MPC vs PARR: Correlation
Measured on weekly returns over the past three years, Marathon Petroleum (MPC) and Par Pacific Holdings, Inc. (PARR) carry a correlation of 0.71, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPC and PARR?
Across a 3-year window, the weekly returns of MPC and PARR correlate at 0.71, strong. Recent behaviour matches the longer record: 0.77 over 1 year against 0.71 over 3. Stretching to 5 years gives 0.72, with an annualized covariance of 1251.1 %².
By 3-year correlation, PARR places #8 of the 29 assets tracked against MPC. Correlation aside, the last 12 months split them widely, with PARR ahead by 17.7 points (+107.8% versus +125.5%).
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 PARR: side by side
| MPC (Marathon Petroleum) | PARR (Par Pacific Holdings, Inc.) | |
|---|---|---|
| 1-year return | +107.8% | +125.5% |
| 5-year return | +589.6% | +375.6% |
| Volatility (ann.) | 34.2% | 51.3% |
| Beta vs S&P 500 | 0.48 | 0.13 |
| Max drawdown (3Y) | -44.7% | -69.7% |
| Market cap | $102.1B | $3.9B |
| P/E (trailing) | 12.6 | 4.4 |
| Dividend yield | 1.10% | 0.00% |
| Sector / category | Energy | US Listed |
Year-by-year returns
| Year | MPC | PARR |
|---|---|---|
| 2022 | +86.6% | +41.0% |
| 2023 | +30.5% | +56.4% |
| 2024 | -4.1% | -54.9% |
| 2025 | +19.2% | +114.4% |
| 2026 | +126.1% | +119.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPC and PARR good diversifiers for each other?
Only partially. A correlation of 0.71 means MPC and PARR 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 PARR?
As of 2026-08-27, the correlation of weekly returns between MPC and PARR is 0.71 over 3 years, 0.77 over 1 year and 0.72 over 5 years.
Is PARR a good diversifier for MPC?
Only partially. A correlation of 0.71 means MPC and PARR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.71 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mpc-vs-parr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mpc-vs-parr/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MPC correlations · PARR correlations