Westlake (LTS:0LVK) PEG Ratio: N/A (As of Jul. 27, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

LTS:0LVK Westlake Corp LTS:0LVK
67 GF Score
Price $73.92
GF Value $105.57
Valuation Possible Value Trap
! 4 Warning Signs
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What is Westlake PEG Ratio?

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Westlake's PE Ratio without NRI is 0.00. Westlake's 5-Year EBITDA growth rate is 0.00%. Therefore, Westlake's PEG Ratio for today is N/A.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Westlake's PEG Ratio or its related term are showing as below:


During the past 13 years, Westlake's highest PEG Ratio was 133.44. The lowest was 0.25. And the median was 1.11.


LTS:0LVK's PEG Ratio is not ranked *
in the Chemicals industry.
Industry Median: 2.1
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Westlake  (LTS:0LVK) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Westlake PEG Ratio Related Terms


Westlake PEG Ratio Historical Data

* Premium members only.

The historical data trend for Westlake's PEG Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Westlake PEG Ratio Chart

Westlake Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.72 0.30 0.75 2.20 0.00

Westlake Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4.59 111.84 0.00 0.00 0.00

LTS:0LVK vs SOLS, ESI, EMN: PEG Ratio Comparison

For the Specialty Chemicals subindustry, Westlake's PEG Ratio, along with its competitors' market caps and PEG Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Westlake PEG Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Westlake's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Westlake's PEG Ratio falls into.


LTS:0LVK
67GF Score
Westlake Corp LTS:0LVK
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Westlake PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Westlake's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=/0.00
=N/A

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

Is Westlake (LTS:0LVK) Overvalued in 2026?

Based on GuruFocus' analysis, Westlake stock appears to be undervalued. The current stock price of $73.92 is trading 30% below its estimated GF Value™ of $105.57. GuruFocus considers Westlake to be Possible Value Trap.

Key valuation signals for LTS:0LVK:

  • PEG Ratio: N/A
  • GF Value™: $105.57 vs. price of $73.92 (30% below fair value)
  • GF Score™: 67/100 with 4 warning signs

No single metric tells the full story. See the LTS:0LVK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Westlake Business Description

Address 2801 Post Oak Boulevard, Suite 600, Houston, TX, USA, 77056
Westlake is a forward-integrated commodity chemicals firm based in Houston. It began as a single low-density polyethylene plant and expanded its capabilities to include ethylene, vinyl chloride monomers, and polyvinyl chloride over the next two decades. The acquisition of Axiall in 2016 made it a North American leader in chlor-alkali and PVC. Today, Westlake has two defined segments: performance and essential materials, and housing and infrastructure products. The HIP segment began operating in 2022 following a series of acquisitions in the building products space. The firm aims to maximize the value of its chemical production by integrating with the HIP segment, realizing the higher margins of finished commercial goods.
67GF Score

Get the complete analysis for LTS:0LVK

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$73.92
Price
$105.57
GF Value