PairBook
HomeMXC › MXC vs QSR

MXC vs QSR: Correlation

Measured on weekly returns over the past three years, Mexco Energy Corporation (MXC) and Restaurant Brands International Inc. (QSR) carry a correlation of -0.20, a negative link.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.03
last 12 months
Correlation (5Y)
-0.09
long-run
Ann. covariance
-261.9
%² · weekly, annualized

How correlated are MXC and QSR?

On 3 years of weekly data the MXC/QSR correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.03 versus -0.20 over 3 years. The 5-year figure is -0.09, and annualized covariance runs at -261.9 %².

By 3-year correlation, QSR places #32 of the 56 assets tracked against MXC. On 12-month performance QSR holds a 7.7-point edge, +21.6% against +29.3%. Risk is not evenly split, since MXC carries 3.0 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 QSR: side by side

MXC (Mexco Energy Corporation)QSR (Restaurant Brands International Inc.)
1-year return+21.6%+29.3%
5-year return+7.2%+45.4%
Volatility (ann.)62.1%20.7%
Beta vs S&P 500-0.310.32
Max drawdown (3Y)-60.6%-24.5%
Market cap$35.8B
P/E (trailing)13.019.9
Dividend yield1.02%3.20%
Sector / categoryUS ListedUS Listed
Lower P/E: MXC 13.0 vs 19.9Higher yield: QSR 3.20% vs 1.02%Smaller drawdown: QSR -24.5% vs -60.6%Higher 5y return: QSR +45.4% vs +7.2%
-12%0%+77%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MXC · QSR

Year-by-year returns

YearMXCQSR
2022+33.0%+10.7%
2023-26.2%+24.6%
2024+24.6%-13.8%
2025-10.8%+8.6%
2026-0.6%+16.5%

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

Are MXC and QSR good diversifiers for each other?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between MXC and QSR?

Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.03 over the last year and -0.09 over 5 years.

Is QSR a good diversifier for MXC?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.20 mean?

On the −1 to +1 scale, -0.20 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/mxc-vs-qsr.json

MXC vs QSR: 3-year weekly correlation -0.20MXC vs QSR-0.20

Markdown for the live badge, attribution link included:

[![MXC vs QSR correlation](https://www.pairbook.io/api/v1/badge/mxc-vs-qsr.svg)](https://www.pairbook.io/pair/mxc-vs-qsr/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: MXC correlations · QSR correlations