IDR vs MPC: Correlation
Idaho Strategic Resources, Inc. (IDR) and Marathon Petroleum (MPC) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IDR and MPC?
Over the past 3 years, IDR and MPC moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.35) than the 3-year average (-0.19). Over 5 years the correlation is -0.11, and the annualized covariance of weekly returns is -482.3 %².
Among the 18 assets we track against IDR, MPC ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MPC outperformed by 81.5 percentage points (+26.3% for IDR against +107.8% for MPC). One caveat on sizing: IDR is 2.2 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.
IDR vs MPC: side by side
| IDR (Idaho Strategic Resources, Inc.) | MPC (Marathon Petroleum) | |
|---|---|---|
| 1-year return | +26.3% | +107.8% |
| 5-year return | +702.8% | +589.6% |
| Volatility (ann.) | 73.6% | 34.2% |
| Beta vs S&P 500 | 0.68 | 0.48 |
| Max drawdown (3Y) | -50.0% | -44.7% |
| Market cap | $0.5B | $102.1B |
| P/E (trailing) | 22.6 | 12.6 |
| Dividend yield | 0.00% | 1.10% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | IDR | MPC |
|---|---|---|
| 2022 | -23.4% | +86.6% |
| 2023 | +11.1% | +30.5% |
| 2024 | +61.0% | -4.1% |
| 2025 | +295.5% | +19.2% |
| 2026 | -16.1% | +126.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IDR and MPC good diversifiers for each other?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between IDR and MPC?
As of 2026-08-27, the correlation of weekly returns between IDR and MPC is -0.19 over 3 years, -0.35 over 1 year and -0.11 over 5 years.
Is MPC a good diversifier for IDR?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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/idr-vs-mpc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/idr-vs-mpc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: IDR correlations · MPC correlations
