Strategy graveyard

Our graveyard is longer than our portfolio.

Every idea below was tested with the same pipeline as our live strategies, and failed. We keep the list public because it shows what our filters actually reject.

StrategyMarketFailed atWhy
SuperTrend scalpingIndices, M5 / M15GenerationNine hours of search, zero candidates accepted.
Larry Williams 9.1 and 9.2IndicesOut-of-samplePublished rules, no edge on unseen years.
Machine-generated systemsSilver, H1Re-tests273,000 generated, 22 passed the first filter, 0 survived the re-tests.
Machine-generated systemsS&P 500, H1Full-history testEvery finalist went flat from 2012 to 2019. Profit only after 2019.
Machine-generated systemsDow Jones, H1Full-history testMost finalists stalled from 2013 to 2016.
Day-trading systemsDAX, H1Out-of-sampleAll finalists made money only from 2014 to 2019.
Machine-generated systemsUSD/JPYValidation73 candidates, none passed.
Machine-generated systemsEUR/USD, H1GenerationNine hours, zero candidates accepted.
Bollinger SqueezeGoldMonte CarloCollapsed in the worst simulated histories. Removed from the portfolio.
Opening-range breakout from a popular videoIndicesOut-of-sampleWorked only from 2022 to 2026.
RSI 20/80 with 20-period averageGold, M15Out-of-sampleWorked only from 2022 to 2026.
Elephant BarIndicesOut-of-sampleNo edge after costs.
Gap fillUS indicesBacktestNo edge after costs.
Overnight mean reversionUS indicesBacktestNo edge after costs.
Turn of the monthS&P 500, Dow JonesBacktestNo edge after costs.
Short-side mean reversion (RSI 2, Double Seven)Indices, goldBacktestThe long side works; the short side does not.
Short-term mean reversionOil, silver, USD pairs, AUD/NZDBacktestReversion works in indices, gold and similar-economy crosses, not here.
Moving-average crossoverS&P 500, Dow Jones, oilBacktestNo stable edge.
Asian range breakoutFX, goldBacktestNo edge after costs.
Previous-day high/low sweepFX, goldBacktestNo edge after costs.
Bollinger + ADX reversalFXBacktestNo edge after costs.
Keltner pullbackFXBacktestNo edge after costs.
Stochastic PopIndicesBacktestNo edge after costs.
Index cointegration pairsUS indicesBacktestRelationship not stable enough to trade.
CFTC positioning (COT) filterGold, GBP/JPYPortfolio fitDid not improve the existing strategies.

Tests run between August and October 2026. Market and timeframe listed where relevant.

What the graveyard teaches.

Short-term mean reversion works in stock indices, gold and currency crosses of similar economies. It fails in oil, silver and most USD pairs. A strategy that only works in the last few years is almost always a strategy that only worked in the last few years.

Follow the research.