Buys when a bottom signal, measuring how far the low sits below the 22 bar highest close, turns on while the top signal is off. Closes the long when the top signal turns on and the bottom signal is off.
Best run of 18. Nasdaq 100, 4 hours, spread 3, from run pf:2026-10-04-NAS100-4h.tsv:7.
| Period | Up to 2026-10-04 |
| Instrument | Nasdaq 100, 4 hours |
| Spread | 3 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 | 2026-10-04 |
Every run
| Market | Timeframe | PF | Trades | Win % | Net | Max DD |
|---|---|---|---|---|---|---|
| Nasdaq 100Best run | 4 hours | 1.69 | 314 | 64.33 | 15,068 EUR | -3,405 |
| EUR/USD | 15 min | n/a | 2,201 | 54.02 | 32,538 USD | -27,439 |
| Dow Jones | Daily | n/a | 132 | 66.67 | 28,829 EUR | -7,354 |
| Silver | Daily | n/a | 123 | 53.66 | 21,701 USD | -15,042 |
| Nikkei 225 | Daily | n/a | 108 | 62.04 | 21,492 USD | -16,983 |
| Nikkei 225 | 1 hour | n/a | 985 | 58.07 | 16,972 USD | -9,433 |
| Nikkei 225 | 4 hours | n/a | 265 | 56.23 | 13,344 USD | -12,125 |
| Dow Jones | 30 min | n/a | 823 | 59.78 | 13,159 EUR | -6,295 |
| Nasdaq 100 | Daily | n/a | 97 | 67.01 | 12,466 EUR | -4,535 |
| DAX 40 | Daily | n/a | 148 | 65.54 | 10,224 EUR | -4,803 |
| DAX 40 | 4 hours | n/a | 300 | 60.33 | 7,654 EUR | -6,209 |
| Brent Crude | 4 hours | n/a | 182 | 58.24 | 5,475 EUR | -4,847 |
| FTSE 100 | Daily | n/a | 113 | 64.60 | 4,162 EUR | -2,898 |
| FTSE 100 | 1 hour | n/a | 1,200 | 60.75 | 3,850 EUR | -2,160 |
| S&P 500 | Daily | n/a | 131 | 66.41 | 3,455 EUR | -1,162 |
| S&P 500 | 4 hours | n/a | 309 | 60.84 | 2,557 EUR | -1,612 |
| Gold | 4 hours | n/a | 324 | 57.41 | 2,160 EUR | -1,277 |
| Gold | Daily | n/a | 128 | 56.25 | 1,469 EUR | -1,408 |
Charts
Top 10 of 18 runs. The full list is in the table above.
The code
// ============================================================== // Volatility Fix Bottom Signal // ProRealAlgos Strategy Library | prorealalgos.com // Type: Volatility // Direction: Long only // Timeframe tested: 4 hours // ============================================================== DEFPARAM CumulateOrders = false hic = Highest[22](close) loc = Lowest[22](close) wvfb = (hic - low) / hic * 100 wvft = (high - loc) / loc * 100 bandb = Average[20](wvfb) + 2 * STD[20](wvfb) rangeb = Highest[50](wvfb) * 0.85 bandt = Average[20](wvft) + 2 * STD[20](wvft) rangetop = Highest[50](wvft) * 0.85
16 more lines: the entry and exit rules.
Setup
Nasdaq 100 had no history beyond the standard run, so both runs used 28,000 bars.
| Bars available | 28,000 |
| Net, standard 200,000-bar run | 15,068.00 EUR |
| Net, long run | 15,354.50 EUR |
| Net on the older data alone | 286.50 EUR |
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 18 market and timeframe combinations. The best run was Nasdaq 100, 4 hours, with a profit factor of 1.69 over 314 trades.
The best run had a maximum drawdown of 3,404 EUR at the tested position size, against a net result of 15,068 EUR.
It only takes long trades.
Related
Copy trading on US indices is available to ProRealAlgos members as spots open.