ASIX vs LYB: Correlation
How closely do AdvanSix Inc. (ASIX) and LyondellBasell (LYB) 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 ASIX and LYB?
Across a 3-year window, the weekly returns of ASIX and LYB correlate at 0.58, moderate. Little has changed lately, as the 1-year reading of 0.60 lands near the 3-year figure. Stretching to 5 years gives 0.58, with an annualized covariance of 897.8 %².
Few assets follow ASIX as closely as LYB, which ranks #2 of 11 tracked partners. The last year tells two different stories: LYB led by 37.6 percentage points, -18.5% for ASIX against +19.1% for LYB.
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.
ASIX vs LYB: side by side
| ASIX (AdvanSix Inc.) | LYB (LyondellBasell) | |
|---|---|---|
| 1-year return | -18.5% | +19.1% |
| 5-year return | -49.2% | -12.8% |
| Volatility (ann.) | 45.7% | 33.7% |
| Beta vs S&P 500 | 0.50 | 0.42 |
| Max drawdown (3Y) | -55.2% | -55.4% |
| Market cap | $0.4B | $20.4B |
| P/E (trailing) | – | – |
| Dividend yield | 3.87% | 6.58% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | ASIX | LYB |
|---|---|---|
| 2022 | -18.5% | -1.0% |
| 2023 | -19.7% | +20.7% |
| 2024 | -2.7% | -17.4% |
| 2025 | -37.3% | -36.0% |
| 2026 | -3.0% | +50.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASIX and LYB good diversifiers for each other?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ASIX and LYB?
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 LYB a good diversifier for ASIX?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
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/asix-vs-lyb.json
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[](https://www.pairbook.io/pair/asix-vs-lyb/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ASIX correlations · LYB correlations
