WLK PE Ratio & Valuation,Is WLK Overvalued

WLK Relative Valuation

WLK's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average, adjusted by weights. If the market price exceeds this fair value range, WLK is overvalued; if below, it's undervalued.

Historical Valuation

Westlake Corp (WLK) is now in the Undervalued zone, suggesting that its current forward PS ratio of 0.84 is considered Undervalued compared with the five-year average of 14.16. The fair price of Westlake Corp (WLK) is between 83.42 to 117.51 according to relative valuation methord. Compared to the current price of 77.43 USD , Westlake Corp is Undervalued By 7.18%.

Relative Value

Fair Zone

83.42-117.51

Current Price：77.43

7.18%

Undervalued

-91.25

10.48

EV/EBITDA

Westlake Corp. (WLK) has a current EV/EBITDA of 10.48. The 5-year average EV/EBITDA is 6.67. The thresholds are as follows: Strongly Undervalued below 2.98, Undervalued between 2.98 and 4.82, Fairly Valued between 8.51 and 4.82, Overvalued between 8.51 and 10.36, and Strongly Overvalued above 10.36. The current Forward EV/EBITDA of 10.48 falls within the Strongly Overvalued range.

-175.38

EV/EBIT

Westlake Corp. (WLK) has a current EV/EBIT of -175.38. The 5-year average EV/EBIT is 12.47. The thresholds are as follows: Strongly Undervalued below -149.16, Undervalued between -149.16 and -68.35, Fairly Valued between 93.28 and -68.35, Overvalued between 93.28 and 174.10, and Strongly Overvalued above 174.10. The current Forward EV/EBIT of -175.38 falls within the Strongly Undervalued range.

0.84

Westlake Corp. (WLK) has a current PS of 0.84. The 5-year average PS is 1.10. The thresholds are as follows: Strongly Undervalued below 0.64, Undervalued between 0.64 and 0.87, Fairly Valued between 1.34 and 0.87, Overvalued between 1.34 and 1.57, and Strongly Overvalued above 1.57. The current Forward PS of 0.84 falls within the Undervalued range.

10.09

P/OCF

Westlake Corp. (WLK) has a current P/OCF of 10.09. The 5-year average P/OCF is 6.81. The thresholds are as follows: Strongly Undervalued below 2.60, Undervalued between 2.60 and 4.71, Fairly Valued between 8.91 and 4.71, Overvalued between 8.91 and 11.02, and Strongly Overvalued above 11.02. The current Forward P/OCF of 10.09 falls within the Overvalued range.

202.37

P/FCF

Westlake Corp. (WLK) has a current P/FCF of 202.37. The 5-year average P/FCF is 18.69. The thresholds are as follows: Strongly Undervalued below -43.25, Undervalued between -43.25 and -12.28, Fairly Valued between 49.66 and -12.28, Overvalued between 49.66 and 80.63, and Strongly Overvalued above 80.63. The current Forward P/FCF of 202.37 falls within the Strongly Overvalued range.

Westlake Corp (WLK) has a current Price-to-Book (P/B) ratio of 1.01. Compared to its 3-year average P/B ratio of 1.45 , the current P/B ratio is approximately -30.28% higher. Relative to its 5-year average P/B ratio of 1.53, the current P/B ratio is about -34.25% higher. Westlake Corp (WLK) has a Forward Free Cash Flow (FCF) yield of approximately -3.84%. Compared to its 3-year average FCF yield of 5.60%, the current FCF yield is approximately -168.53% lower. Relative to its 5-year average FCF yield of 8.43% , the current FCF yield is about -145.53% lower.

1.01

P/B

Median3y

1.45

Median5y

1.53

-3.84

FCF Yield

Median3y

5.60

Median5y

8.43

Competitors Valuation Multiple

The average P/S ratio for WLK's competitors is 0.89, providing a benchmark for relative valuation. Westlake Corp Corp (WLK) exhibits a P/S ratio of 0.84, which is -6.12% above the industry average. Given its robust revenue growth of -8.95%, this premium appears unsustainable.

P/S

P/E

EV/EBITDA

EV/EBIT

Revenue Growth

Market Cap

Performance Decomposition

Market capitalization of WLK decreased by 34.83% over the past 1 year. The primary factor behind the change was an decrease in P/E Change from -1.14 to -10.00.

The secondary factor is the Revenue Growth, contributed -8.95%to the performance.

Overall, the performance of WLK in the past 1 year is driven by P/E Change. Which is more unsustainable.

-8.95%

3.12B → 2.84B

Revenue Growth

-806.49%

3.85 → -27.20

Margin Expansion

780.61%

-1.14 → -10.00

P/E Change

-34.83%

114.27 → 74.47

Mkt Cap Growth

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Frequently Asked Questions

Is Westlake Corp (WLK) currently overvalued or undervalued?

What is Westlake Corp (WLK) fair value?

WLK's fair value is calculated using relative valuation, based on historical P/E and P/S ranges and their premiums/discounts relative to a competitor average , adjusted by weights. The fair price of Westlake Corp (WLK) is between 83.42 to 117.51 according to relative valuation methord.

How does WLK's valuation metrics compare to the industry average?

What is the current P/B ratio for Westlake Corp (WLK) as of Jan 08 2026?

As of Jan 08 2026, Westlake Corp (WLK) has a P/B ratio of 1.01. This indicates that the market values WLK at 1.01 times its book value.

What is the current FCF Yield for Westlake Corp (WLK) as of Jan 08 2026?

As of Jan 08 2026, Westlake Corp (WLK) has a FCF Yield of -3.84%. This means that for every dollar of Westlake Corp’s market capitalization, the company generates -3.84 cents in free cash flow.

What is the current Forward P/E ratio for Westlake Corp (WLK) as of Jan 08 2026?

As of Jan 08 2026, Westlake Corp (WLK) has a Forward P/E ratio of -91.25. This means the market is willing to pay $-91.25 for every dollar of Westlake Corp’s expected earnings over the next 12 months.

What is the current Forward P/S ratio for Westlake Corp (WLK) as of Jan 08 2026?

As of Jan 08 2026, Westlake Corp (WLK) has a Forward P/S ratio of 0.84. This means the market is valuing WLK at $0.84 for every dollar of expected revenue over the next 12 months.

WLK Valuation