CINF vs SIGI: Correlation
How closely do Cincinnati Financial (CINF) and Selective Insurance Group, Inc. (SIGI) 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 SIGI?
On 3 years of weekly data the CINF/SIGI correlation comes out at 0.57, moderate. The link has tightened recently: the 1-year correlation (0.72) runs above the 3-year figure (0.57). The 5-year figure is 0.57, and annualized covariance runs at 314.8 %².
By 3-year correlation, SIGI places #21 of the 49 assets tracked against CINF. Their 12-month results are close: +14.5% for CINF against +19.1% for SIGI.
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 SIGI: side by side
| CINF (Cincinnati Financial) | SIGI (Selective Insurance Group, Inc.) | |
|---|---|---|
| 1-year return | +14.5% | +19.1% |
| 5-year return | +58.8% | +18.8% |
| Volatility (ann.) | 21.6% | 25.4% |
| Beta vs S&P 500 | 0.36 | 0.32 |
| Max drawdown (3Y) | -20.0% | -30.5% |
| Market cap | $26.5B | $5.5B |
| P/E (trailing) | 8.1 | 11.5 |
| Dividend yield | 2.10% | 1.81% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | CINF | SIGI |
|---|---|---|
| 2022 | -7.9% | +9.7% |
| 2023 | +4.0% | +13.7% |
| 2024 | +42.5% | -4.6% |
| 2025 | +16.3% | -8.8% |
| 2026 | +6.8% | +11.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CINF and SIGI good diversifiers for each other?
Only partially. A correlation of 0.57 means CINF and SIGI 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 CINF and SIGI?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.72 over the last year and 0.57 over 5 years.
Is SIGI a good diversifier for CINF?
Only partially. A correlation of 0.57 means CINF and SIGI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 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/cinf-vs-sigi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cinf-vs-sigi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CINF correlations · SIGI correlations
