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GRX vs HCA: Correlation

How closely do The Gabelli Healthcare & Wellness Trust (GRX) and HCA Healthcare (HCA) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.

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

Correlation (3Y)
0.38
moderate
Correlation (1Y)
0.35
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
156.6
%² · weekly, annualized

How correlated are GRX and HCA?

Over the past 3 years, GRX and HCA moved with a correlation of 0.38, which is moderate. Little has changed lately, as the 1-year reading of 0.35 lands near the 3-year figure. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 156.6 %².

Out of 26 assets tracked against GRX, HCA lands near the bottom at #22. On 12-month performance GRX holds a 10.1-point edge, +14.3% against +4.2%. One caveat on sizing: HCA is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

GRX vs HCA: side by side

GRX (The Gabelli Healthcare & Wellness Trust)HCA (HCA Healthcare)
1-year return+14.3%+4.2%
5-year return+1.5%+72.5%
Volatility (ann.)15.1%26.9%
Beta vs S&P 5000.460.42
Max drawdown (3Y)-17.9%-33.6%
Market cap$90.8B
P/E (trailing)67.014.1
Dividend yield0.00%0.70%
Sector / categoryUS ListedHealth Care
Lower P/E: HCA 14.1 vs 67.0Higher yield: HCA 0.70% vs 0.00%Smaller drawdown: GRX -17.9% vs -33.6%Higher 5y return: HCA +72.5% vs +1.5%
-11%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GRX · HCA

Year-by-year returns

YearGRXHCA
2022-20.0%-5.6%
2023-3.3%+13.8%
2024+9.6%+11.8%
2025+7.0%+56.7%
2026+8.3%-9.9%

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

Are GRX and HCA good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between GRX and HCA?

As of 2026-08-27, the correlation of weekly returns between GRX and HCA is 0.38 over 3 years, 0.35 over 1 year and 0.52 over 5 years.

Is HCA a good diversifier for GRX?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.38 mean?

On the −1 to +1 scale, 0.38 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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GRX vs HCA: 3-year weekly correlation 0.38GRX vs HCA0.38

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Hubs: GRX correlations · HCA correlations