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ARMK vs SYK: Correlation

Aramark (ARMK) and Stryker Corporation (SYK) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.

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

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.49
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
246.9
%² · weekly, annualized

How correlated are ARMK and SYK?

Over the past 3 years, ARMK and SYK moved with a correlation of 0.45, which is moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 246.9 %².

In ARMK's tracked universe of 12 assets, SYK sits right near the top at #2. The last year tells two different stories: ARMK led by 67.8 percentage points, +50.6% for ARMK against -17.2% for SYK.

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.

ARMK vs SYK: side by side

ARMK (Aramark)SYK (Stryker Corporation)
1-year return+50.6%-17.2%
5-year return+152.4%+23.8%
Volatility (ann.)25.7%21.5%
Beta vs S&P 5000.610.61
Max drawdown (3Y)-27.6%-29.4%
Market cap$15.5B$123.6B
P/E (trailing)41.834.1
Dividend yield0.81%1.06%
Sector / categoryUS ListedHealth Care
Lower P/E: SYK 34.1 vs 41.8Higher yield: SYK 1.06% vs 0.81%Smaller drawdown: ARMK -27.6% vs -29.4%Higher 5y return: ARMK +152.4% vs +23.8%
-27%0%+62%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ARMK · SYK

Year-by-year returns

YearARMKSYK
2022+13.5%-7.4%
2023-4.7%+23.8%
2024+34.3%+21.3%
2025-0.1%-1.5%
2026+60.9%-7.9%

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

Are ARMK and SYK good diversifiers for each other?

A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between ARMK and SYK?

The ARMK/SYK correlation stands at 0.45 on a 3-year window (1 year: 0.49, 5 years: 0.51), computed from weekly returns as of 2026-08-27.

Is SYK a good diversifier for ARMK?

A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.45 mean?

A reading of 0.45 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/armk-vs-syk.json

ARMK vs SYK: 3-year weekly correlation 0.45ARMK vs SYK0.45

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Related comparisons

Hubs: ARMK correlations · SYK correlations