LYB vs PTEN: Correlation
How closely do LyondellBasell (LYB) and Patterson-UTI Energy, Inc. (PTEN) trade together? Their weekly returns over three years give a correlation of 0.58, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LYB and PTEN?
Across a 3-year window, the weekly returns of LYB and PTEN correlate at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.60) sits close to the 3-year figure. Stretching to 5 years gives 0.58, with an annualized covariance of 955.9 %².
Within LYB's tracked universe of 36 assets, PTEN comes in at #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PTEN ahead by 106.3 points (+19.1% versus +125.4%).
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 PTEN: side by side
| LYB (LyondellBasell) | PTEN (Patterson-UTI Energy, Inc.) | |
|---|---|---|
| 1-year return | +19.1% | +125.4% |
| 5-year return | -12.8% | +84.8% |
| Volatility (ann.) | 33.7% | 48.6% |
| Beta vs S&P 500 | 0.42 | 0.60 |
| Max drawdown (3Y) | -55.4% | -64.6% |
| Market cap | $20.4B | $4.7B |
| P/E (trailing) | – | – |
| Dividend yield | 6.58% | 3.06% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | LYB | PTEN |
|---|---|---|
| 2022 | -1.0% | +101.7% |
| 2023 | +20.7% | -34.2% |
| 2024 | -17.4% | -21.0% |
| 2025 | -36.0% | -22.1% |
| 2026 | +50.5% | +104.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LYB and PTEN good diversifiers for each other?
Only partially. A correlation of 0.58 means LYB and PTEN 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 LYB and PTEN?
Using weekly returns as of 2026-08-27: 0.58 over 3 years, with 0.60 over the last year and 0.58 over 5 years.
Is PTEN a good diversifier for LYB?
Only partially. A correlation of 0.58 means LYB and PTEN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.58 mean?
A reading of 0.58 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/lyb-vs-pten.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lyb-vs-pten/)
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Related comparisons
Hubs: LYB correlations · PTEN correlations
