WLK Westlake Chemical PE ratio, current and historical analysis
The current PE ratio for Westlake Chemical stock as of Apr 1, 2025 is 21.45. This is calculated based on the TTM EPS of $4.66 and the stock price of $99.98 per share. The PE ratio marks a decrease of 77% from its last 4 quarters average of 93.8.
WLK PE ratio history
The average historical PE ratio of Westlake Chemical for the last ten years is 22.14. The current P/E ratio of 21.45 is 3.1% lower than the historical average. Looking back at the last ten years, WLK's PE ratio peaked in the Sep 2024 quarter at 205.88, when the price was $150.29 and the EPS was $0.73. The lowest point was in the Sep 2022 quarter, when it reached 4.21 with a price of $86.88 and an EPS of $20.65.
Westlake Chemical PE ratio by year
Maximum annual increase: 539.18% in 2023
Maximum annual decrease: -80.47% in 2021
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 24.6 | -34.43% | $114.65 | $4.66 |
| 2023 | 37.52 | 539.18% | $139.96 | $3.73 |
| 2022 | 5.87 | -5.32% | $102.54 | $17.46 |
| 2021 | 6.2 | -80.47% | $97.13 | $15.66 |
| 2020 | 31.75 | 47.54% | $81.6 | $2.57 |
| 2019 | 21.52 | 149.07% | $70.15 | $3.26 |
| 2018 | 8.64 | -18.49% | $66.17 | $7.66 |
| 2017 | 10.6 | -41.89% | $106.53 | $10.05 |
| 2016 | 18.24 | 63.88% | $55.99 | $3.07 |
| 2015 | 11.13 | -7.25% | $54.32 | $4.88 |
| 2014 | 12 | -10.18% | $61.09 | $5.09 |
| 2013 | 13.36 | -2.62% | $61.04 | $4.57 |
| 2012 | 13.72 | 32.95% | $39.65 | $2.89 |
| 2011 | 10.32 | -20.25% | $20.12 | $1.95 |
| 2010 | 12.94 | -58.47% | $21.74 | $1.68 |
Westlake Chemical PE ratio by quarter (TTM)
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Dec 2024 | 24.6 | -88.05% | $114.65 | $4.66 |
| Sep 2024 | 205.88 | 199.94% | $150.29 | $0.73 |
| Jun 2024 | 68.64 | -9.71% | $144.82 | $2.11 |
| Mar 2024 | 76.02 | 102.61% | $152.8 | $2.01 |
| Dec 2023 | 37.52 | 183.6% | $139.96 | $3.73 |
| Sep 2023 | 13.23 | 14.25% | $124.67 | $9.42 |
| Jun 2023 | 11.58 | 46.21% | $119.47 | $10.32 |
| Mar 2023 | 7.92 | 34.92% | $115.98 | $14.65 |
| Dec 2022 | 5.87 | 39.43% | $102.54 | $17.46 |
| Sep 2022 | 4.21 | -4.54% | $86.88 | $20.65 |
| Jun 2022 | 4.41 | -29.78% | $98.02 | $22.24 |
| Mar 2022 | 6.28 | 1.29% | $123.4 | $19.65 |
| Dec 2021 | 6.2 | -21.52% | $97.13 | $15.66 |
| Sep 2021 | 7.9 | -36.24% | $91.14 | $11.53 |
| Jun 2021 | 12.39 | -53.66% | $90.09 | $7.27 |
WLK average PE ratio chart
WLK's current PE ratio is lower than its 3, 5 and 10-year averages.
WLK PE vs peers
WLK's PE ratio stands lower than its peer stocks HON and PSX, but it is higher than XOM's and EMN's. Westlake Chemical is currently trading at a higher PE ratio (21.45) than its peers average of 20.61.
| Stock name | PE ratio | Market cap |
|---|---|---|
| EMN Eastman Chemical Co | 11.37 | $10.14B |
| XOM Exxon Mobil Corp | 15.18 | $516.53B |
| WLK Westlake Chemical Corp | 21.45 | $12.82B |
| DOW Dow Inc | 22.04 | $24.36B |
| HON Honeywell International Inc | 24.37 | $138.73B |
| PSX Phillips 66 | 24.82 | $50.7B |
| OLN OLIN Corp | 25.86 | $2.75B |
| HUN Huntsman CORP | N/A | $2.67B |
| ALB Albemarle Corp | N/A | $8.44B |
| CE Celanese Corp | N/A | $6.09B |
Frequently asked questions
What is Westlake Chemical's PE ratio?
The price to earnings ratio for WLK stock is 21.45 as of Apr 1, 2025.
What is the 3-year average PE ratio for Westlake Chemical (WLK)?
The 3-year average price to earnings ratio for WLK stock is 41.81.
What is the 5-year average PE ratio for Westlake Chemical (WLK)?
The 5-year average price to earnings ratio for WLK stock is 31.42.
What is the highest PE ratio for WLK?
The highest quarterly PE ratio in the last ten years has been 205.88 and it was in the Sep 2024 quarter.
How does the current PE ratio for WLK compare to its historical average?
The current PE ratio of WLK is 3.1% lower than the 10-year historical average.
How is WLK's PE ratio calculated (Westlake Chemical PE ratio formula)?
The P/E ratio is obtained by dividing the latest price of a stock by its trailing twelve months EPS. As of today (Apr 1, 2025), Westlake Chemical's share price is $99.98. The company's earnings per share for the trailing twelve months (TTM) ending Dec 2024 is $4.66. Therefore, Westlake Chemical's PE ratio for today is 21.45. PE RATIO(21.45) = STOCK PRICE($99.98) / TTM EPS($4.66)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified. Data from 
and Sharadar.