MPC vs PTEN: Correlation
Measured on weekly returns over the past three years, Marathon Petroleum (MPC) and Patterson-UTI Energy, Inc. (PTEN) carry a correlation of 0.64, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPC and PTEN?
On 3 years of weekly data the MPC/PTEN correlation comes out at 0.64, strong. Little has changed lately, as the 1-year reading of 0.64 lands near the 3-year figure. The 5-year figure is 0.62, and annualized covariance runs at 1071.1 %².
Among the 29 assets we track against MPC, PTEN ranks #14 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PTEN outperformed by 17.6 percentage points (+107.8% for MPC against +125.4% for PTEN).
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 PTEN: side by side
| MPC (Marathon Petroleum) | PTEN (Patterson-UTI Energy, Inc.) | |
|---|---|---|
| 1-year return | +107.8% | +125.4% |
| 5-year return | +589.6% | +84.8% |
| Volatility (ann.) | 34.2% | 48.6% |
| Beta vs S&P 500 | 0.48 | 0.60 |
| Max drawdown (3Y) | -44.7% | -64.6% |
| Market cap | $102.1B | $4.7B |
| P/E (trailing) | 12.6 | – |
| Dividend yield | 1.10% | 3.06% |
| Sector / category | Energy | US Listed |
Year-by-year returns
| Year | MPC | PTEN |
|---|---|---|
| 2022 | +86.6% | +101.7% |
| 2023 | +30.5% | -34.2% |
| 2024 | -4.1% | -21.0% |
| 2025 | +19.2% | -22.1% |
| 2026 | +126.1% | +104.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPC and PTEN good diversifiers for each other?
Only partially. A correlation of 0.64 means MPC and PTEN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between MPC and PTEN?
As of 2026-08-27, the correlation of weekly returns between MPC and PTEN is 0.64 over 3 years, 0.64 over 1 year and 0.62 over 5 years.
Is PTEN a good diversifier for MPC?
Only partially. A correlation of 0.64 means MPC and PTEN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.64 mean?
On the −1 to +1 scale, 0.64 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/mpc-vs-pten.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mpc-vs-pten/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MPC correlations · PTEN correlations
