DGICA vs SIGI: Correlation
Donegal Group, Inc. (DGICA) and Selective Insurance Group, Inc. (SIGI) show a moderate relationship: their 3-year correlation of weekly returns is 0.52.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DGICA and SIGI?
Over the past 3 years, DGICA and SIGI moved with a correlation of 0.52, which is moderate. Little has changed lately, as the 1-year reading of 0.55 lands near the 3-year figure. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 305.2 %².
In DGICA's tracked universe of 12 assets, SIGI sits right near the top at #3. The trailing year gives SIGI the advantage: +12.6% versus +19.1%, a 6.5-point spread.
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.
DGICA vs SIGI: side by side
| DGICA (Donegal Group, Inc.) | SIGI (Selective Insurance Group, Inc.) | |
|---|---|---|
| 1-year return | +12.6% | +19.1% |
| 5-year return | +57.1% | +18.8% |
| Volatility (ann.) | 23.2% | 25.4% |
| Beta vs S&P 500 | 0.18 | 0.32 |
| Max drawdown (3Y) | -20.4% | -30.5% |
| Market cap | $0.7B | $5.5B |
| P/E (trailing) | 9.9 | 11.5 |
| Dividend yield | 3.87% | 1.81% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DGICA | SIGI |
|---|---|---|
| 2022 | +4.0% | +9.7% |
| 2023 | +3.2% | +13.7% |
| 2024 | +15.9% | -4.6% |
| 2025 | +34.7% | -8.8% |
| 2026 | -2.0% | +11.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DGICA and SIGI good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DGICA and SIGI?
As of 2026-08-27, the correlation of weekly returns between DGICA and SIGI is 0.52 over 3 years, 0.55 over 1 year and 0.50 over 5 years.
Is SIGI a good diversifier for DGICA?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 mean?
On the −1 to +1 scale, 0.52 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/dgica-vs-sigi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dgica-vs-sigi/)
No key needed, free to use. Full endpoint list in the API documentation.
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Hubs: DGICA correlations · SIGI correlations