BRK.B vs CINF: Correlation
Measured on weekly returns over the past three years, Berkshire Hathaway (BRK.B) and Cincinnati Financial (CINF) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRK.B and CINF?
Over the past 3 years, BRK.B and CINF moved with a correlation of 0.58, which is moderate. The relationship has been stable: the 1-year correlation (0.65) sits close to the 3-year figure. Over 5 years the correlation is 0.57, and the annualized covariance of weekly returns is 198.4 %².
By 3-year correlation, CINF places #11 of the 31 assets tracked against BRK.B. The trailing year gives CINF the advantage: +1.6% versus +14.5%, a 12.9-point spread. Across three years, the rolling one-year figure varied moderately, from 0.34 to 0.68.
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 CINF: side by side
| BRK.B (Berkshire Hathaway) | CINF (Cincinnati Financial) | |
|---|---|---|
| 1-year return | +1.6% | +14.5% |
| 5-year return | +76.3% | +58.8% |
| Volatility (ann.) | 15.9% | 21.6% |
| Beta vs S&P 500 | 0.43 | 0.36 |
| Max drawdown (3Y) | -14.9% | -20.0% |
| Market cap | $1,078.3B | $26.5B |
| P/E (trailing) | 12.7 | 8.1 |
| Dividend yield | 0.00% | 2.10% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BRK.B | CINF |
|---|---|---|
| 2022 | +3.3% | -7.9% |
| 2023 | +15.5% | +4.0% |
| 2024 | +27.1% | +42.5% |
| 2025 | +10.9% | +16.3% |
| 2026 | +0.2% | +6.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRK.B and CINF good diversifiers for each other?
Only partially. A correlation of 0.58 means BRK.B and CINF 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 BRK.B and CINF?
As of 2026-08-27, the correlation of weekly returns between BRK.B and CINF is 0.58 over 3 years, 0.65 over 1 year and 0.57 over 5 years.
Is CINF a good diversifier for BRK.B?
Only partially. A correlation of 0.58 means BRK.B and CINF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.58 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/brk-b-vs-cinf.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/brk-b-vs-cinf/)
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Related comparisons
Hubs: BRK.B correlations · CINF correlations
