RYAM vs WLK: Correlation
Rayonier Advanced Materials Inc. (RYAM) and Westlake Corporation (WLK) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RYAM and WLK?
Across a 3-year window, the weekly returns of RYAM and WLK correlate at 0.45, moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. Stretching to 5 years gives 0.37, with an annualized covariance of 1058.0 %².
In RYAM's tracked universe of 11 assets, WLK sits right near the top at #1. The last year tells two different stories: RYAM led by 71.3 percentage points, +59.5% for RYAM against -11.8% for WLK. Risk is not evenly split, since RYAM carries 1.6 times the volatility of the other side.
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.
RYAM vs WLK: side by side
| RYAM (Rayonier Advanced Materials Inc.) | WLK (Westlake Corporation) | |
|---|---|---|
| 1-year return | +59.5% | -11.8% |
| 5-year return | +22.2% | -8.0% |
| Volatility (ann.) | 60.5% | 39.0% |
| Beta vs S&P 500 | 1.27 | 0.82 |
| Max drawdown (3Y) | -63.7% | -64.2% |
| Market cap | $0.6B | $9.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 2.84% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RYAM | WLK |
|---|---|---|
| 2022 | +68.1% | +6.8% |
| 2023 | -57.8% | +38.4% |
| 2024 | +103.7% | -16.9% |
| 2025 | -28.6% | -33.8% |
| 2026 | +43.0% | +1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RYAM and WLK good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between RYAM and WLK?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.47 over the last year and 0.37 over 5 years.
Is WLK a good diversifier for RYAM?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ryam-vs-wlk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ryam-vs-wlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RYAM correlations · WLK correlations
