CPBI vs GMEX: Correlation
How closely do Central Plains Bancshares, Inc. (CPBI) and GMEX ROBOTICS CORPORATION - Class A (GMEX) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPBI and GMEX?
Across a 3-year window, the weekly returns of CPBI and GMEX correlate at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.16) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -612.7 %².
GMEX is close to the least connected end of CPBI's tracked universe, ranking #8 of 11. Correlation aside, the last 12 months split them widely, with CPBI ahead by 135.0 points (+35.0% versus -100.0%). Risk is not evenly split, since GMEX carries 12.6 times the volatility of the other side.
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 GMEX: side by side
| CPBI (Central Plains Bancshares, Inc.) | GMEX (GMEX ROBOTICS CORPORATION - Class A) | |
|---|---|---|
| 1-year return | +35.0% | -100.0% |
| 5-year return | n/a | n/a |
| Volatility (ann.) | 15.5% | 195.3% |
| Beta vs S&P 500 | 0.16 | 2.43 |
| Max drawdown (3Y) | -8.4% | -100.0% |
| Market cap | $0.1B | – |
| P/E (trailing) | 17.7 | – |
| Dividend yield | 0.00% | 4710.28% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPBI | GMEX |
|---|---|---|
| 2024 | +46.7% | +471.2% |
| 2025 | +13.1% | -99.6% |
| 2026 | +23.7% | -99.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPBI and GMEX good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between CPBI and GMEX?
As of 2026-08-27, the correlation of weekly returns between CPBI and GMEX is -0.20 over 3 years, -0.16 over 1 year and n/a over 5 years.
Is GMEX a good diversifier for CPBI?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
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-gmex.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cpbi-vs-gmex/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CPBI correlations · GMEX correlations
