What Is Profit and Loss and How Do Traders Track P&L?

What Is Profit and Loss (P&L): Definition

Profit and loss, abbreviated P&L, is the net financial result of a trade or set of trades. In corporate accounting, the profit and loss statement (income statement) summarises revenues and costs over a period. In trading, P&L is tracked in real time for every position.

The P&L Formula

For a single trade, the formula is:

P&L = (Exit Price - Entry Price) x Position Size - Costs

For a long position, a higher exit price produces a profit. For a short position, a lower exit price produces a profit. Costs include spreads, commissions, swap fees, and any other charges. A guide to how equity positions are valued and tracked covers how these components are reflected in equity valuations.

Realized vs Unrealized P&L

Unrealized P&L (also called floating P&L) is the profit and loss on positions that are still open. It changes with every price movement. Unrealized P&L does not affect the withdrawable balance until the position is closed.

Realized P&L is the result of closed trades. Once a position is exited, the profit or loss is locked in and added to or subtracted from the account balance. Only realized P&L changes the actual equity.

A Worked Example: From Unrealized to Realized

A trader buys 100 shares at $50. The price rises to $55. The unrealized P&L is ($55 - $50) x 100 = $500. The trader has not sold, so this is floating profit. If the price then drops to $52 and the trader sells, the realized P&L is ($52 - $50) x 100 = $200, minus any costs. The $500 was never locked in because the position was not closed at that level.

Why P&L Can Be Negative Even When Price Rises

This commonly confuses beginners. If the position is short, a rising price creates a loss. If costs (spread, swap, commission) exceed the price gain on a long, the net P&L is still negative. Understanding profit and loss requires accounting for direction and all costs. A guide to practical risk management strategies for traders explains how cost awareness fits into a broader risk framework.

Tracking P&L Across Multiple Positions

When multiple positions are open, total P&L is the sum of each position's individual result. Platforms like Pocket Option display both per-position and aggregate P&L in real time. A review of tracking performance on a demo account shows how demo accounts provide the same P&L tracking as live environments. Keeping a journal of realized P&L by strategy, instrument, and time period is one of the most effective ways to identify what is working. Understanding managing positions during volatile conditions helps when P&L swings sharply during news events.

Conclusion

Profit and loss is the net financial result of trading activity. Unrealized P&L reflects open positions; realized P&L reflects closed ones. Only realized P&L changes the account balance. Accurate tracking and regular review of both figures are fundamental to disciplined trading.

Disclaimer: Trading involves significant risk of capital loss. Past performance does not indicate future results. This article is for educational purposes only and should not be treated as financial advice.