PairBook
HomeCAH › CAH vs COR

CAH vs COR: Correlation

Cardinal Health (CAH) and Cencora (COR) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.60
last 12 months
Correlation (5Y)
0.61
long-run
Ann. covariance
272.4
%² · weekly, annualized

How correlated are CAH and COR?

Over the past 3 years, CAH and COR moved with a correlation of 0.51, which is moderate. Little has changed lately, as the 1-year reading of 0.60 lands near the 3-year figure. Over 5 years the correlation is 0.61, and the annualized covariance of weekly returns is 272.4 %².

COR is one of the assets that tracks CAH most closely: it ranks #1 out of the 32 assets we track against CAH. The last year tells two different stories: CAH led by 47.8 percentage points, +59.2% for CAH against +11.4% for COR. On a rolling one-year basis the correlation drifted between 0.35 and 0.76, a moderate band.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved over the past 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.

CAH vs COR: side by side

CAH (Cardinal Health)COR (Cencora)
1-year return+59.2%+11.4%
5-year return+409.0%+188.6%
Volatility (ann.)24.2%21.9%
Beta vs S&P 5000.310.08
Max drawdown (3Y)-20.4%-32.4%
Market cap$54.7B$61.3B
P/E (trailing)33.024.3
Dividend yield0.86%0.72%
Sector / categoryHealth CareHealth Care
Lower P/E: COR 24.3 vs 33.0Higher yield: CAH 0.86% vs 0.72%Smaller drawdown: CAH -20.4% vs -32.4%Higher 5y return: CAH +409.0% vs +188.6%
-11%0%+61%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CAH · COR

Year-by-year returns

YearCAHCOR
2022+54.1%+26.3%
2023+34.1%+25.3%
2024+19.0%+10.4%
2025+76.3%+51.5%
2026+15.2%-4.3%

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

Are CAH and COR good diversifiers for each other?

To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between CAH and COR?

As of 2026-08-27, the correlation of weekly returns between CAH and COR is 0.51 over 3 years, 0.60 over 1 year and 0.61 over 5 years.

Is COR a good diversifier for CAH?

To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.51 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/cah-vs-cor.json

CAH vs COR: 3-year weekly correlation 0.51CAH vs COR0.51

Embed this badge (it refreshes with the data), with attribution:

[![CAH vs COR correlation](https://www.pairbook.io/api/v1/badge/cah-vs-cor.svg)](https://www.pairbook.io/pair/cah-vs-cor/)

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

Related comparisons

Hubs: CAH correlations · COR correlations