WestlakeWLK.NValuation Analysis
Based on the blended 10-year P/E and P/B percentiles, the stock currently sits in the “Deeply Undervalued” zone.
As of Oct 16, 2026, Westlake (WLK.N) trades at a negative P/E (-6.55x, due to a recent net loss), P/B of 0.93x, P/S of 0.72x, and a dividend yield of 2.52%.
Longitudinal percentile comparison: P/E historical percentile is still accumulating data over the trailing long-term window (vs. the short-term percentile still accumulating data); P/B sits at the 4th percentile over the trailing 10Y window (vs. 8th percentile over 3Y); P/S sits at the 3rd percentile over the trailing 10Y window (vs. 2nd percentile over 3Y).
Cross-sectional valuation: its P/B ranks at the 21st percentile within its industry and the 27th percentile across the broader market.
Shareholder return highlight: Total Shareholder Yield is 3.30%, ranking at the 88th percentile over the trailing 20Y window.
Its P/B percentile is roughly the same whether measured against the industry or the broader market. Breaking down the total shareholder yield: 2.52% comes from cash dividends, with an implied ~0.78% from buybacks — a fairly balanced mix of both channels. Westlake operates in the Manufacturing sector. Data refreshes weekly and is for reference only, not investment advice.
Also listed as: NYSE: WLK · WLK
Want the full picture on whether Westlake (WLK.N) is under- or over-valued? See the full 3Y / 5Y / 10Y / 20Y P/E, P/B, P/S, Dividend Yield & Total Shareholder Yield percentile matrix and the interactive ECharts trend chart on this page.
Historical Percentiles by Metric
| Metric | Current | Market Percentile | Industry Percentile | 3Y Pctl | 5Y Pctl | 10Y Pctl | 20Y Pctl |
|---|---|---|---|---|---|---|---|
| P/E (TTM) | -6.55 | Negative | Negative | Negative | Negative | Negative | Negative |
| P/B (MRQ) | 0.93 | ||||||
| P/S (TTM) | 0.72 | ||||||
| Dividend Yield | 2.52% | ||||||
| Buyback + Div Yield | 3.30% |