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WLK Westlake Chemical PE ratio, current and historical analysis

The current PE ratio for Westlake Chemical stock as of Jul 8, 2025 is 27.69. This is calculated based on the TTM EPS of $3 and the stock price of $83.07 per share. The PE ratio marks a decrease of 67% from its last 4 quarters average of 83.1.

WLK PE ratio history

How has WLK's PE ratio performed in the past

The average historical PE ratio of Westlake Chemical for the last ten years is 22.66. The current P/E ratio of 27.69 is 22% higher 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.

Today
27.69
Average
22.66
Median
12.39
Minimum
4.21
Maximum
205.88

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
Mar 2025 33.34 35.53% $100.03 $3
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

WLK Price vs fair value

How does WLK's price compare to its estimated fair value based on its growth

WLK average PE ratio chart

What is the average PE ratio of WLK for the past years

WLK's current PE ratio is higher than the 10-year average, but it is lower than its 3 and 5-year averages.

3-year avg
44.44
5-year avg
32.24
10-year avg
22.66
15-year avg
19.52

WLK PE vs peers

What is WLK's PE ratio compared to its peers

WLK's PE ratio stands lower than its peer stocks PSX and DOW, but it is higher than XOM's and HON's. Westlake Chemical is currently trading at a higher PE ratio (27.69) than its peers average of 24.94.

Stock name PE ratio Market cap
EMN Eastman Chemical Co 10.14 $9.29B
XOM Exxon Mobil Corp 15.14 $492.12B
HON Honeywell International Inc 27.41 $154.12B
WLK Westlake Chemical Corp 27.69 $10.65B
PSX Phillips 66 29.28 $52.99B
OLN OLIN Corp 42.73 $2.56B
DOW Dow Inc 72.65 $20.54B
HUN Huntsman CORP N/A $1.96B
ALB Albemarle Corp N/A $8.26B
CE Celanese Corp N/A $6.6B

Frequently asked questions

What is Westlake Chemical's PE ratio?

The price to earnings ratio for WLK stock is 27.69 as of Jul 8, 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 44.44.

What is the 5-year average PE ratio for Westlake Chemical (WLK)?

The 5-year average price to earnings ratio for WLK stock is 32.24.

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 22% higher 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 (Jul 8, 2025), Westlake Chemical's share price is $83.07. The company's earnings per share for the trailing twelve months (TTM) ending Mar 2025 is $3. Therefore, Westlake Chemical's PE ratio for today is 27.69. PE RATIO(27.69) = STOCK PRICE($83.07) / TTM EPS($3)

All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.