Portfolio lab

Stock return calculator.

Plan exit prices before you trade.

Benchmark to beat: 10% annual return

Use the calculator to plan each exit. Use the tracker to roll every completed sale into one yearly profit score and compare it against this benchmark.

Beat 10%

Profit tracker

Save actual sales here. Everything rolls into one yearly profit score so you can see whether your trading is beating the 10% benchmark.

Transactions
One total profit
Your annual rate
Vs 10% market

Saved trades stay in this browser on this device. Annualized return assumes the same after-tax return could be repeated and compounded throughout the year. The combined annual return is weighted by each stock's cost basis, so bigger positions matter more. This is a planning calculator, not a forecast or financial advice.