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Will EUR/USD trade above 1.25 at any point by December 31, 2026?

activeMonetary DivergenceResolves: December 31, 2026

The Condition

Fed cuts rates by at least 50bp total by September 2026 FOMC (to ≤3.25%)

External probability: 42.0%Source: CME FedWatch / PolymarketResolves: September 17, 2026

Our Ensemble Estimates

If condition is true
40%
Model agreement: 72%

Given Fed cuts ≥50bp by Sep: Will EUR/USD trade above 1.25 at any point by December 31, 2026?

If condition is false
10%
Model agreement: 89%

Given Fed disappoints on cuts: Will EUR/USD trade above 1.25 at any point by December 31, 2026?

Causal Effect

+30pp(positive)

Fed rate cuts worth ~30pp to EUR/USD reaching 1.25 threshold — the single largest causal effect in the set, driven by rate differential compression and carry trade reversal

Unconditional probability:22.6%(blended: P(Y|T) × 42.0% + P(Y|F) × 58.0%)

Why This Matters

Tests whether further Fed rate cuts (narrowing the 164bp Fed-ECB differential) push EUR/USD beyond the 1.25 level. The analysis identifies the currency channel as the sole functional transmission mechanism for Fed-ECB divergence, with EUR/USD already up 12.7% YoY to 1.19. Fed delivery of ≥50bp would compress the rate differential to ~114bp or less, reinforcing the EUR appreciation trend. Fund managers are at their lowest USD exposure since 2006, amplifying directional momentum. However, the self-limiting feedback loop (EUR strength suppresses eurozone inflation, potentially forcing ECB cuts) may cap the appreciation.

Resolution Criteria

ECB reference rate for EUR/USD (published daily) shows a fixing at or above 1.2500 on any business day between February 22, 2026 and December 31, 2026

Source: ECB EUR/USD reference rate (https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/eurofxref-graph-usd.en.html)Date: December 31, 2026

Source Analysis

EUR/USD sustaining above 1.20 would force ECB inflation forecast downgrades, increasing probability of ECB defensive cut

Monetary DivergenceTRANSMISSION_CHANNELPriority: HIGH