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MCK vs USMV: Correlation

How closely do McKesson Corporation (MCK) and iShares MSCI USA Min Vol Factor ETF (USMV) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.

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

Correlation (3Y)
0.35
moderate
Correlation (1Y)
0.34
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
88.0
%² · weekly, annualized

How correlated are MCK and USMV?

Over the past 3 years, MCK and USMV moved with a correlation of 0.35, which is moderate. Little has changed lately, as the 1-year reading of 0.34 lands near the 3-year figure. Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 88.0 %².

By 3-year correlation, USMV places #15 of the 35 assets tracked against MCK. The last year tells two different stories: MCK led by 20.7 percentage points, +30.8% for MCK against +10.1% for USMV. Across three years, the rolling one-year figure varied moderately, from 0.13 to 0.54. One caveat on sizing: MCK is 2.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last three years.
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 USMV: side by side

MCK (McKesson Corporation)USMV (iShares MSCI USA Min Vol Factor ETF)
1-year return+30.8%+10.1%
5-year return+354.8%+42.3%
Volatility (ann.)25.1%9.9%
Beta vs S&P 5000.160.51
Max drawdown (3Y)-27.2%-9.4%
Market cap$103.8B
P/E (trailing)24.0
Dividend yield0.37%1.48%
Expense ratio0.15%
Assets under management$23.6B
Sector / categoryHealth CareETF · US Style
Higher yield: USMV 1.48% vs 0.37%Smaller drawdown: USMV -9.4% vs -27.2%Higher 5y return: MCK +354.8% vs +42.3%

USMV, iShares's Large Blend fund, carries $23.6B under management, 164 holdings, a 0.15% expense ratio, a 1.48% trailing dividend yield.

-2%0%+44%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). MCK · USMV

Year-by-year returns

YearMCKUSMV
2022+51.8%-9.4%
2023+24.1%+10.3%
2024+23.7%+15.7%
2025+44.5%+7.6%
2026+8.8%+9.1%

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

Fund exposure

A structural note: 1.35% of USMV is MCK itself, so the fund partly moves with the stock by construction.

Are MCK and USMV good diversifiers for each other?

A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between MCK and USMV?

Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.34 over the last year and 0.41 over 5 years.

Is USMV a good diversifier for MCK?

A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.35 mean?

A reading of 0.35 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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MCK vs USMV: 3-year weekly correlation 0.35MCK vs USMV0.35

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Related comparisons

Hubs: MCK correlations · USMV correlations