Small-Cap Stock Ratio Relative to Large Caps Falls to Lowest Level Since November 2025
The ratio of small-cap stocks to large-cap stocks has dropped to its lowest level since November 2025, erasing much of the small-cap gains recorded earlier in the year. Following a 22% rise in the first half of 2026, the Russell 2000 peaked at 3,068.42 on August 14 before declining 10.4%. Meanwhile, the S&P 500 reached a record peak of 7,844.52 in early October and remains up 13.3% year-to-date.
Higher U.S. Treasury yields and sustained borrowing costs have created heavy headwinds for debt-sensitive smaller companies. The divergence highlights key differences in financial structures and market exposure. S&P 500 companies mostly hold fixed-rate corporate bonds with an average maturity of 6.6 years, whereas approximately 30% of Russell 2000 businesses depend on short-term floating-rate bank loans.
Large-cap equities also benefit from international revenue streams, leaving them less exposed to cooling U.S. manufacturing and labor market data. At the same time, slowing momentum in small-cap artificial intelligence stocks and caution surrounding upcoming U.S. consumer price index reports have further restrained small-cap performance.
Key points
- The small-cap to large-cap stock ratio hit its lowest level since November 2025, reversing significant early-2026 small-cap gains.
- The Russell 2000 fell 10.4% from its August peak of 3,068.42, while the S&P 500 reached a record high of 7,844.52 in early October.
- High interest rates burden smaller firms, as roughly 30% of Russell 2000 companies use floating-rate loans compared to fixed debt for large caps.
- Small-cap weakness stems from cooling domestic labor and manufacturing data, alongside fading momentum in small-cap AI stocks.
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Why are small-cap stocks lagging behind large caps in 2026?
Small caps face pressure from rising bond yields and high borrowing costs because roughly 30% of Russell 2000 companies carry short-term floating debt. They are also more vulnerable to slowing U.S. manufacturing and labor market conditions than globally diversified large caps.
How far did the Russell 2000 fall from its 2026 peak?
After gaining 22% in the first half of 2026 and reaching a high of 3,068.42 on August 14, the Russell 2000 dropped 10.4%, driving the small-cap to large-cap ratio down to its lowest level since November 2025.
How do debt structures differ between the S&P 500 and Russell 2000?
S&P 500 companies primarily hold long-term, fixed-rate debt averaging 6.6 years in duration. In contrast, about 30% of Russell 2000 companies rely on short-term floating-rate bank loans, making them more sensitive to interest rate increases.