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Calculate trade P/L with scenario analysis.
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Profit/Loss Calculator works out the gain or loss on a stock trade from your buy price, sell price, and quantity, reporting both the absolute amount and the percentage return so you can see the result two ways at once.
The formulas are simple but worth being precise about: profit is the price difference times quantity, and percentage return is the price difference over the buy price. Having both matters, absolute profit is the cash, while percentage return measures how hard your capital worked, which is the fair way to compare trades of different sizes.
One thing to remember is that the figure is pre-cost. Brokerage, transaction charges, and taxes on gains reduce your real take-home and vary by broker and country, so subtract them for an accurate net result. The output is an analysis aid, not financial advice.
You can model different exit prices before trading to set realistic targets, or review completed trades for your records. Everything runs in your browser, so your trade details stay private. Pair it with the Stock Average and other ToolsMonk finance calculators for fuller analysis.
| Price | Free, no signup, no paywall, no watermark |
|---|---|
| Works on | Any modern browser: desktop, tablet, and mobile |
| Processing | In your browser, files never leave your device |
| Account required | None |
| Category | Business Tools |
Enter the buy price, sell price, and quantity
See the total profit or loss and the percentage return
Adjust the sell price to model different exit scenarios
Use the figures to plan or review trades
Calculates profit or loss on a stock trade from buy and sell prices and quantity
Shows absolute profit/loss and the percentage return
Optionally factors in quantity for the total position
Instant results as you type
Runs in your browser, your trade details stay on your device
Free, with no signup and no limit on calculations
Working out the profit or loss on a completed or planned stock trade
Checking the percentage return on an investment
Comparing potential outcomes at different sell prices
Reviewing trade performance for your records
Always subtract brokerage and taxes from the result for your real net profit
Judge trades by percentage return, not just rupees/dollars, so you can compare different position sizes fairly
Model a target and a stop-loss sell price in advance to plan the trade, not just review it after
Common questions about this tool, its workflow, and what to expect before you use it.
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Calculate trade P/L with scenario analysis.
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