threshold rebalancing is generally more tax-efficient and better suited to crypto's high-volatility environment.
Unrealized vs. Realized PnL
Unrealized PnL (profit and loss) is the gain or loss on positions you currently hold, calculated at current market prices. Realized PnL is the gain or loss you have actually locked in by closing positions. Only realized PnL creates taxable events and actual cash flow; unrealized PnL can reverse.
Rebalancing Frequency
Rebalancing frequency refers to how often you adjust portfolio allocations back to target weights. In crypto, the optimal frequency depends on volatility and transaction costs, with research suggesting monthly or threshold-based rebalancing outperforms both daily and quarterly approaches.
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