EUR/USD vs 10Y Treasury Yield
EUR/USD traded at 1.1719 on April 24, 2026 with the US 10-year Treasury yield at 4.306 percent. The German 10-year bund stood at 3.05 percent, its highest level since 2011, after rising sharply on Iran-related inflation concerns.
Also known as: EUR/USD (euro dollar, EURUSD) · 10Y Treasury Yield (10Y yield, 10 year treasury, TNX)
Why This Comparison Matters
EUR/USD traded at 1.1719 on April 24, 2026 with the US 10-year Treasury yield at 4.306 percent. The German 10-year bund stood at 3.05 percent, its highest level since 2011, after rising sharply on Iran-related inflation concerns. The US-bund 10-year spread of approximately 125 basis points has compressed from 170 basis points earlier in 2026 and from a peak above 200 basis points in late 2024, as bunds have repriced higher more aggressively than Treasuries. Over multi-year horizons EUR/USD tracks the US-bund spread tightly, with a sensitivity of roughly 4 to 6 cents per 100 basis points change, but specific cycles like the 2022 energy shock can decouple the relationship for 6 to 12 months.
The US-Bund Spread Framework
The German 10-year bund is the closest European analogue to the US Treasury 10-year benchmark. It is the deepest European sovereign bond market by trading volume, the reserve asset for most European institutional accounts, and the underlying for euro-denominated swap markets. The US-bund 10-year spread captures the relative tightness of US versus euro area monetary conditions, fiscal positions, and growth expectations.
Empirically, EUR/USD moves with the US-bund spread at approximately 4 to 6 cents per 100 basis points over 6 to 12 month horizons. A widening spread (US yields higher relative to bunds) corresponds to euro weakness; a narrowing spread corresponds to euro strength. The relationship is clearer than the simpler EUR/USD-versus-US-10Y relationship because the bund leg captures the euro-side rate dynamics. The April 2026 spread of 125 basis points has compressed roughly 75 basis points from late-2024 levels, supporting the EUR/USD recovery from 1.05 to 1.17 over the same window.
The Bund Yield Trajectory: 2022 to 2026
German bund yields have undergone the largest move in 30 years. From minus 0.18 percent in March 2022, the 10-year bund rose to 2.50 percent by September 2022 (ECB QE end), drifted to 3.0 percent in October 2023, then declined to 1.85 percent at the late 2024 trough as ECB cuts began. Bunds reaccelerated through 2025 to 2026, reaching 3.05 percent in April 2026, the highest since 2011.
The 2026 reaccelerating leg has been driven by Iran war energy inflation concerns and German fiscal expansion (Germany passed a 1 trillion euro infrastructure package in early 2026, financed by long-end bund issuance). Standard term premium models suggest German bunds should be roughly 50 to 100 basis points lower at the current ECB
Conditional Forward Response (Tail Events)
How 10Y Treasury Yield has historically behaved in the 5 sessions following a top-decile or bottom-decile daily move in EUR/USD. Computed from 1,243 aligned daily observations ending .
Following these triggers, 10Y Treasury Yield falls 0.09% on average over the next 5 sessions, versus an unconditional baseline of +0.60%. 125 qualifying events; 10Y Treasury Yield closed positive in 45% of them.
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Frequently Asked Questions
What is the current US-bund 10-year spread?+
The US 10-year Treasury yield was 4.306 percent on April 24, 2026, against the German 10-year bund at 3.05 percent, producing a spread of approximately 125 basis points. The spread has compressed from 170 basis points earlier in 2026 and from a peak above 200 basis points in late 2024. Drivers include the ECB cutting cycle (deposit rate from 4.0 to 2.15 percent), more aggressive bund repricing on Iran-related inflation, and the German fiscal expansion lifting long-end bund supply. The spread is the most reliable single indicator of EUR/USD direction over multi-month horizons.
How sensitive is EUR/USD to the spread?+
Empirically, EUR/USD moves approximately 4 to 6 cents per 100 basis points change in the US-bund 10-year spread over 6 to 12 month horizons. The relationship is non-linear at extremes: at very tight spreads (below 50 basis points) the marginal sensitivity falls; at very wide spreads (above 250 basis points) regional shocks become dominant. The April 2026 EUR/USD at 1.17 against a 125 basis point spread is consistent with the empirical relationship. Compression to 50 basis points would imply EUR/USD around 1.21 to 1.24; widening to 200 basis points would imply 1.10 to 1.13.
Why doesn't EUR/USD just track the US 10-year mechanically?+
Because the US 10-year captures only one side of the rate differential. EUR/USD is driven by the difference between US and euro area rates, not by US rates alone. When US yields rise but bund yields rise at similar pace (which has happened during 2026 Iran war), EUR/USD moves much less than the US-yield-only framework would predict. The bund leg captures ECB policy expectations, German fiscal dynamics, and euro area growth conditions. Using US-bund spread as the framework variable rather than US 10Y alone improves explanatory power dramatically: from roughly 0.40 R-squared to 0.65 to 0.85 over 12-month rolling windows.
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