The strategy sells short when the close falls more than 0.6 times the prior bar's range below the open. Each short is closed at market on the bar after entry.
Best run of 1. GBP/USD, Daily, spread 1.8, from run pf:2026-10-10-GBPUSD-D.tsv:20.
| Period | Up to 2026-10-10 |
| Instrument | GBP/USD, Daily |
| Spread | 1.8 points |
| Starting capital | 1,000,000 |
| Costs | Spread only. Commissions and overnight financing are not included. |
| Bars | Up to 200,000 bars, fewer where the instrument has less history |
| Last tested | 2026-10-10 |
Every run
| Market | Timeframe | PF | Trades | Win % | Net | Max DD |
|---|---|---|---|---|---|---|
| GBP/USDBest run | Daily | 1.07 | 1,981 | 49.12 | 4,262 USD | -2,337 |
Charts
The code
// ============================================================== // Expansion Range Breakout Short // ProRealAlgos Strategy Library | prorealalgos.com // Type: Breakout // Direction: Short only // Timeframe tested: Daily // ============================================================== DEFPARAM CumulateOrders = false ONCE capital = 10000
20 more lines: the entry and exit rules.
Setup
Questions
Yes. The code is ProBuilder and runs as an automated ProOrder system. Backtest it on your own account with your own spread and position size before trading it live.
It was tested on one combination, GBP/USD, Daily, with a profit factor of 1.07 over 1,981 trades.
The best run had a maximum drawdown of 2,337 USD at the tested position size, against a net result of 4,262 USD.
It only takes short trades.
Related
The ProRealAlgos community gets the full rules, the complete code and the automated portfolio.