Lost money after costs, 18.9 points behind buy and hold.
Opening-range breakout (intraday) · 25 most liquid F&O stocks
It returned −25.4% in total over the test, after costs; buying and holding over the same period returned −6.5%, 19.0 points more. It lost money after costs over the period. Its checks still ran and are shown below for reference: with no gain, a passed check doesn't point to an edge.
The rules: On 15-minute candles, from 09:45 to 11:30, enters when a candle closes above the day's high so far (after the first half hour); one trade a day, a 0.6% stop, a 1.2% target, and everything is closed at 15:15.
StratLab ran these rules through its own backtest on every stock in the group, after costs, and through four checks: unseen years, nearby settings, a bad-luck drawdown and enough trades. The page shows the return beside buy and hold and the result of each check. A verdict describes the past, not what comes next, and nothing here is investment advice.