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BUSTED BY COSTS

BANKNIFTY 15-minute opening range breakout backtest: does it work after costs?

We coded the banknifty 15-minute opening range breakout strategy exactly as taught in a public video and ran it on BANKNIFTY futures, 2017-01 to 2026-10, with real charges. Our test: −₹22.93 L after real costs. As taught, 1 lot lost about ₹22.9 L after real costs over ~10 years, and lost money every single year.

Net after costs
−₹22.93 L
Win rate
—
Worst drawdown
−₹23.26 L
Reality Score
8/100

The rules, as taught

Range = high/low of 09:15–09:30. Break above → long, break below → short. Stop at the other side of the range, no target, exit 15:20, one trade a day.

What the video claims, and what we found

Claim: Large gains on fixed quantity before slippage (the video itself notes it turns negative with slippage).

Before costs we get +₹2.7 L with a similar 42–43% win rate. Costs average ≈₹1,080 a trade against a ≈₹113 gross edge.

See the full results, charts and every trade

Questions people ask

Does the BANKNIFTY 15-minute opening range breakout strategy work?

Not as taught, once real charges are included. As taught, 1 lot lost about ₹22.9 L after real costs over ~10 years, and lost money every single year. Tested on BANKNIFTY futures, 2017-01 to 2026-10, after real costs. Reality Score 8/100.

What is the win rate of the BANKNIFTY 15-minute opening range breakout strategy after costs?

We did not count a per-trade win rate for this one; the net result after real charges was −₹22.93 L with a worst drawdown of −₹23.26 L.

How much did it make or lose in the backtest?

Our test: −₹22.93 L after real costs. Over 2017-01 to 2026-10 (1 lot, historical lot sizes), the net after charges was −₹22.93 L and the worst fall from a peak was −₹23.26 L.

What exact rules were tested?

Range = high/low of 09:15–09:30. Break above → long, break below → short. Stop at the other side of the range, no target, exit 15:20, one trade a day.

How was the BANKNIFTY 15-minute opening range breakout backtest done?

On 1-minute exchange data since 2017, signals filled at the next minute's open, with real broker charges, STT, exchange fees, SEBI fee, stamp duty and GST, and the lot size of each date. Rules exactly as taught; gaps we had to fill are stated. Full method on our How we test page.

Run it yourself — coming soon

These rules use features our public backtester can't express exactly yet, so we won't pre-fill an approximation. Build your own idea in the meantime.

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