Strategy Lab

Write simple trading rules and see how they would have done on past prices — including costs, and compared with just holding the stock.

Start from

Buy when the 50-day average crosses above the 200-day; sell on the reverse cross. How this rule works →

StockPeriod

all rules true, at the close

any rule true

Stop-loss

Target

Max hold

Risk / trade

Cost / side

Capital

₹

Risk per trade works with a stop-loss: e.g. 1% risk and an 8% stop buys about 12.5% of capital. Cost covers brokerage, STT and charges per side.

Pick a stock and run the test

Rules are checked at each day's close and traded at the next day's open — no peeking into the future.

Read before you trust a backtest

Results are hypothetical, for learning only, and not investment advice or a recommendation to trade.
Price data ends 30 days before today and isn't adjusted for every corporate action. Real fills, slippage and taxes differ.
Tweaking rules until the curve looks great (overfitting) usually fails on new data. Test the same rules on several stocks and periods.
Past performance doesn't guarantee future returns.

New to these indicators? Learn them in Zero to Trader and Risk & Psychology.