Stock Profit Calculator

Enter your shares, prices, and commissions. The tool computes net buy/sell price, profit, ROI%, break-even selling price, and the share result — all in real time.

🧾 Number of shares ?

Shares must be ≥ 0.

🛒 Purchase of shares

💵 Buying price ?

Buying price must be ≥ 0.

🧾 Buying commission ?

🧮 Net buying price ?

🏷️ Selling shares

💸 Selling price ?

Selling price must be ≥ 0.

🧾 Selling commission ?

🧾 Net selling price ?

📊 Investment performance

Profit

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Return on investment (ROI)

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Break-even selling price

—

⚡ Quick summary

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📌 Share result

📚 Reference table & sources

Topic	Summary	Source
Profit with commissions	`Profit = [(SP × No) − SC] − [(BP × No) + BC]`	Investopedia — Stock Gains & Losses
ROI	`ROI = Profit / Total Cost`	Investopedia — Return on Investment
Break-even concept	Price where net proceeds = total cost; include fixed and % commissions.	SEC — Fees & Commissions

Links are for background reading; the calculator computes values directly.

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