Will trade-weighted dollar fall below 115 by August 31, 2026?

activeGlobal SpilloverResolves: September 15, 2026

The Condition

Fed cuts ≥25bp at May 6, 2026 FOMC meeting

External probability: 15.0%Source: CME FedWatchResolves: May 6, 2026

Our Ensemble Estimates

If condition is true
72%
Model agreement: 85%

Given Fed cuts ≥25bp: Will trade-weighted dollar fall below 115 by August 31, 2026?

If condition is false
58%
Model agreement: 83%

Given Fed holds: Will trade-weighted dollar fall below 115 by August 31, 2026?

Causal Effect

+14pp(higher)

A rate cut compresses the Fed-ECB rate differential and signals employment-first prioritization, both bearish for the dollar and accelerating the existing depreciation trend. Causal delta preserved at 0.14 as both branches rose together.

Unconditional probability:60.1%(blended: P(Y|T) × 15.0% + P(Y|F) × 85.0%)

Why This Matters

Tests whether a rate cut accelerates dollar weakness beyond the existing depreciation trend. April data shows the broad trade-weighted dollar dropped from 120.6 to 118.1 — a 2.1% decline in six weeks, undoing the March 'decelerating' characterization. Only 2.7% further decline needed to breach 115. A cut would widen Fed-ECB rate differential compression (from 114bp to 89bp), reignite depreciation momentum, and signal employment-first prioritization — all bearish for the dollar. US growth outperformance provides partial support but is fading as the SEP growth forecast sits at 2.4% vs. ECB's ~1.5% (narrower than a year ago).

Resolution Criteria

Federal Reserve Broad Trade-Weighted Dollar Index (FRED series DTWEXBGS) falls below 115.0 for any daily closing value through August 31, 2026

Source: Federal Reserve / FRED series DTWEXBGSDate: September 15, 2026

Source Analysis

TWD Broad fell 120.6→118.1 (–2.1% over 6 weeks); 12-month decline now ~6.4%; depreciation NOT decelerating as March analysis indicated — it re-accelerated. Only ~2.7% further decline needed to breach 115.

Global SpilloverDOLLAR_REGIMEPriority: MEDIUM