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Does Altcoin Season Filter help Stoch-RSI / SMA?

Crypto · 284 backtest runs · As of 19 Oct 2026 · Methodology

Hurts✗ below the multiple-testing threshold

This filter reduces median CAGR, with the entire 90% interval below −1 percentage point — either more false signals or too many blocked trades.

CAGR Comparison

Baseline CAGR
-9.2%
no filter
Filtered CAGR
-6.8%
Altcoin Season Filter
Δ CAGR
-10.25%
Sample
284
runs
Baseline Net CAGR
-12.6%
after fee + slippage
Filtered Net CAGR
-8.1%
after fee + slippage

Risk-Adjusted Performance

Baseline Sharpe
-0.127
median
Filtered Sharpe
-0.195
Δ Sharpe
-0.17
Threshold SR̂₀
0.161
Sharpe does not clear it

How does this filter work?

BUY signals only during altcoin season — pooled across both modes (aggressive + conservative)

Multiple-testing threshold

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Testing several filters on the same data raises the chance that one looks good by luck. SR̂₀ = 0.161 is the Sharpe the best of 10 trials (no filter + every filter of this strategy) would reach by chance alone — computed from the spread of these trials' Sharpe values (extreme-value formula per Bailey & López de Prado 2014).

The filter passes when its Sharpe (-0.195) lies above SR̂₀. This is a threshold test, not a probability: a true Deflated Sharpe would need each run's period count, skew and kurtosis. All Sharpe values are annualized over 365 calendar days.

Full analysis in Edge Library

Per-asset breakdown, trade-level data, Sharpe comparison — available after sign-in.

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