PairBook
HomeEHC › EHC vs HCA

EHC vs HCA: Correlation

How closely do Encompass Health Corporation (EHC) and HCA Healthcare (HCA) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.32
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
274.5
%² · weekly, annualized

How correlated are EHC and HCA?

Over the past 3 years, EHC and HCA moved with a correlation of 0.42, which is moderate. The relationship has been stable: the 1-year correlation (0.32) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 274.5 %².

By 3-year correlation, HCA places #9 of the 15 assets tracked against EHC. Over the last 12 months HCA came out ahead by 6.8 percentage points (-2.6% against +4.2%).

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.

EHC vs HCA: side by side

EHC (Encompass Health Corporation)HCA (HCA Healthcare)
1-year return-2.6%+4.2%
5-year return+101.2%+72.5%
Volatility (ann.)24.5%26.9%
Beta vs S&P 5000.610.42
Max drawdown (3Y)-26.1%-33.6%
Market cap$11.8B$90.8B
P/E (trailing)20.214.1
Dividend yield0.63%0.70%
Sector / categoryUS ListedHealth Care
Lower P/E: HCA 14.1 vs 20.2Higher yield: HCA 0.70% vs 0.63%Smaller drawdown: EHC -26.1% vs -33.6%Higher 5y return: EHC +101.2% vs +72.5%
-24%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. EHC · HCA

Year-by-year returns

YearEHCHCA
2022+17.0%-5.6%
2023+12.6%+13.8%
2024+39.2%+11.8%
2025+15.7%+56.7%
2026+13.3%-9.9%

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

Are EHC and HCA good diversifiers for each other?

Reasonably. At 0.42, EHC and HCA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between EHC and HCA?

The EHC/HCA correlation stands at 0.42 on a 3-year window (1 year: 0.32, 5 years: 0.49), computed from weekly returns as of 2026-08-27.

Is HCA a good diversifier for EHC?

Reasonably. At 0.42, EHC and HCA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.42 mean?

A reading of 0.42 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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

EHC vs HCA: 3-year weekly correlation 0.42EHC vs HCA0.42

Markdown for the live badge, attribution link included:

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

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

Related comparisons

Hubs: EHC correlations · HCA correlations