LYB vs MUSA: Correlation
How closely do LyondellBasell (LYB) and Murphy USA Inc. (MUSA) trade together? Their weekly returns over three years give a correlation of 0.32, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LYB and MUSA?
Over the past 3 years, LYB and MUSA moved with a correlation of 0.32, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.44 versus 0.32 over 3 years. Over 5 years the correlation is 0.26, and the annualized covariance of weekly returns is 367.0 %².
By 3-year correlation, MUSA places #22 of the 36 assets tracked against LYB. Their recent paths diverged sharply: over the last 12 months MUSA outperformed by 16.2 percentage points (+19.1% for LYB against +35.3% for MUSA).
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.
LYB vs MUSA: side by side
| LYB (LyondellBasell) | MUSA (Murphy USA Inc.) | |
|---|---|---|
| 1-year return | +19.1% | +35.3% |
| 5-year return | -12.8% | +234.8% |
| Volatility (ann.) | 33.7% | 33.7% |
| Beta vs S&P 500 | 0.42 | 0.06 |
| Max drawdown (3Y) | -55.4% | -35.5% |
| Market cap | $20.4B | $9.4B |
| P/E (trailing) | – | 16.3 |
| Dividend yield | 6.58% | 0.46% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | LYB | MUSA |
|---|---|---|
| 2022 | -1.0% | +41.0% |
| 2023 | +20.7% | +28.2% |
| 2024 | -17.4% | +41.3% |
| 2025 | -36.0% | -19.1% |
| 2026 | +50.5% | +26.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LYB and MUSA good diversifiers for each other?
Reasonably. At 0.32, LYB and MUSA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LYB and MUSA?
The LYB/MUSA correlation stands at 0.32 on a 3-year window (1 year: 0.44, 5 years: 0.26), computed from weekly returns as of 2026-08-27.
Is MUSA a good diversifier for LYB?
Reasonably. At 0.32, LYB and MUSA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.32 mean?
On the −1 to +1 scale, 0.32 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/lyb-vs-musa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lyb-vs-musa/)
The core API is free. Terms and every endpoint in the API documentation.
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Hubs: LYB correlations · MUSA correlations