PairBook
HomeHCA › HCA vs UHS

HCA vs UHS: Correlation

How closely do HCA Healthcare (HCA) and Universal Health Services (UHS) trade together? Their weekly returns over three years give a correlation of 0.77, which is strong.

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

Correlation (3Y)
0.77
strong
Correlation (1Y)
0.69
last 12 months
Correlation (5Y)
0.76
long-run
Ann. covariance
645.8
%² · weekly, annualized

How correlated are HCA and UHS?

On 3 years of weekly data the HCA/UHS correlation comes out at 0.77, strong. Little has changed lately, as the 1-year reading of 0.69 lands near the 3-year figure. The 5-year figure is 0.76, and annualized covariance runs at 645.8 %².

UHS is one of the assets that tracks HCA most closely: it ranks #1 out of the 32 assets we track against HCA. On 12-month performance HCA holds a 9.2-point edge, +4.2% against -5.0%. The link looks structural: the rolling one-year correlation barely moved, holding between 0.67 and 0.87.

+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.

HCA vs UHS: side by side

HCA (HCA Healthcare)UHS (Universal Health Services)
1-year return+4.2%-5.0%
5-year return+72.5%+13.5%
Volatility (ann.)26.9%31.1%
Beta vs S&P 5000.420.60
Max drawdown (3Y)-33.6%-42.0%
Market cap$90.8B$10.2B
P/E (trailing)14.17.3
Dividend yield0.70%0.45%
Sector / categoryHealth CareHealth Care
Lower P/E: UHS 7.3 vs 14.1Higher yield: HCA 0.70% vs 0.45%Smaller drawdown: HCA -33.6% vs -42.0%Higher 5y return: HCA +72.5% vs +13.5%
-26%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. HCA · UHS

Year-by-year returns

YearHCAUHS
2022-5.6%+9.4%
2023+13.8%+8.8%
2024+11.8%+18.2%
2025+56.7%+22.0%
2026-9.9%-20.7%

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

Are HCA and UHS good diversifiers for each other?

Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between HCA and UHS?

The HCA/UHS correlation stands at 0.77 on a 3-year window (1 year: 0.69, 5 years: 0.76), computed from weekly returns as of 2026-08-27.

Is UHS a good diversifier for HCA?

Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.77 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/hca-vs-uhs.json

HCA vs UHS: 3-year weekly correlation 0.77HCA vs UHS0.77

Markdown for the live badge, attribution link included:

[![HCA vs UHS correlation](https://www.pairbook.io/api/v1/badge/hca-vs-uhs.svg)](https://www.pairbook.io/pair/hca-vs-uhs/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: HCA correlations · UHS correlations