PSNL vs SIGI: Correlation
Personalis, Inc. (PSNL) and Selective Insurance Group, Inc. (SIGI) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSNL and SIGI?
Across a 3-year window, the weekly returns of PSNL and SIGI correlate at -0.22, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.17 lands near the 3-year figure. Stretching to 5 years gives -0.05, with an annualized covariance of -717.3 %².
Among the 12 assets we track against PSNL, SIGI sits near the bottom by co-movement, at rank #12. Correlation aside, the last 12 months split them widely, with PSNL ahead by 232.4 points (+251.5% versus +19.1%). One caveat on sizing: PSNL is 5.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
PSNL vs SIGI: side by side
| PSNL (Personalis, Inc.) | SIGI (Selective Insurance Group, Inc.) | |
|---|---|---|
| 1-year return | +251.5% | +19.1% |
| 5-year return | -19.1% | +18.8% |
| Volatility (ann.) | 130.7% | 25.4% |
| Beta vs S&P 500 | 1.14 | 0.32 |
| Max drawdown (3Y) | -55.2% | -30.5% |
| Market cap | $1.8B | $5.5B |
| P/E (trailing) | – | 11.5 |
| Dividend yield | 0.00% | 1.81% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSNL | SIGI |
|---|---|---|
| 2022 | -86.1% | +9.7% |
| 2023 | +6.1% | +13.7% |
| 2024 | +175.2% | -4.6% |
| 2025 | +37.7% | -8.8% |
| 2026 | +111.1% | +11.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSNL and SIGI good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between PSNL and SIGI?
The PSNL/SIGI correlation stands at -0.22 on a 3-year window (1 year: -0.17, 5 years: -0.05), computed from weekly returns as of 2026-08-27.
Is SIGI a good diversifier for PSNL?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 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/psnl-vs-sigi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/psnl-vs-sigi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PSNL correlations · SIGI correlations
