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MA vs WTW: Correlation

How closely do Mastercard (MA) and Willis Towers Watson (WTW) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
200.8
%² · weekly, annualized

How correlated are MA and WTW?

Over the past 3 years, MA and WTW moved with a correlation of 0.44, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.64 versus 0.44 over 3 years. Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 200.8 %².

By 3-year correlation, WTW places #31 of the 46 assets tracked against MA. Neither side won the trailing year by much: +0.8% against +4.2%. The relationship is regime-dependent: the rolling one-year correlation swung between -0.04 and 0.66 over the past three years, so this pair behaves very differently depending on the market environment.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past 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.

MA vs WTW: side by side

MA (Mastercard)WTW (Willis Towers Watson)
1-year return+0.8%+4.2%
5-year return+72.6%+68.3%
Volatility (ann.)19.3%23.5%
Beta vs S&P 5000.770.32
Max drawdown (3Y)-20.9%-30.4%
Market cap$518.4B$31.5B
P/E (trailing)32.921.2
Dividend yield0.56%0.55%
Sector / categoryFinancialsFinancials
Lower P/E: WTW 21.2 vs 32.9Higher yield: MA 0.56% vs 0.55%Smaller drawdown: MA -20.9% vs -30.4%Higher 5y return: MA +72.6% vs +68.3%
-24%0%+6%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. MA · WTW

Year-by-year returns

YearMAWTW
2022-2.7%+4.5%
2023+23.4%+0.1%
2024+24.2%+31.5%
2025+9.0%+6.1%
2026+4.2%+4.1%

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

Are MA and WTW good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between MA and WTW?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.64 over the last year and 0.46 over 5 years.

Is WTW a good diversifier for MA?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 mean?

On the −1 to +1 scale, 0.44 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ma-vs-wtw.json

MA vs WTW: 3-year weekly correlation 0.44MA vs WTW0.44

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Hubs: MA correlations · WTW correlations