MCK vs MSI: Correlation
Measured on weekly returns over the past three years, McKesson Corporation (MCK) and Motorola Solutions (MSI) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MCK and MSI?
Over the past 3 years, MCK and MSI moved with a correlation of 0.38, which is moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. Over 5 years the correlation is 0.39, and the annualized covariance of weekly returns is 209.4 %².
Among the 35 assets we track against MCK, MSI ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MCK outperformed by 24.9 percentage points (+30.8% for MCK against +5.9% for MSI). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.14 to 0.63.
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.
MCK vs MSI: side by side
| MCK (McKesson Corporation) | MSI (Motorola Solutions) | |
|---|---|---|
| 1-year return | +30.8% | +5.9% |
| 5-year return | +354.8% | +111.1% |
| Volatility (ann.) | 25.1% | 22.1% |
| Beta vs S&P 500 | 0.16 | 0.61 |
| Max drawdown (3Y) | -27.2% | -27.0% |
| Market cap | $103.8B | $80.5B |
| P/E (trailing) | 24.0 | 38.5 |
| Dividend yield | 0.37% | 0.97% |
| Sector / category | Health Care | Information Technology |
Year-by-year returns
| Year | MCK | MSI |
|---|---|---|
| 2022 | +51.8% | -3.8% |
| 2023 | +24.1% | +23.0% |
| 2024 | +23.7% | +49.1% |
| 2025 | +44.5% | -16.2% |
| 2026 | +8.8% | +27.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MCK and MSI good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MCK and MSI?
The MCK/MSI correlation stands at 0.38 on a 3-year window (1 year: 0.36, 5 years: 0.39), computed from weekly returns as of 2026-08-27.
Is MSI a good diversifier for MCK?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mck-vs-msi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mck-vs-msi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MCK correlations · MSI correlations
