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HTLD vs SPY: Correlation

How closely do Heartland Express, Inc. (HTLD) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.34
moderate
Correlation (1Y)
0.15
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
174.8
%² · weekly, annualized

How correlated are HTLD and SPY?

On 3 years of weekly data the HTLD/SPY correlation comes out at 0.34, moderate. The link has loosened recently: the 1-year correlation (0.15) runs below the 3-year figure (0.34). The 5-year figure is 0.39, and annualized covariance runs at 174.8 %².

SPY is close to the least connected end of HTLD's tracked universe, ranking #11 of 15. Their recent paths diverged sharply: over the last 12 months HTLD outperformed by 24.9 percentage points (+45.5% for HTLD against +20.6% for SPY). Risk is not evenly split, since HTLD carries 2.4 times the volatility of the other side.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

HTLD vs SPY: side by side

HTLD (Heartland Express, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+45.5%+20.6%
5-year return-24.6%+82.4%
Volatility (ann.)35.1%14.5%
Beta vs S&P 5000.841.00
Max drawdown (3Y)-55.1%-18.8%
Market cap$1.0B
P/E (trailing)
Dividend yield0.64%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.64%Smaller drawdown: SPY -18.8% vs -55.1%Higher 5y return: SPY +82.4% vs -24.6%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-13%0%+88%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HTLD · SPY

Year-by-year returns

YearHTLDSPY
2022-8.3%-18.2%
2023-6.5%+26.2%
2024-20.8%+24.9%
2025-18.8%+17.7%
2026+37.3%+13.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are HTLD and SPY good diversifiers for each other?

A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between HTLD and SPY?

The HTLD/SPY correlation stands at 0.34 on a 3-year window (1 year: 0.15, 5 years: 0.39), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for HTLD?

A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.34 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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HTLD vs SPY: 3-year weekly correlation 0.34HTLD vs SPY0.34

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Hubs: HTLD correlations · SPY correlations