What Is PnL in Crypto Trading?

PnL stands for Profit and Loss: the measure of how much money you have made or lost on a trade or investment. In crypto trading, PnL is the fundamental metric for evaluating trading performance and is used across spot trading, perpetual futures, margin trading, and long-term investment portfolios.

Understanding PnL correctly, including all the costs that affect it, is essential for realistic assessment of your trading performance. Many traders track only the directional gain or loss on their trades and overlook trading fees, funding rates, and tax implications, which can significantly alter the true profitability of their activity.

This guide covers how PnL is calculated in different trading contexts, the difference between realised and unrealised PnL, how to track it accurately, and how to use it to improve your trading over time.

Realised vs Unrealised PnL

The most important distinction in PnL accounting is between realised and unrealised PnL.

Unrealised PnL

Unrealised PnL (also called “paper profit” or “paper loss”) is the profit or loss on an open position that you have not yet closed. If you bought Bitcoin at $90,000 and it is now worth $100,000, you have $10,000 in unrealised profit per Bitcoin. This profit does not exist as cash until you sell: the market can reverse and eliminate it before you realise it.

Unrealised PnL is tracked in real time in your exchange account or wallet. Watching unrealised gains and losses too closely can lead to poor decision-making: emotional responses to temporary fluctuations in unrealised PnL are a major source of trading mistakes. Make decisions based on your original thesis and plan, not on the current unrealised number.

Realised PnL

Realised PnL is the profit or loss that has been locked in by closing a position. When you sell, the unrealised gain or loss becomes realised. Only realised PnL represents actual economic change in your wealth. It is also what matters for tax purposes in Australia: the ATO treats crypto disposals as capital gains events when positions are closed.

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Calculating Basic PnL

For a spot trade, PnL calculation is straightforward.

Long position PnL: (Exit Price – Entry Price) x Position Size. If you bought 0.5 BTC at $90,000 and sold at $100,000, your gross PnL is ($100,000 – $90,000) x 0.5 = $5,000 gross profit. After deducting trading fees (for example, 0.1% x $45,000 entry + 0.1% x $50,000 exit = $95 in fees), your net PnL is $4,905.

Short position PnL: (Entry Price – Exit Price) x Position Size. Short positions profit when price falls. If you shorted 1 ETH at $3,000 and covered (bought back) at $2,500, gross PnL is ($3,000 – $2,500) x 1 = $500.

Return percentage: PnL as a percentage of the capital deployed. $5,000 profit on $45,000 deployed capital = 11.1% return. Always evaluate returns as a percentage of capital risked, not just as a dollar figure, to allow meaningful comparison between different trade sizes.

PnL in Perpetual Futures

Perpetual futures PnL is more complex than spot PnL because it includes the funding rate component.

Funding rates are periodic payments between long and short holders in a perpetual futures contract, designed to keep the perpetual price anchored near the spot price. When the perpetual price trades above spot (long bias), longs pay shorts. When it trades below spot (short bias), shorts pay longs. Funding payments occur every 8 hours on most exchanges and can be positive or negative depending on market conditions.

For a leveraged long position held through a period of consistently positive funding rates, the accumulated funding payments represent a real cost that reduces your net PnL. During extended bull markets where perpetual prices trade consistently above spot, long positions can lose a meaningful percentage of their value to funding rates over weeks. Including funding costs in your PnL calculation is essential for accurate performance assessment in perpetuals trading.

Futures PnL formula: (Exit Price – Entry Price) x Position Size – Funding Payments – Trading Fees. If you held a $100,000 long Bitcoin position through two weeks of 0.01% per 8-hour funding rate (three payments per day x 14 days x $100,000 x 0.0001 = $420 in funding payments), your net PnL includes this as a cost.

Fees and Their Impact on PnL

Trading fees are a systematic drag on PnL that compounds significantly for active traders. Underestimating their impact is one of the most common errors in trading performance assessment.

Exchange spot trading fees typically range from 0.0% to 0.5% per trade, depending on the exchange and your volume tier. At 0.1% maker fee and 0.1% taker fee, a round trip (buy and sell) costs 0.2% of the trade value. On a 100-trade month with $10,000 average trade size, this is $200 in fees: a 2% cost against a $10,000 deployed capital base that must be overcome before any profit is realised.

The hidden costs of crypto trading guide covers all the fee structures across major exchanges in detail. For active traders, optimising fee tiers through volume-based discounts, using limit orders (which often pay maker fees lower than taker fees), and choosing exchanges with competitive fee structures can meaningfully improve net PnL over time.

Tracking PnL Across Multiple Platforms

For investors using multiple exchanges and wallets, manual PnL tracking quickly becomes impractical. Several tools automate cross-platform tracking.

CoinTracker and Koinly are the most widely used crypto portfolio tracking and tax reporting tools in Australia. They connect to exchange APIs and import transaction history automatically, calculating realised PnL across all platforms. They also generate ATO-compliant tax reports which identify capital gains and losses from crypto disposals. Using one of these tools for tax compliance automatically solves the PnL tracking problem as a byproduct.

For traders focused on performance analysis rather than tax, Delta and CoinStats provide portfolio tracking with performance analytics, showing return percentages by asset, by time period, and against benchmark indices. These are more trading-performance oriented than tax-reporting oriented.

The most important practice, regardless of which tool you use, is to review your PnL periodically (monthly, quarterly) rather than only at tax time. Regular PnL review is how you identify which strategies and assets are actually working, separate performance from luck, and make data-driven adjustments to your approach. The trading psychology around honest performance review is covered in the dedicated resource.

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