Stock Profit/Loss Calculator
Calculate your trading P&L including commission, tax, and annualized return.
Frequently Asked Questions
How is stock profit calculated?
Stock profit = (Sell Price × Shares) - (Buy Price × Shares) - Buy Commission - Sell Commission - Tax. Our calculator handles all of this automatically.
What is annualized return?
Annualized return smooths your profit/loss over a 1-year period using the formula: (1 + Return)^(365/Days) - 1. It lets you compare trades of different holding periods.
Should I include commission and tax?
Yes! Commission and tax significantly impact your real returns. Even small fees (0.1%) can eat into profits on short-term trades.