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MXC vs OPBK: Correlation

How closely do Mexco Energy Corporation (MXC) and OP Bancorp (OPBK) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.19
negative
Correlation (1Y)
-0.14
last 12 months
Correlation (5Y)
-0.04
long-run
Ann. covariance
-360.4
%² · weekly, annualized

How correlated are MXC and OPBK?

Over the past 3 years, MXC and OPBK moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.14) sits close to the 3-year figure. Over 5 years the correlation is -0.04, and the annualized covariance of weekly returns is -360.4 %².

Among the 56 assets we track against MXC, OPBK ranks #29 by 3-year correlation. On 12-month performance MXC holds a 11.0-point edge, +21.6% against +10.6%. One caveat on sizing: MXC is 2.1 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.

MXC vs OPBK: side by side

MXC (Mexco Energy Corporation)OPBK (OP Bancorp)
1-year return+21.6%+10.6%
5-year return+7.2%+86.0%
Volatility (ann.)62.1%30.2%
Beta vs S&P 500-0.310.65
Max drawdown (3Y)-60.6%-41.8%
Market cap$0.2B
P/E (trailing)13.07.7
Dividend yield1.02%3.33%
Sector / categoryUS ListedUS Listed
Lower P/E: OPBK 7.7 vs 13.0Higher yield: OPBK 3.33% vs 1.02%Smaller drawdown: OPBK -41.8% vs -60.6%Higher 5y return: OPBK +86.0% vs +7.2%
-12%0%+77%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). MXC · OPBK

Year-by-year returns

YearMXCOPBK
2022+33.0%-9.3%
2023-26.2%+3.2%
2024+24.6%+50.5%
2025-10.8%-7.4%
2026-0.6%+10.4%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are MXC and OPBK good diversifiers for each other?

Yes. With a correlation of -0.19, MXC and OPBK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between MXC and OPBK?

Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.14 over the last year and -0.04 over 5 years.

Is OPBK a good diversifier for MXC?

Yes. With a correlation of -0.19, MXC and OPBK have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.19 mean?

A reading of -0.19 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

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$ curl https://www.pairbook.io/api/v1/pairs/mxc-vs-opbk.json

MXC vs OPBK: 3-year weekly correlation -0.19MXC vs OPBK-0.19

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Related comparisons

Hubs: MXC correlations · OPBK correlations