Scenario × Asset Analysis

What Happens to 10Y-2Y Yield Spread When Small Caps Outperform Large Caps?

Small-cap outperformance signals risk-on rotation, Fed pivot, or earnings recovery. What happens when IWM leads SPY?

10Y-2Y Yield Spread

50 bps

as of Apr 14, 2026

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Trigger: Russell 2000 ETF (IWM)

$268.71

Condition: IWM/SPY ratio rises 10%+ over 3 months

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How 10Y-2Y Yield Spread Responds

Yield curve steepening typically drives small-cap outperformance. Bull steepeners (2Y falls faster than 10Y, Fed cutting) are particularly bullish for small caps.

Scenario Background

Small-cap outperformance versus large caps (IWM/SPY ratio rising) signals several potential regimes: Fed easing expectations, economic recovery, earnings-cycle acceleration, or rotation out of concentrated mega-cap leadership. Small caps are more cyclical, more domestic-focused, and more interest-rate sensitive than large caps.

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Historical Context

Small caps (Russell 2000) have had several major outperformance cycles: 2003-2006 (recovery cycle, +75% outperformance), 2009-2011 (post-GFC recovery, +40%), 2016-2017 (Trump rally, +15%), and brief episodes in 2020 (+20% in 6 months post-COVID trough). Major underperformance cycles include 1998-2000 (tech bubble large-cap dominance), 2014-2024 (FAANG era), and 2022-2024 (high rates, strong dollar). Historical pattern: small-cap outperformance typically lasts 2-4 years once initiated, with total...