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Double Sevens buys when price is above its 200 day SMA and the bar trades down to the lowest close of the last 7 bars. It sells once the high reaches the highest close of the last 7 bars. It trades long only and relies on short dips inside a longer uptrend.
Best run of 9. Nasdaq 100, Daily, spread 3, from run pf:2026-09-24-NAS100-D.tsv:2.
| Period | Up to 2026-09-24 |
| Instrument | Nasdaq 100, Daily |
| Spread | 3 points |
| Contracts | 1 |
| 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 | 2026-09-24 |
| positionSize Contracts per trade | 1 |
| entryLookback Buy at a new low of the last closes over this many bars | 7 |
| exitLookback Sell at a new high of the last closes over this many bars | 7 |
| trendPeriod Long only above this moving average | 200 |
Every run
| Market | Timeframe | PF | Trades | Win % | Net | Max DD |
|---|---|---|---|---|---|---|
| Nasdaq 100Best run | Daily | 1.58 | 743 | 63.12 | 14,160 EUR | -2,786 |
| S&P 500 | Daily | 1.47 | 1,013 | 55.38 | 3,181 EUR | -621 |
| EUR/USD | 3 min | 1.23 | 9,290 | 42.72 | 74,877 USD | -155,691 |
| Nikkei 225 | Daily | n/a | 545 | 64.95 | 19,972 USD | -16,931 |
| Dow Jones | Daily | n/a | 986 | 62.58 | 16,708 EUR | -5,776 |
| DAX 40 | Daily | n/a | 804 | 67.16 | 10,190 EUR | -3,925 |
| Dow Jones | 4 hours | n/a | 736 | 59.65 | 5,449 EUR | -4,529 |
| FTSE 100 | Daily | n/a | 704 | 64.35 | 3,570 EUR | -2,821 |
| Gold | Daily | n/a | 686 | 61.22 | 1,054 EUR | -797 |
Charts
Above 1.0 made money, below 1.0 lost money.
The code
// ============================================================ // Double Sevens // ProRealAlgos Strategy Library | prorealalgos.com // Type: Mean reversion // Direction: Long only // Timeframe tested: Daily // ============================================================ // --- Settings --- DEFPARAM CumulateOrders = false // --- Parameters --- positionSize = 1 // contracts per trade entryLookback = 7 // buy at a new low of the last closes over this many bars exitLookback = 7 // sell at a new high of the last closes over this many bars trendPeriod = 200 // long only above this moving average // --- Indicators --- trendMA = Average[trendPeriod](close) lowestClose = Lowest[entryLookback](close) highestClose = Highest[exitLookback](close)
14 more lines: the entry and exit rules.
Setup
Questions
Yes. It is a simple long only ProOrder system with one entry and one exit rule. The rewrite has not been compile checked, so backtest it before going live.
DAX 40, Dow Jones, EUR/USD, FTSE 100, Gold, Nikkei 225, S&P 500 and Nasdaq 100. All listed runs were profitable, with Nasdaq 100 Daily the best at EUR 14,159.6 over 743 trades.
The best run on Nasdaq 100 Daily had a max drawdown of EUR 2,786 with a 63.12% win rate. Without a stop, a single trade can go deeper than past results show.
The 200 day SMA trend filter and the 7 bar lookbacks are meant for daily swings. The one intraday test (EUR/USD 3 minutes) had a far worse drawdown to profit ratio.
Related
Copy trading on US indices is available to ProRealAlgos members as spots open.
