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LH vs SPY: Correlation

Measured on weekly returns over the past three years, Labcorp (LH) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.22, a weak link.

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

Correlation (3Y)
0.22
weak
Correlation (1Y)
-0.01
last 12 months
Correlation (5Y)
0.40
long-run
Ann. covariance
69.3
%² · weekly, annualized

How correlated are LH and SPY?

On 3 years of weekly data the LH/SPY correlation comes out at 0.22, weak. The past 12 months show a weaker link (-0.01) than the 3-year average (0.22). The 5-year figure is 0.40, and annualized covariance runs at 69.3 %².

Within LH's tracked universe of 34 assets, SPY comes in at #23 by 3-year correlation. Their 12-month results are close: +21.8% for LH against +20.6% for SPY. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.02 to 0.64.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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.

LH vs SPY: side by side

LH (Labcorp)SPY (SPDR S&P 500 ETF Trust)
1-year return+21.8%+20.6%
5-year return+36.0%+82.4%
Volatility (ann.)21.4%14.5%
Beta vs S&P 5000.331.00
Max drawdown (3Y)-17.4%-18.8%
Market cap$27.3B
P/E (trailing)27.8
Dividend yield0.86%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryHealth CareETF · US Large Cap
Higher yield: SPY 1.01% vs 0.86%Smaller drawdown: LH -17.4% vs -18.8%Higher 5y return: SPY +82.4% vs +36.0%

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.

-10%0%+22%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. LH · SPY

Year-by-year returns

YearLHSPY
2022-24.4%-18.2%
2023+13.8%+26.2%
2024+2.2%+24.9%
2025+10.6%+17.7%
2026+34.8%+13.7%

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

Are LH and SPY good diversifiers for each other?

Reasonably. At 0.22, LH and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between LH and SPY?

Using weekly returns as of 2026-08-27: 0.22 over 3 years, with -0.01 over the last year and 0.40 over 5 years.

Is SPY a good diversifier for LH?

Reasonably. At 0.22, LH and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.22 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.

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LH vs SPY: 3-year weekly correlation 0.22LH vs SPY0.22

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Hubs: LH correlations · SPY correlations