GBR vs MXC: Correlation
New Concept Energy, Inc (GBR) and Mexco Energy Corporation (MXC) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GBR and MXC?
Across a 3-year window, the weekly returns of GBR and MXC correlate at 0.35, moderate. The past 12 months show a tighter link (0.49) than the 3-year average (0.35). Stretching to 5 years gives 0.48, with an annualized covariance of 1283.7 %².
Within GBR's tracked universe of 10 assets, MXC comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MXC ahead by 34.1 points (-12.5% versus +21.6%).
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.
GBR vs MXC: side by side
| GBR (New Concept Energy, Inc) | MXC (Mexco Energy Corporation) | |
|---|---|---|
| 1-year return | -12.5% | +21.6% |
| 5-year return | -81.2% | +7.2% |
| Volatility (ann.) | 58.4% | 62.1% |
| Beta vs S&P 500 | 0.50 | -0.31 |
| Max drawdown (3Y) | -65.0% | -60.6% |
| Market cap | – | – |
| P/E (trailing) | – | 13.0 |
| Dividend yield | 0.00% | 1.02% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GBR | MXC |
|---|---|---|
| 2022 | -54.2% | +33.0% |
| 2023 | -8.3% | -26.2% |
| 2024 | +16.0% | +24.6% |
| 2025 | -35.3% | -10.8% |
| 2026 | +0.3% | -0.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GBR and MXC good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GBR and MXC?
Using weekly returns as of 2026-08-27: 0.35 over 3 years, with 0.49 over the last year and 0.48 over 5 years.
Is MXC a good diversifier for GBR?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/gbr-vs-mxc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gbr-vs-mxc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GBR correlations · MXC correlations
