ORI vs SIGI: Correlation
How closely do Old Republic International Corporation (ORI) and Selective Insurance Group, Inc. (SIGI) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ORI and SIGI?
Over the past 3 years, ORI and SIGI moved with a correlation of 0.54, which is moderate. The relationship has been stable: the 1-year correlation (0.62) sits close to the 3-year figure. Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 291.3 %².
Within ORI's tracked universe of 26 assets, SIGI comes in at #11 by 3-year correlation. Their 12-month results are close: +15.0% for ORI 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.
ORI vs SIGI: side by side
| ORI (Old Republic International Corporation) | SIGI (Selective Insurance Group, Inc.) | |
|---|---|---|
| 1-year return | +15.0% | +19.1% |
| 5-year return | +137.4% | +18.8% |
| Volatility (ann.) | 21.1% | 25.4% |
| Beta vs S&P 500 | 0.28 | 0.32 |
| Max drawdown (3Y) | -16.2% | -30.5% |
| Market cap | $10.2B | $5.5B |
| P/E (trailing) | 9.3 | 11.5 |
| Dividend yield | 2.85% | 1.81% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ORI | SIGI |
|---|---|---|
| 2022 | +6.7% | +9.7% |
| 2023 | +26.3% | +13.7% |
| 2024 | +27.1% | -4.6% |
| 2025 | +37.5% | -8.8% |
| 2026 | -0.5% | +11.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ORI and SIGI good diversifiers for each other?
Only partially. A correlation of 0.54 means ORI 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 ORI and SIGI?
As of 2026-08-27, the correlation of weekly returns between ORI and SIGI is 0.54 over 3 years, 0.62 over 1 year and 0.53 over 5 years.
Is SIGI a good diversifier for ORI?
Only partially. A correlation of 0.54 means ORI 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 0.54 mean?
A reading of 0.54 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ori-vs-sigi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ori-vs-sigi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ORI correlations · SIGI correlations
