The Test Bench › gate

Does VIX<25 actually work?

MARGINAL

Real but small -- not worth what it costs to run.

The claim

Tells you when to be in the market vs. step aside — Various / folklore

What we did

Tested against Buy & hold SPY, same window, 2012–2026 (fair common window).

The result

Result: 0.052 dSharpe (vs buy-hold)

Sharpe 0.99, maxDD -23%, in-market 89% of days

The numbers

Annualised return11.95%
Sharpe ratio0.99
Worst drawdown-22.86%
Time in market89.05%
Sharpe vs benchmark0.05

Verdict

Barely moves the needle once tested fairly. Famous, not powerful.

What the test did and did not do

Almost nobody publishing a backtest says which of these they did. We list the ones we failed as well as the ones we passed.

Tested 2026-06-23. The same treatment, applied to every other system, is on the test bench.