CINF vs MCY: Correlation
How closely do Cincinnati Financial (CINF) and Mercury General Corporation (MCY) trade together? Their weekly returns over three years give a correlation of 0.57, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CINF and MCY?
Over the past 3 years, CINF and MCY moved with a correlation of 0.57, which is moderate. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 437.2 %².
Within CINF's tracked universe of 49 assets, MCY comes in at #19 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MCY outperformed by 19.6 percentage points (+14.5% for CINF against +34.1% for MCY). Note the risk asymmetry: MCY runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
CINF vs MCY: side by side
| CINF (Cincinnati Financial) | MCY (Mercury General Corporation) | |
|---|---|---|
| 1-year return | +14.5% | +34.1% |
| 5-year return | +58.8% | +99.9% |
| Volatility (ann.) | 21.6% | 35.8% |
| Beta vs S&P 500 | 0.36 | 0.75 |
| Max drawdown (3Y) | -20.0% | -40.0% |
| Market cap | $26.5B | – |
| P/E (trailing) | 8.1 | 6.2 |
| Dividend yield | 2.10% | 1.21% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | CINF | MCY |
|---|---|---|
| 2022 | -7.9% | -32.6% |
| 2023 | +4.0% | +13.6% |
| 2024 | +42.5% | +82.3% |
| 2025 | +16.3% | +44.1% |
| 2026 | +6.8% | +9.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CINF and MCY good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CINF and MCY?
The CINF/MCY correlation stands at 0.57 on a 3-year window (1 year: 0.63, 5 years: 0.49), computed from weekly returns as of 2026-08-27.
Is MCY a good diversifier for CINF?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 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
$ curl https://www.pairbook.io/api/v1/pairs/cinf-vs-mcy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cinf-vs-mcy/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CINF correlations · MCY correlations
