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
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 500 | 0.61 | 0.61 |
| Max drawdown (3Y) | -27.6% | -29.4% |
| Market cap | $15.5B | $123.6B |
| P/E (trailing) | 41.8 | 34.1 |
| Dividend yield | 0.81% | 1.06% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | ARMK | SYK |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/armk-vs-syk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/armk-vs-syk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARMK correlations · SYK correlations