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Tax-Aware Profit-Taking: A General Guide for US Crypto Holders

By moonbag.info team · · Intermediate

Taking profits feels great until the tax bill arrives. A little planning before you sell can make a meaningful difference to what you keep. This guide gives a general, US-centric overview of how crypto is taxed when you take profits and some common planning ideas.

This is general education, not tax advice. Tax law is complex, changes over time and depends on your circumstances. Consult a qualified tax professional before acting.

How the IRS generally treats crypto

The IRS treats digital assets as property, not currency. That means the same general rules as selling stocks or other property apply: when you dispose of crypto, you may have a capital gain or loss.

Your federal income tax return also asks whether you received, sold, exchanged or otherwise disposed of digital assets during the year, so answer it carefully.

What counts as a taxable event

Generally taxable (taxable events):

  • Selling crypto for dollars.
  • Swapping one token for another, including into a stablecoin.
  • Spending crypto on goods or services.

Generally not taxable by themselves:

  • Buying crypto with dollars.
  • Moving crypto between wallets you own.
  • Holding.

Income events like staking rewards, mining and airdrops are generally taxed as ordinary income when you receive them, and the value then becomes your cost basis.

How gains are calculated

Gain or loss = sale proceeds − cost basis (including fees).

Example. You buy 100 units of “Token A” for $1,000, plus a $10 fee. Your cost basis is $1,010. You later sell all 100 units for $3,000 and pay a $15 fee. Proceeds are $2,985. Your gain is $1,975.

Short-term vs. long-term

  • Short-term: held one year or less. Generally taxed at your ordinary income tax rates.
  • Long-term: held more than one year. Generally taxed at lower long-term capital gains rates (0%, 15% or 20% federally, depending on income), plus a possible 3.8% net investment income tax for higher earners.

State taxes may also apply.

The difference can be large. A gain taxed at a 24% ordinary rate versus a 15% long-term rate is a 9-point difference on every dollar of gain.

Which units did you sell? (Lot selection)

If you bought at different times and prices, the units you sell determine your gain.

  • FIFO (first in, first out) is the default if you don’t specifically identify units.
  • Specific identification lets you choose which lots you sell, if you keep adequate records and identify them at the time of sale. Starting in 2025, the IRS requires this to be done on a wallet-by-wallet or account-by-account basis, and brokers have their own procedures for it.

Choosing high-cost lots can reduce the gain on a sale; choosing older lots may qualify the gain as long-term. A tax professional can help you decide.

Broker reporting: Form 1099-DA

US crypto brokers are being phased into reporting on a new Form 1099-DA. Gross proceeds from sales in 2025 are reported starting in early 2026, with cost basis reporting for certain assets acquired from 2026 onward. You are still responsible for accurate reporting, especially for transfers between platforms and self-custody, where a broker may not know your basis. See How to Track Your Cost Basis.

Planning ideas to discuss with a professional

  1. Mind the one-year mark. If a ladder rung triggers a few weeks before a lot turns long-term, it may be worth discussing whether to wait. Weigh this against the risk that the price falls in the meantime.
  2. Spread sales across tax years. Selling some in December and some in January can split gains across two years.
  3. Harvest losses. Selling positions at a loss can offset gains. Net capital losses can offset up to $3,000 of ordinary income per year, with the rest carried forward. The wash-sale rule currently applies to stocks and securities; whether and how it applies to crypto has been the subject of proposed legislation, so check the current rules.
  4. Set aside tax as you sell. Moving an estimated percentage of each sale to savings avoids a surprise bill.
  5. Consider estimated payments. Large gains may mean you need to make quarterly estimated tax payments to avoid penalties.
  6. Watch income thresholds. Large gains can push you into higher brackets or affect other income-based items.
  7. Charitable giving. Donating long-held appreciated crypto to a qualified charity can have tax benefits, with appraisal requirements for larger amounts.

Step-by-step before you sell

  1. List the lots you hold: date, units, cost.
  2. Identify which lots a sale would use under your method.
  3. Estimate the gain and whether it’s short- or long-term.
  4. Estimate the tax and set it aside.
  5. Record the sale details: date, units, proceeds, fees.
  6. Review with a tax professional, especially for large amounts.

Common mistakes

  • Thinking swaps aren’t taxable. Token-to-token swaps generally are.
  • Losing records after moving between exchanges and wallets.
  • Ignoring fees, which affect basis and proceeds.
  • Not setting aside tax money.
  • Missing the one-year mark by days.
  • Assuming the exchange form is complete. Transfers in from elsewhere often show missing basis.

Key takeaways

  • In the US, crypto is generally taxed as property; selling, swapping and spending can trigger gains.
  • Holding more than a year usually means lower rates.
  • Lot selection and timing can change your bill.
  • Keep careful records, set aside tax as you sell, and consult a tax professional.