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PGR vs WRB: Correlation

Progressive Corporation (PGR) and W. R. Berkley Corporation (WRB) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.

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

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.55
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
289.4
%² · weekly, annualized

How correlated are PGR and WRB?

Across a 3-year window, the weekly returns of PGR and WRB correlate at 0.55, moderate. Recent behaviour matches the longer record: 0.55 over 1 year against 0.55 over 3. Stretching to 5 years gives 0.50, with an annualized covariance of 289.4 %².

By 3-year correlation, WRB places #4 of the 36 assets tracked against PGR. Neither side won the trailing year by much: -5.3% against -2.0%. On a rolling one-year basis the correlation drifted between 0.35 and 0.69, a moderate band.

+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.

PGR vs WRB: side by side

PGR (Progressive Corporation)WRB (W. R. Berkley Corporation)
1-year return-5.3%-2.0%
5-year return+153.0%+130.5%
Volatility (ann.)23.6%22.5%
Beta vs S&P 5000.320.19
Max drawdown (3Y)-30.4%-17.6%
Market cap$126.5B$25.4B
P/E (trailing)10.914.1
Dividend yield0.18%0.54%
Sector / categoryFinancialsFinancials
Lower P/E: PGR 10.9 vs 14.1Higher yield: WRB 0.54% vs 0.18%Smaller drawdown: WRB -17.6% vs -30.4%Higher 5y return: PGR +153.0% vs +130.5%
-17%0%+9%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PGR · WRB

Year-by-year returns

YearPGRWRB
2022+26.8%+33.9%
2023+23.2%+0.2%
2024+51.4%+27.2%
2025-3.0%+23.0%
2026+1.7%-1.5%

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

Are PGR and WRB good diversifiers for each other?

Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between PGR and WRB?

The PGR/WRB correlation stands at 0.55 on a 3-year window (1 year: 0.55, 5 years: 0.50), computed from weekly returns as of 2026-08-27.

Is WRB a good diversifier for PGR?

Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.55 mean?

On the −1 to +1 scale, 0.55 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.

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PGR vs WRB: 3-year weekly correlation 0.55PGR vs WRB0.55

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Hubs: PGR correlations · WRB correlations