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Bollinger mean reversion

Bets that a tag of the lower band snaps back to the middle. In a crash it catches the falling knife.

Data through 2026-08-10 · 0.06% fee and 0.02% slippage per side · 1h timeframe

Profitable
0/6
Median
-100.0%
Best
-98.1%

What this strategy does

Long entrywhen all of these are true
  • low touches the lower Bollinger band (20, 2σ)
Exit
  1. 1.stop loss at -2%
  2. 2.take profit at +3%

If several conditions hit on the same candle, the one listed first applies.

Results by coin

CoinReturnMax drawdownWin rateTradesProfit factorSharpeRun it yourself
btc-98.1%98.8%39.2%21190.88-1.26Open in the backtester
eth-100.0%100.0%37.2%28640.81-2.25Open in the backtester
sol-100.0%100.0%37.1%30900.73-2.63Open in the backtester
xrp-100.0%100.0%36.5%30320.81-2.57Open in the backtester
doge-100.0%100.0%36.6%32660.83-2.70Open in the backtester
ada-100.0%100.0%35.9%35600.82-3.05Open in the backtester

How to read this honestly

  • 6 of 6 coins drew down more than half the account at the worst point.
  • Only 3 of 47 coin-and-period cells were profitable.
  • 6 of 6 coins carried volatility without being paid for it.
  • The worst losing streak ran 18 trades in a row.

Return by period

Coin7y5y3y2y1y6m3m1m
btc-98.6%-91.6%-66.1%-61.1%-51.4%-21.5%-15.4%-1.1%
eth-100.0%-98.7%-89.5%-80.9%-70.6%-21.9%-16.0%+7.0%
sol-99.9%-95.9%-87.4%-58.7%-34.2%-31.3%+2.3%
xrp-100.0%-99.6%-96.5%-92.0%-64.3%-26.5%-27.4%-10.5%
doge-100.0%-99.9%-98.8%-94.4%-76.2%-28.7%-37.2%-8.2%
ada-100.0%-99.9%-97.7%-89.9%-65.6%-24.8%-26.0%+8.4%

Past performance does not guarantee future results. This table is a record of applying rules to past data, not a recommendation to trade them.