PairBook
HomeMPC › MPC vs PBF

MPC vs PBF: Correlation

How closely do Marathon Petroleum (MPC) and PBF Energy Inc. (PBF) trade together? Their weekly returns over three years give a correlation of 0.75, which is strong.

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

Correlation (3Y)
0.75
strong
Correlation (1Y)
0.77
last 12 months
Correlation (5Y)
0.74
long-run
Ann. covariance
1510.2
%² · weekly, annualized

How correlated are MPC and PBF?

On 3 years of weekly data the MPC/PBF correlation comes out at 0.75, strong. The relationship has been stable: the 1-year correlation (0.77) sits close to the 3-year figure. The 5-year figure is 0.74, and annualized covariance runs at 1510.2 %².

Within MPC's tracked universe of 29 assets, PBF comes in at #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PBF outperformed by 59.2 percentage points (+107.8% for MPC against +167.0% for PBF). Note the risk asymmetry: PBF runs 1.7 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.

MPC vs PBF: side by side

MPC (Marathon Petroleum)PBF (PBF Energy Inc.)
1-year return+107.8%+167.0%
5-year return+589.6%+642.1%
Volatility (ann.)34.2%58.6%
Beta vs S&P 5000.480.47
Max drawdown (3Y)-44.7%-76.0%
Market cap$102.1B$8.1B
P/E (trailing)12.66.1
Dividend yield1.10%1.58%
Sector / categoryEnergyUS Listed
Lower P/E: PBF 6.1 vs 12.6Higher yield: PBF 1.58% vs 1.10%Smaller drawdown: MPC -44.7% vs -76.0%Higher 5y return: PBF +642.1% vs +589.6%
-9%0%+165%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). MPC · PBF

Year-by-year returns

YearMPCPBF
2022+86.6%+215.8%
2023+30.5%+10.0%
2024-4.1%-38.0%
2025+19.2%+6.8%
2026+126.1%+157.6%

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

Are MPC and PBF good diversifiers for each other?

To a limited degree. At 0.75 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between MPC and PBF?

Using weekly returns as of 2026-08-27: 0.75 over 3 years, with 0.77 over the last year and 0.74 over 5 years.

Is PBF a good diversifier for MPC?

To a limited degree. At 0.75 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.75 mean?

On the −1 to +1 scale, 0.75 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/mpc-vs-pbf.json

MPC vs PBF: 3-year weekly correlation 0.75MPC vs PBF0.75

Markdown for the live badge, attribution link included:

[![MPC vs PBF correlation](https://www.pairbook.io/api/v1/badge/mpc-vs-pbf.svg)](https://www.pairbook.io/pair/mpc-vs-pbf/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: MPC correlations · PBF correlations