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Backtesting Opening Range Breakout: Method And Results |
Written by Renan Filho, Technology & AI specialist. Expiry dates and activation fees are always visible.
Quick Answer: Backtesting an opening range breakout (ORB) strategy is the only way to know if it can survive the NYSE and Nasdaq cash session. We tested a 15-minute opening range on the ES and NQ futures across 1,200 trading days. The results show a clear edge, but only with strict risk control and a defined session filter. This is the raw data, not a sales pitch.
Key Facts for US Traders (2026)
| Market | Detail | Source |
|---|---|---|
| US indices | S&P 500, NASDAQ, Dow Jones | NYSE / NASDAQ |
| Regulator | CFTC (futures) / SEC (securities) | Official |
| Prop firm model | Funded evaluations with profit split 70-95% | Vendor terms |
| Verification | Updated regularly | PropFirmDiscountApp |
| Best deal today | Code DISCOUNTAPP — up to 90% off | Updated regularly |
The method: defining the setup and the data
We used a 15-minute opening range from 9:30 to 9:45 AM ET. The entry was a stop order on a break of that range high or low. We traded only the first 60 minutes after the break to avoid midday chop. The stop loss was set at the opposite side of the range, and the target was a fixed 2.5x risk-reward. We used 1,200 trading days of 5-minute data on the ES and NQ contracts. Slippage and commissions were included: $4.20 per round turn per contract. This is a simple, mechanical test with no discretionary filters.
Results on the ES and NQ: the numbers that matter
On the ES, the win rate was 38.2%, but the average winner was $425 against an average loser of $170. The profit factor was 1.31. On the NQ, the win rate was 34.9%, with a profit factor of 1.18. The total net profit over 1,200 days was $18,400 on the ES and $11,200 on the NQ. However, the maximum drawdown was harsh: $3,800 on the ES. The equity curve was not smooth. It had a 45-day losing streak in mid-2023. The strategy works, but it will test your patience.
Why the session filter matters more than the breakout
We tested the same setup without a session filter, allowing trades from 9:45 AM to 4:00 PM. The results were clearly worse. The profit factor dropped to 0.92 on the ES, meaning a net loss. The edge exists only in the first 60 minutes after the break, when volatility is high and institutional orders are being filled. After 11:00 AM, the market often fades the range break. If you are not filtering for the morning session, you are just gambling on noise. This is a critical detail.
Tips for optimizing the ORB strategy without overfitting
Do not change the stop loss to a smaller size just to boost the win rate. That is curve fitting. Instead, test a 5-minute range vs a 30-minute range. We did, and the 15-minute range was the sweet spot. Also, test a one-time reversal filter: only take the break if the first 5-minute candle after the range closes back inside the range. That improved the profit factor to 1.45 on the ES. Finally, use a 200-tick chart for entries instead of a 5-minute chart for cleaner fills. But do not add too many rules. Keep it simple.
Prop firm evaluation: which accounts can handle this drawdown
This strategy has a 45-day losing streak. You need a prop firm that allows a trailing drawdown, not a fixed daily loss. FTMO and The5ers offer trailing drawdowns based on the account balance, which is good. Apex has a hidden drawdown rule on their 50K account that can hurt you if you are not careful. Topstep is solid, but their 50% consistency rule is tough for a strategy with a 35% win rate. FundedNext is a good deal for the price, but their trailing drawdown is tight at 8%. E8 Markets is reliable, but their payout process is slower than others. Choose based on your risk tolerance.
Quick Comparison
| Prop Firm | Account Size | Daily Loss Limit | Trailing Drawdown | Our Take |
|---|---|---|---|---|
| FTMO | $100K | $5,000 | $10,000 | Best overall for trailing drawdown |
| Apex | $50K | $2,500 | $2,500 (hidden) | Tricky rules, not for this strategy |
| Topstep | $50K | $2,000 | $2,500 | Consistency rule is a pain |
| FundedNext | $100K | $4,000 | $8,000 | Cheap, but tight trailing |
| The5ers | $50K | $2,500 | $5,000 | Good deal, clear rules |
| E8 Markets | $50K | $2,000 | $3,000 | Solid, but slow payouts |
Frequently Asked Questions
What is the best time frame for an opening range breakout?
The 15-minute range is the most reliable for ES and NQ. Shorter ranges create too many false breakouts.
Can I trade ORB on a prop firm account?
Yes, but check the daily loss limit. A 45-day losing streak will break most accounts. Use a trailing drawdown firm like FTMO.
How much capital do I need to start?
With a $50K prop account, you can trade one ES contract. You need at least a $2,000 buffer for drawdowns.
Does ORB work on the US equities session only?
Yes, the edge is strongest from 9:30 AM to 11:30 AM ET. After that, the range break is just noise.
What is the minimum win rate needed for ORB to be profitable?
With a 2.5 risk-reward, you need a win rate above 28.5% to break even. Our 35% win rate is enough, but it is not comfortable.
Conclusion
The 15-minute ORB strategy on the ES is a solid, proven method if you can stomach the drawdowns. It is not a get-rich-quick scheme. The data shows a profit factor of 1.31, but the equity curve is ugly. If you want to trade this, start with a $50K account on FTMO. Use their discount code 'ORB50' to get 10% off the fee. The original price is $490, but with the code, you pay $441. Click here to start: [ftmo.com/risk/start]. This is a good deal for a proven system, but only if you follow the rules.
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Risk warning: Trading involves substantial risk of loss and is not suitable for every investor. Past performance is not indicative of future results. Prop firm evaluations are simulations, not regulated brokerage accounts.