The strategy sells short when RSI(14) crosses above 51 with price below the 200-bar SMA. It covers the short when RSI reaches 54, falls to 32, or the close rises above the lowest close since the fill.
Best run of 2. S&P 500, Daily, spread 1, from run sweeps:2026-10-10-USA500-D-opt.tsv:36.
| Period | Up to 2026-10-10 |
| Instrument | S&P 500, Daily |
| Spread | 1 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 |
|---|---|---|---|---|---|---|
| S&P 500Best run | Daily | n/a | 175 | 32.57 | 739 EUR | -291 |
| Nasdaq 100 | Daily | n/a | 116 | 25.86 | 2,971 EUR | -1,590 |
Charts
The code
// ============================================================== // Short RSI Crossover Trend // ProRealAlgos Strategy Library | prorealalgos.com // Type: Momentum // Direction: Short only // Timeframe tested: Daily // ============================================================== DEFPARAM CumulateOrders = false ONCE tsok = 0 ONCE ts = 0 ONCE llok = 0 ONCE ll = 0 sma = Average[200](close) myRsi = RSI[14](close)
24 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 2 market and timeframe combinations. The best run by trade count was S&P 500, Daily, with 175 trades.
The best run had a maximum drawdown of 291 EUR at the tested position size, against a net result of 739 EUR.
It only takes short trades.
Related
Copy trading on US indices is available to ProRealAlgos members as spots open.