BRK.B vs PGR: Correlation
Measured on weekly returns over the past three years, Berkshire Hathaway (BRK.B) and Progressive Corporation (PGR) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRK.B and PGR?
Over the past 3 years, BRK.B and PGR moved with a correlation of 0.48, which is moderate. The link has loosened recently: the 1-year correlation (0.35) runs below the 3-year figure (0.48). Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 181.6 %².
Within BRK.B's tracked universe of 31 assets, PGR comes in at #17 by 3-year correlation. The trailing year gives BRK.B the advantage: +1.6% versus -5.3%, a 6.9-point spread. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.17 to 0.71.
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.
BRK.B vs PGR: side by side
| BRK.B (Berkshire Hathaway) | PGR (Progressive Corporation) | |
|---|---|---|
| 1-year return | +1.6% | -5.3% |
| 5-year return | +76.3% | +153.0% |
| Volatility (ann.) | 15.9% | 23.6% |
| Beta vs S&P 500 | 0.43 | 0.32 |
| Max drawdown (3Y) | -14.9% | -30.4% |
| Market cap | $1,078.3B | $126.5B |
| P/E (trailing) | 12.7 | 10.9 |
| Dividend yield | 0.00% | 0.18% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BRK.B | PGR |
|---|---|---|
| 2022 | +3.3% | +26.8% |
| 2023 | +15.5% | +23.2% |
| 2024 | +27.1% | +51.4% |
| 2025 | +10.9% | -3.0% |
| 2026 | +0.2% | +1.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRK.B and PGR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BRK.B and PGR?
As of 2026-08-27, the correlation of weekly returns between BRK.B and PGR is 0.48 over 3 years, 0.35 over 1 year and 0.50 over 5 years.
Is PGR a good diversifier for BRK.B?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
A reading of 0.48 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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Related comparisons
Hubs: BRK.B correlations · PGR correlations
