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Stocks / WLK / P/E Ratio

Westlake Corporation P/E Ratio 2009–2025

Westlake Corporation (WLK) annual price-to-earnings ratio by fiscal year, computed from SEC filings. Compound growth +4.4%/yr over 16 years.

Fiscal yearP/E RatioChange (YoY)
FY 2025
FY 202423.80-33.7%
FY 202335.91+548.5%
FY 20225.54-4.0%
FY 20215.77-80.2%
FY 202029.13+50.5%
FY 201919.36+152.6%
FY 20187.67-17.7%
FY 20179.31-41.1%
FY 201615.82+66.8%
FY 20159.48-6.2%
FY 201410.11-9.5%
FY 201311.18-1.9%
FY 201211.40+181.0%
FY 20114.06-59.8%
FY 201010.09-15.5%
FY 200911.94

Source: Westlake Corporation SEC filings — fiscal-year-end price ÷ diluted EPS. Refreshed nightly.

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Westlake Corporation — frequently asked questions

What is Westlake Corporation's price-to-earnings ratio?

Westlake Corporation (WLK) reported price-to-earnings ratio of 23.80 for fiscal year 2024, per its SEC filings.

How has Westlake Corporation's price-to-earnings ratio changed over time?

Between fiscal 2009 and 2025, WLK's price-to-earnings ratio grew at roughly 4.4% per year (compound annual rate), from 11.94 to 23.80.

Where does this data come from?

Figures are computed from Westlake Corporation's official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.

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