AMGN vs MCK: Correlation
Amgen (AMGN) and McKesson Corporation (MCK) show a moderate relationship: their 3-year correlation of weekly returns is 0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMGN and MCK?
Across a 3-year window, the weekly returns of AMGN and MCK correlate at 0.30, moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.30 over 3. Stretching to 5 years gives 0.34, with an annualized covariance of 194.7 %².
Among the 31 assets we track against AMGN, MCK ranks #18 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AMGN ahead by 25.2 points (+56.0% versus +30.8%). Across three years, the rolling one-year figure varied moderately, from 0.02 to 0.44.
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.
AMGN vs MCK: side by side
| AMGN (Amgen) | MCK (McKesson Corporation) | |
|---|---|---|
| 1-year return | +56.0% | +30.8% |
| 5-year return | +127.8% | +354.8% |
| Volatility (ann.) | 26.3% | 25.1% |
| Beta vs S&P 500 | 0.34 | 0.16 |
| Max drawdown (3Y) | -22.7% | -27.2% |
| Market cap | $236.3B | $103.8B |
| P/E (trailing) | 27.3 | 24.0 |
| Dividend yield | 2.23% | 0.37% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | AMGN | MCK |
|---|---|---|
| 2022 | +20.4% | +51.8% |
| 2023 | +13.5% | +24.1% |
| 2024 | -6.8% | +23.7% |
| 2025 | +29.7% | +44.5% |
| 2026 | +36.2% | +8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMGN and MCK good diversifiers for each other?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AMGN and MCK?
As of 2026-08-27, the correlation of weekly returns between AMGN and MCK is 0.30 over 3 years, 0.38 over 1 year and 0.34 over 5 years.
Is MCK a good diversifier for AMGN?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.30 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
$ curl https://www.pairbook.io/api/v1/pairs/amgn-vs-mck.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/amgn-vs-mck/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMGN correlations · MCK correlations
