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ACGL vs PGR: Correlation

Measured on weekly returns over the past three years, Arch Capital Group (ACGL) and Progressive Corporation (PGR) carry a correlation of 0.59, a moderate link.

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

Correlation (3Y)
0.59
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
299.6
%² · weekly, annualized

How correlated are ACGL and PGR?

Over the past 3 years, ACGL and PGR moved with a correlation of 0.59, which is moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 299.6 %².

By 3-year correlation, PGR places #11 of the 36 assets tracked against ACGL. Over the last 12 months ACGL came out ahead by 13.0 percentage points (+7.7% against -5.3%). On a rolling one-year basis the correlation drifted between 0.36 and 0.69, a moderate band.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

ACGL vs PGR: side by side

ACGL (Arch Capital Group)PGR (Progressive Corporation)
1-year return+7.7%-5.3%
5-year return+151.8%+153.0%
Volatility (ann.)21.5%23.6%
Beta vs S&P 5000.280.32
Max drawdown (3Y)-22.4%-30.4%
Market cap$33.7B$126.5B
P/E (trailing)7.910.9
Dividend yield0.00%0.18%
Sector / categoryFinancialsFinancials
Lower P/E: ACGL 7.9 vs 10.9Higher yield: PGR 0.18% vs 0.00%Smaller drawdown: ACGL -22.4% vs -30.4%Higher 5y return: PGR +153.0% vs +151.8%
-17%0%+13%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ACGL · PGR

Year-by-year returns

YearACGLPGR
2022+41.2%+26.8%
2023+18.3%+23.2%
2024+30.8%+51.4%
2025+3.9%-3.0%
2026+3.0%+1.7%

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

Are ACGL and PGR good diversifiers for each other?

Only partially. A correlation of 0.59 means ACGL and PGR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between ACGL and PGR?

Using weekly returns as of 2026-08-27: 0.59 over 3 years, with 0.54 over the last year and 0.49 over 5 years.

Is PGR a good diversifier for ACGL?

Only partially. A correlation of 0.59 means ACGL and PGR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.59 mean?

A reading of 0.59 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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ACGL vs PGR: 3-year weekly correlation 0.59ACGL vs PGR0.59

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Hubs: ACGL correlations · PGR correlations