Making the defense continuous bought 27% more payout at the same risk

Tue, 21 Jul 2026 00:00:00 +0000

Turn a defensive switch from on/off into continuously variable. That single change chained through eight studies and ended with the prop account’s steady-state monthly payout rising from 1.92% to 2.43%, a 27% raise. Risk did not increase; crisis-time ruin probability actually fell.

This article records the whole arc (research notes 223, 226 through 230, plus two follow-ups) as one story, including why each decision went the way it did. An EA improvement is never one number; it is a chain of judgments.

Drawdown on FX Backtest Diary

Making the defense continuous bought 27% more payout at the same risk