CPBI vs SES: Correlation
Central Plains Bancshares, Inc. (CPBI) and SES AI Corporation (SES) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPBI and SES?
Across a 3-year window, the weekly returns of CPBI and SES correlate at -0.20, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.03) runs above the 3-year figure (-0.20). Stretching to 5 years gives n/a, with an annualized covariance of -931.0 %².
SES is close to the least connected end of CPBI's tracked universe, ranking #9 of 11. The last year tells two different stories: CPBI led by 86.0 percentage points, +35.0% for CPBI against -51.0% for SES. One caveat on sizing: SES is 19.0 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.
CPBI vs SES: side by side
| CPBI (Central Plains Bancshares, Inc.) | SES (SES AI Corporation) | |
|---|---|---|
| 1-year return | +35.0% | -51.0% |
| 5-year return | n/a | -94.5% |
| Volatility (ann.) | 15.5% | 294.5% |
| Beta vs S&P 500 | 0.16 | 2.43 |
| Max drawdown (3Y) | -8.4% | -89.7% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | 17.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPBI | SES |
|---|---|---|
| 2022 | – | -68.3% |
| 2023 | – | -41.9% |
| 2024 | +46.7% | +19.7% |
| 2025 | +13.1% | -17.8% |
| 2026 | +23.7% | -69.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPBI and SES good diversifiers for each other?
Yes. With a correlation of -0.20, CPBI and SES have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CPBI and SES?
As of 2026-08-27, the correlation of weekly returns between CPBI and SES is -0.20 over 3 years, -0.03 over 1 year and n/a over 5 years.
Is SES a good diversifier for CPBI?
Yes. With a correlation of -0.20, CPBI and SES have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 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/cpbi-vs-ses.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cpbi-vs-ses/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CPBI correlations · SES correlations