Stratify

Backtesting for Indian index options, on real 1-minute NIFTY data, for you or for your AI agent.
Free tier: one year of NIFTY options, 1-minute resolution, 100 backtests an hour. No card, no approval step.

What you get

DataNIFTY options, 1-minute, 246 trading days, 58 expiries. Results only — no market data is ever returned
Structuresshort strangle, iron condor, iron fly, credit spread, long option
Signals4 entry gates x 11 directional biases
Every resultcarries an honesty panel: out-of-sample split, walk-forward folds, bootstrap interval, and a Sharpe deflated for how many variants you have tried
Educational backtesting. Not investment advice.