Realized vs Unrealized Gains in Crypto (and Why the Difference Matters)

Open almost any exchange app and you will see a green or red number next to your holdings. That figure is an unrealized gain or loss — a paper result based on today's price. It only becomes realized when you sell or otherwise dispose of the coins. The distinction affects how you think about performance and, crucially, when you owe tax.

Definitions

• Unrealized gain (or loss): the difference between the current market value of coins you still hold and what you paid for them.
• Realized gain (or loss): the difference between what you received when you disposed of coins and what you paid for them.

Unrealized P&L = (Current price − Average cost) × Coins held

Realized P&L = Net sale proceeds − Cost basis of coins sold

Example

You buy 2 ETH for a total of $6,000 (average cost $3,000). The price rises to $4,000.

• Unrealized gain: (4,000 − 3,000) × 2 = $2,000

You sell 1 ETH at $4,000 with no fees.

• Realized gain: $4,000 − $3,000 = $1,000
• Remaining unrealized gain on the other ETH: $1,000

If the price then falls to $2,500, your realized $1,000 is locked in, but the remaining coin now shows an unrealized loss of $500.

Why unrealized gains are fragile

Crypto prices can move 20–30% in a week. A large unrealized gain can disappear completely before you act. Treat unrealized gains as information, not money in the bank. Many investors use a plan — such as selling a fixed percentage at pre-set price targets — to turn some paper gains into realized ones.

Tax: realization is usually the trigger

In the United States, United Kingdom and Canada, capital gains tax generally applies when you dispose of crypto. Disposal includes:

• Selling for fiat currency
• Swapping one coin for another
• Spending crypto on goods or services
• Gifting in some cases (rules differ by country)

Simply holding coins that have risen in value is usually not taxable, no matter how large the unrealized gain. Income events — staking rewards, mining rewards or being paid in crypto — are different: those are typically taxed when received. See are staking rewards taxable.

Using unrealized losses: tax-loss harvesting

Because tax applies to realized results, an unrealized loss can be turned into a realized loss to offset gains elsewhere. This is called tax-loss harvesting. Each country has rules to prevent abuse — the UK's 30-day "bed and breakfast" rule and Canada's superficial loss rule, for example. Read crypto tax-loss harvesting before trying it.

Measuring performance honestly

To judge how you are really doing, look at total P&L:

Total P&L = Realized P&L + Unrealized P&L − Fees − Taxes paid

Exchange dashboards often show only unrealized P&L for current holdings, which hides losses you have already taken on coins you sold. Keep your own record across all platforms.

Common mistakes

1. Spending unrealized gains. Borrowing or making big purchases based on paper profits is risky when prices are volatile.
2. Forgetting swaps are realizations. Trading ETH for another token realizes your ETH gain even though no cash was involved.
3. Using the wrong cost basis. The realized gain depends on which coins you are treated as selling. See cost basis methods.

Calculate both

Enter your average cost and today's price in the crypto profit calculator to see your unrealized position after fees. When you sell, use the crypto tax calculator to estimate the tax on the realized gain.

CryptoMathly provides educational estimates only and is not financial, investment or tax advice. Crypto assets are volatile and you can lose money. Always verify figures with a qualified professional.