HIG vs MCK: Correlation
Measured on weekly returns over the past three years, Hartford (The) (HIG) and McKesson Corporation (MCK) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HIG and MCK?
Across a 3-year window, the weekly returns of HIG and MCK correlate at 0.36, moderate. The link has tightened recently: the 1-year correlation (0.47) runs above the 3-year figure (0.36). Stretching to 5 years gives 0.43, with an annualized covariance of 175.8 %².
Among the 49 assets we track against HIG, MCK ranks #36 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MCK ahead by 25.4 points (+5.4% versus +30.8%). The rolling one-year correlation moved between 0.16 and 0.49 over the past three years, a moderate range.
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.
HIG vs MCK: side by side
| HIG (Hartford (The)) | MCK (McKesson Corporation) | |
|---|---|---|
| 1-year return | +5.4% | +30.8% |
| 5-year return | +127.4% | +354.8% |
| Volatility (ann.) | 19.5% | 25.1% |
| Beta vs S&P 500 | 0.39 | 0.16 |
| Max drawdown (3Y) | -13.7% | -27.2% |
| Market cap | $37.3B | $103.8B |
| P/E (trailing) | 9.7 | 24.0 |
| Dividend yield | 1.66% | 0.37% |
| Sector / category | Financials | Health Care |
Year-by-year returns
| Year | HIG | MCK |
|---|---|---|
| 2022 | +12.3% | +51.8% |
| 2023 | +8.5% | +24.1% |
| 2024 | +38.5% | +23.7% |
| 2025 | +28.1% | +44.5% |
| 2026 | +0.9% | +8.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HIG and MCK good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between HIG and MCK?
The HIG/MCK correlation stands at 0.36 on a 3-year window (1 year: 0.47, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is MCK a good diversifier for HIG?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 mean?
On the −1 to +1 scale, 0.36 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/hig-vs-mck.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hig-vs-mck/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HIG correlations · MCK correlations
