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Westlake Chemical Partners LPWLKP +0.14%84 Median PS Value is $21.57 as of Jul. 22, 2026, which is 1683% above its 10-year median of 1.21. GuruFocus rates WLKP with a GF Score™ of 84/100 and a GF Value™ of $24.32 (Fairly Valued). The stock has 6 warning signs investors should review. Among 911 Chemicals companies, Westlake Chemical Partners LP ranks worse than 53.57% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for Westlake Chemical Partners LP's Median PS Value or its related term are showing as below:
WLKP'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 0.95 Med: 1.21 Max: 1.29
Current: 1.02
During the past 13 years, the highest Price to Median PS Value of Westlake Chemical Partners LP was 1.29. The lowest was 0.95. And the median was 1.21.
WLKP's Price-to-Median-PS-Value is ranked worse than 53.57% of 911
companies
in the Chemicals industry
Industry Median: 0.97
vs WLKP: 1.02
Westlake Chemical Partners LP (NYSE:WLKP) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Westlake Chemical Partners LP's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
22.03
/
21.57
=
1.02
* 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 Chemical Partners LP Median PS Value Related Terms
Westlake Chemical Partners LP Median PS Value Historical Data
* 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 Chemical Partners LP Median PS Value Chart
WLKP vs LXU, ASPI, ASIX: Median PS Value Comparison
For the Chemicals subindustry, Westlake Chemical Partners LP's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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 Chemical Partners LP Price-to-Median-PS-Value vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Westlake Chemical Partners LP's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Westlake Chemical Partners LP's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 0.6156.
Westlake Chemical Partners LP's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $35.038.
* 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 Chemical Partners LP (WLKP) has a Median PS Value of $21.57 as of Jul. 22, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Westlake Chemical Partners LP and its competitors. This is 1683% above median its historical median of 1.21. Over the past decade, Westlake Chemical Partners LP's Median PS Value has ranged from 0.95 to 1.29. According to the industry distribution chart, Westlake Chemical Partners LP ranks #488 out of 911 companies in the Chemicals industry, placing it in the top 53.6%.
Is Westlake Chemical Partners LP's Median PS Value too high?
Westlake Chemical Partners LP's current Median PS Value of $21.57 is 1683% above median its 10-year median of 1.21. Over the past 10 years, this metric has ranged from a low of 0.95 to a high of 1.29. The Chemicals industry median Median PS Value is 0.97. Westlake Chemical Partners LP's value of $21.57 is 2123.7% above this industry median. Based on the distribution chart, Westlake Chemical Partners LP ranks #488 out of 911 companies in the Chemicals industry, which is below the industry midpoint. Overall, Westlake Chemical Partners LP has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Westlake Chemical Partners LP's Median PS Value compare to LXU and ASPI?
According to the Chemicals industry distribution chart, Westlake Chemical Partners LP ranks #488 out of 911 companies for Median PS Value. This places Westlake Chemical Partners LP in the lower half of its industry. The industry median Median PS Value is 0.97. Westlake Chemical Partners LP's value of $21.57 is 2123.7% above this benchmark. Historically, Westlake Chemical Partners LP's own Median PS Value has ranged from 0.95 to 1.29 over the past decade. While the company's 10-year median is 1.21 vs. the industry median of 0.97, Westlake Chemical Partners LP has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Median PS Value for a Chemicals company?
The median Median PS Value among Chemicals companies is 0.97, based on 911 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westlake Chemical Partners LP's current Median PS Value of $21.57 is 2123.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Westlake Chemical Partners LP and its competitors. For the Chemicals industry, the median Median PS Value is 0.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westlake Chemical Partners LP's current Median PS Value is $21.57, which is 1683% above median its own 10-year median of 1.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westlake Chemical Partners LP stock overvalued right now?
Based on GuruFocus' analysis, Westlake Chemical Partners LP (WLKP) is currently considered Fairly Valued. The stock's GF Value™ is $24.32, compared to a current price of $22.03 — trading 9.4% below its estimated fair value. The current Median PS Value is $21.57, which is 1683% above median its 10-year median of 1.21 and 2123.7% above the Chemicals industry median of 0.97. Westlake Chemical Partners LP's overall GF Score™ is 84/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Westlake Chemical Partners LP (WLKP), the current Median PS Value is $21.57 as of Jul. 22, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Westlake Chemical Partners LP (WLKP) Overvalued in 2026?
Based on GuruFocus' analysis, Westlake Chemical Partners LP stock appears to be undervalued.
The current stock price of $22.03 is trading 9.4% below its estimated GF Value™ of $24.32.
GuruFocus considers Westlake Chemical Partners LP to be Fairly Valued.
Key valuation signals for WLKP:
Median PS Value: $21.57 (1683% above median its 10-year median of 1.21)
GF Value™: $24.32 vs. price of $22.03 (9.4% below fair value)
Industry Position: 2123.7% above the Chemicals median (#488 of 911)
No single metric tells the full story. See the WLKP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Westlake Chemical Partners LP Business Description
Westlake Chemical Partners LP is a part of the chemical industry in the United States. Its operations are conducted through OpCo, it acquires and develops ethylene production facilities, which convert ethane into ethylene. OpCo sells ethylene and its co-products, such as propylene, crude butadiene, pyrolysis gasoline, and hydrogen, to Westlake and other customers located in the United States. Its assets include three ethylene production facilities in Calvert City, Kentucky, and Lake Charles, Louisiana.
84GF Score
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