GPRE vs PSX: Correlation
Green Plains, Inc. (GPRE) and Phillips 66 (PSX) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GPRE and PSX?
On 3 years of weekly data the GPRE/PSX correlation comes out at 0.49, moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. The 5-year figure is 0.46, and annualized covariance runs at 1028.1 %².
Among the 12 assets we track against GPRE, PSX ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PSX outperformed by 45.1 percentage points (+41.1% for GPRE against +86.2% for PSX). Note the risk asymmetry: GPRE runs 1.9 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.
GPRE vs PSX: side by side
| GPRE (Green Plains, Inc.) | PSX (Phillips 66) | |
|---|---|---|
| 1-year return | +41.1% | +86.2% |
| 5-year return | -58.5% | +301.8% |
| Volatility (ann.) | 62.5% | 33.4% |
| Beta vs S&P 500 | 0.65 | 0.58 |
| Max drawdown (3Y) | -90.3% | -44.4% |
| Market cap | $1.0B | $96.1B |
| P/E (trailing) | 8.9 | 13.8 |
| Dividend yield | 0.00% | 2.04% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | GPRE | PSX |
|---|---|---|
| 2022 | -12.3% | +49.6% |
| 2023 | -17.3% | +33.1% |
| 2024 | -62.4% | -11.6% |
| 2025 | +3.4% | +17.5% |
| 2026 | +43.3% | +89.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GPRE and PSX good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GPRE and PSX?
The GPRE/PSX correlation stands at 0.49 on a 3-year window (1 year: 0.47, 5 years: 0.46), computed from weekly returns as of 2026-08-27.
Is PSX a good diversifier for GPRE?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 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/gpre-vs-psx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/gpre-vs-psx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GPRE correlations · PSX correlations
