GMEX vs WMK: Correlation
Measured on weekly returns over the past three years, GMEX ROBOTICS CORPORATION - Class A (GMEX) and Weis Markets, Inc. (WMK) carry a correlation of -0.22, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GMEX and WMK?
Across a 3-year window, the weekly returns of GMEX and WMK correlate at -0.22, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.36) than the 3-year average (-0.22). Stretching to 5 years gives n/a, with an annualized covariance of -1125.0 %².
WMK is close to the least connected end of GMEX's tracked universe, ranking #16 of 17. Correlation aside, the last 12 months split them widely, with WMK ahead by 97.1 points (-100.0% versus -2.9%). Note the risk asymmetry: GMEX runs 7.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
GMEX vs WMK: side by side
| GMEX (GMEX ROBOTICS CORPORATION - Class A) | WMK (Weis Markets, Inc.) | |
|---|---|---|
| 1-year return | -100.0% | -2.9% |
| 5-year return | n/a | +36.2% |
| Volatility (ann.) | 195.3% | 26.2% |
| Beta vs S&P 500 | 2.43 | 0.07 |
| Max drawdown (3Y) | -100.0% | -29.4% |
| Market cap | – | – |
| P/E (trailing) | – | 17.6 |
| Dividend yield | 4710.28% | 1.92% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GMEX | WMK |
|---|---|---|
| 2022 | – | +27.1% |
| 2023 | – | -20.8% |
| 2024 | +471.2% | +8.0% |
| 2025 | -99.6% | -3.6% |
| 2026 | -99.6% | +11.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GMEX and WMK 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 GMEX and WMK?
As of 2026-08-27, the correlation of weekly returns between GMEX and WMK is -0.22 over 3 years, -0.36 over 1 year and n/a over 5 years.
Is WMK a good diversifier for GMEX?
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?
On the −1 to +1 scale, -0.22 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/gmex-vs-wmk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gmex-vs-wmk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GMEX correlations · WMK correlations
