MXC vs PPG: Correlation
Measured on weekly returns over the past three years, Mexco Energy Corporation (MXC) and PPG Industries (PPG) carry a correlation of -0.30, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MXC and PPG?
Over the past 3 years, MXC and PPG moved with a correlation of -0.30, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.31) sits close to the 3-year figure. Over 5 years the correlation is -0.22, and the annualized covariance of weekly returns is -475.7 %².
PPG is close to the least connected end of MXC's tracked universe, ranking #54 of 56. Correlation aside, the last 12 months split them widely, with MXC ahead by 17.8 points (+21.6% versus +3.8%). Risk is not evenly split, since MXC carries 2.4 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.
MXC vs PPG: side by side
| MXC (Mexco Energy Corporation) | PPG (PPG Industries) | |
|---|---|---|
| 1-year return | +21.6% | +3.8% |
| 5-year return | +7.2% | -22.0% |
| Volatility (ann.) | 62.1% | 25.5% |
| Beta vs S&P 500 | -0.31 | 0.90 |
| Max drawdown (3Y) | -60.6% | -37.4% |
| Market cap | – | $25.2B |
| P/E (trailing) | 13.0 | 16.4 |
| Dividend yield | 1.02% | 2.48% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | MXC | PPG |
|---|---|---|
| 2022 | +33.0% | -25.7% |
| 2023 | -26.2% | +21.2% |
| 2024 | +24.6% | -18.5% |
| 2025 | -10.8% | -12.0% |
| 2026 | -0.6% | +12.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MXC and PPG good diversifiers for each other?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
FAQ
What is the correlation between MXC and PPG?
Using weekly returns as of 2026-08-27: -0.30 over 3 years, with -0.31 over the last year and -0.22 over 5 years.
Is PPG a good diversifier for MXC?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
What does a correlation of -0.30 mean?
A reading of -0.30 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mxc-vs-ppg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mxc-vs-ppg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MXC correlations · PPG correlations
