ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. Westlake Chemical Partners LP's annualized return on capital (ROC %) for the quarter that ended in Mar. 2026 was 29.80%.
As of today (2026-06-24), Westlake Chemical Partners LP's WACC % is 6.13%. Westlake Chemical Partners LP's ROC % is 30.66% (calculated using TTM income statement data).
Westlake Chemical Partners LP generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.
Westlake Chemical Partners LP (NYSE:WLKP) ROC % Explanation
ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. The reason book values of debt and equity are used is because the book values are the capital the company received when issuing the debt or receiving the equity investments.
There are four key components to this definition. The first is the use of operating income or EBIT rather than net income in the numerator. The second is the tax adjustment to this operating income or EBIT, computed as a hypothetical tax based on an effective or marginal tax rate. The third is the use of book values for invested capital, rather than market values. The final is the timing difference; the capital invested is from the end of the prior year whereas the operating income or EBIT is the current year's number.
Why is ROC % important?
Because it costs money to raise capital. A firm that generates higher returns on investment than it costs the company to raise the capital needed for that investment is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases, whereas a firm that earns returns that do not match up to its cost of capital will destroy value as it grows.
As of today, Westlake Chemical Partners LP's WACC % is 6.13%. Westlake Chemical Partners LP's ROC % is 30.66% (calculated using TTM income statement data).
Westlake Chemical Partners LP generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.
Be Aware
Like ROE % and ROA %, ROC % is calculated with only 12 months of data. Fluctuations in the company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.
Westlake Chemical Partners LP ROC % Related Terms
Westlake Chemical Partners LP ROC % 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.
Note:
The Operating Income data used here is four times the quarterly (Mar. 2026) data.
The tax rate is limited to between 0% and 100%.
* 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 ROC % of 29.80% as of Mar. 2026. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Westlake Chemical Partners LP and its competitors.
Is Westlake Chemical Partners LP's ROC % too high?
Westlake Chemical Partners LP's current ROC % is 29.80%. The Chemicals industry median ROC % is 4.46. Westlake Chemical Partners LP's value of 29.80% is 568.2% above this industry median. Overall, Westlake Chemical Partners LP has a GF Score™ of 85/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Westlake Chemical Partners LP's ROC % compare to LXU and ASPI?
Westlake Chemical Partners LP's ROC % of 29.80% can be compared against companies in the Chemicals industry. The industry median ROC % is 4.46. Westlake Chemical Partners LP's value of 29.80% is 568.2% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC % for a Chemicals company?
The median ROC % among Chemicals companies is 4.46, based on 1,585 companies in the industry. Companies in the top quartile (top 25%) have a ROC % significantly above this median, while those in the bottom quartile fall well below. However, ROC % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westlake Chemical Partners LP's current ROC % of 29.80% is 568.2% 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 ROC % mean?
A high ROC % can signal that a stock is expensive relative to its fundamentals. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Westlake Chemical Partners LP and its competitors. For the Chemicals industry, the median ROC % is 4.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westlake Chemical Partners LP's current ROC % is 29.80%. 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 $24.08, compared to a current price of $22.65 — trading 5.9% below its estimated fair value. The current ROC % is 29.80% and 568.2% above the Chemicals industry median of 4.46. Westlake Chemical Partners LP's overall GF Score™ is 85/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC % calculated?
ROC % is calculated from a company's financial statements. For Westlake Chemical Partners LP (WLKP), the current ROC % is 29.80% as of Mar. 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 $22.65 is trading 5.9% below its estimated GF Value™ of $24.08.
GuruFocus considers Westlake Chemical Partners LP to be Fairly Valued.
Key valuation signals for WLKP:
ROC %: 29.80%
GF Value™: $24.08 vs. price of $22.65 (5.9% below fair value)
Industry Position: 568.2% above the Chemicals median
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.
85GF Score
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