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CHE vs CNC: Correlation

How closely do Chemed Corp (CHE) and Centene Corporation (CNC) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.

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

Correlation (3Y)
0.28
weak
Correlation (1Y)
0.10
last 12 months
Correlation (5Y)
0.32
long-run
Ann. covariance
332.2
%² · weekly, annualized

How correlated are CHE and CNC?

Over the past 3 years, CHE and CNC moved with a correlation of 0.28, which is weak. The past 12 months show a weaker link (0.10) than the 3-year average (0.28). Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 332.2 %².

Within CHE's tracked universe of 16 assets, CNC comes in at #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months CNC outperformed by 111.6 percentage points (+14.9% for CHE against +126.5% for CNC). Note the risk asymmetry: CNC runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

CHE vs CNC: side by side

CHE (Chemed Corp)CNC (Centene Corporation)
1-year return+14.9%+126.5%
5-year return+12.2%+3.3%
Volatility (ann.)26.0%45.4%
Beta vs S&P 5000.210.36
Max drawdown (3Y)-42.9%-68.6%
Market cap$6.8B$32.3B
P/E (trailing)27.6
Dividend yield0.44%0.00%
Sector / categoryUS ListedHealth Care
Higher yield: CHE 0.44% vs 0.00%Smaller drawdown: CHE -42.9% vs -68.6%Higher 5y return: CHE +12.2% vs +3.3%
-21%0%+134%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CHE · CNC

Year-by-year returns

YearCHECNC
2022-3.2%-0.5%
2023+14.9%-9.5%
2024-9.1%-18.4%
2025-18.9%-32.1%
2026+22.1%+58.8%

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

Are CHE and CNC good diversifiers for each other?

Reasonably. At 0.28, CHE and CNC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CHE and CNC?

Using weekly returns as of 2026-08-27: 0.28 over 3 years, with 0.10 over the last year and 0.32 over 5 years.

Is CNC a good diversifier for CHE?

Reasonably. At 0.28, CHE and CNC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.28 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/che-vs-cnc.json

CHE vs CNC: 3-year weekly correlation 0.28CHE vs CNC0.28

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Related comparisons

Hubs: CHE correlations · CNC correlations