Stock Profit Calculator
Work out the profit or loss on any stock trade: enter a buy price, a sell price and how many shares, and get your return in dollars and percent. Free, instant, and it runs entirely in your browser.
Profit calculator
How to calculate stock profit
Enter your buy price
What you paid per share, or switch to “Amount” to enter the total dollars you invested instead of a share count.
Enter your sell price
The price you sold at, or a price you are considering. The calculator updates instantly as you type.
Read your result
Profit or loss in dollars, your return in percent, total invested and value at sell. Add buy/sell fees for the net figure.
The formula
profit = (sell price × shares − sell fees) − (buy price × shares + buy fees)
return % = profit ÷ total cost × 100
Example: buy 10 shares at $100 ($1,000 invested) and sell at $112.50 ($1,125). With no fees that is a $125 profit, a 12.5% return. A 1% fee on each side would cost about $21.25 and cut the return to roughly 10.3%: fees matter more than most people expect.
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Stock profit questions, answered
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Run it with simulated money first. Paper trading lets you practice on real market prices without risking a dollar, and on GameStock you can compete against other players for real prizes while you learn.
What is paper trading?Practice before you trade
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GameStock is a free-to-play trading game and paper-trading platform. Trades use simulated money; entry fees and prizes, where applicable, are real. Nothing here is investment advice, a recommendation, or a price forecast. The calculator is a generic math tool: it does not use live market data and its results are not investment advice.
Past game results do not predict real market outcomes. Figures reflect aggregated in-app activity.