CLMT vs MPC: Correlation
How closely do Calumet, Inc (CLMT) and Marathon Petroleum (MPC) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLMT and MPC?
Across a 3-year window, the weekly returns of CLMT and MPC correlate at 0.49, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.64 versus 0.49 over 3 years. Stretching to 5 years gives 0.40, with an annualized covariance of 896.7 %².
Few assets follow CLMT as closely as MPC, which ranks #2 of 10 tracked partners. Their recent paths diverged sharply: over the last 12 months CLMT outperformed by 75.1 percentage points (+182.9% for CLMT against +107.8% for MPC). One caveat on sizing: CLMT is 1.6 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.
CLMT vs MPC: side by side
| CLMT (Calumet, Inc) | MPC (Marathon Petroleum) | |
|---|---|---|
| 1-year return | +182.9% | +107.8% |
| 5-year return | +582.1% | +589.6% |
| Volatility (ann.) | 53.8% | 34.2% |
| Beta vs S&P 500 | 0.97 | 0.48 |
| Max drawdown (3Y) | -61.9% | -44.7% |
| Market cap | $4.0B | $102.1B |
| P/E (trailing) | – | 12.6 |
| Dividend yield | 0.00% | 1.10% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | CLMT | MPC |
|---|---|---|
| 2022 | +27.9% | +86.6% |
| 2023 | +5.9% | +30.5% |
| 2024 | +23.2% | -4.1% |
| 2025 | -9.8% | +19.2% |
| 2026 | +130.3% | +126.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLMT and MPC good diversifiers for each other?
Reasonably. At 0.49, CLMT and MPC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CLMT and MPC?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.64 over the last year and 0.40 over 5 years.
Is MPC a good diversifier for CLMT?
Reasonably. At 0.49, CLMT and MPC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 mean?
A reading of 0.49 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: CLMT correlations · MPC correlations
