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CAH vs FLS: Correlation

Cardinal Health (CAH) and Flowserve Corporation (FLS) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.

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

Correlation (3Y)
0.35
moderate
Correlation (1Y)
0.45
last 12 months
Correlation (5Y)
0.38
long-run
Ann. covariance
317.2
%² · weekly, annualized

How correlated are CAH and FLS?

Across a 3-year window, the weekly returns of CAH and FLS correlate at 0.35, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.45 versus 0.35 over 3 years. Stretching to 5 years gives 0.38, with an annualized covariance of 317.2 %².

Among the 32 assets we track against CAH, FLS ranks #15 by 3-year correlation. The trailing year gives CAH the advantage: +59.2% versus +51.4%, a 7.8-point spread. Risk is not evenly split, since FLS carries 1.5 times the volatility of the other side.

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 FLS: side by side

CAH (Cardinal Health)FLS (Flowserve Corporation)
1-year return+59.2%+51.4%
5-year return+409.0%+131.6%
Volatility (ann.)24.2%37.2%
Beta vs S&P 5000.311.43
Max drawdown (3Y)-20.4%-38.8%
Market cap$54.7B$10.4B
P/E (trailing)33.028.8
Dividend yield0.86%1.04%
Sector / categoryHealth CareUS Listed
Lower P/E: FLS 28.8 vs 33.0Higher yield: FLS 1.04% vs 0.86%Smaller drawdown: CAH -20.4% vs -38.8%Higher 5y return: CAH +409.0% vs +131.6%
-11%0%+64%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CAH · FLS

Year-by-year returns

YearCAHFLS
2022+54.1%+3.1%
2023+34.1%+37.3%
2024+19.0%+41.9%
2025+76.3%+22.5%
2026+15.2%+18.9%

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

Are CAH and FLS good diversifiers for each other?

Reasonably. At 0.35, CAH and FLS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between CAH and FLS?

Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.45 over the last year and 0.38 over 5 years.

Is FLS a good diversifier for CAH?

Reasonably. At 0.35, CAH and FLS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.35 mean?

A reading of 0.35 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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CAH vs FLS: 3-year weekly correlation 0.35CAH vs FLS0.35

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Related comparisons

Hubs: CAH correlations · FLS correlations