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.
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.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Westlake Chemical Partners LP's Inventory Turnover for the
three
months ended in Mar. 2026 was 72.30.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Westlake Chemical Partners LP's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.01.
Westlake Chemical Partners LP (NYSE:WLKP) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Westlake Chemical Partners LP's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Westlake Chemical Partners LP's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Westlake Chemical Partners LP Days Inventory Related Terms
Westlake Chemical Partners LP Days Inventory 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 Days Inventory Chart
WLKP vs LXU, ASPI, ASIX: Days Inventory Comparison
For the Chemicals subindustry, Westlake Chemical Partners LP's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Westlake Chemical Partners LP's Days Inventory distribution charts can be found below:
* The bar in red indicates where Westlake Chemical Partners LP's Days Inventory falls into.
* 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 Days Inventory of 1.26 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Westlake Chemical Partners LP and its competitors. This is 39% below median its historical median of 2.06. Over the past decade, Westlake Chemical Partners LP's Days Inventory has ranged from 1.29 to 2.92. According to the industry distribution chart, Westlake Chemical Partners LP ranks #7 out of 1542 companies in the Chemicals industry, placing it in the top 0.5%.
Is Westlake Chemical Partners LP's Days Inventory too high?
Westlake Chemical Partners LP's current Days Inventory of 1.26 is 39% below median its 10-year median of 2.06. Over the past 10 years, this metric has ranged from a low of 1.29 to a high of 2.92. The Chemicals industry median Days Inventory is 80.37. Westlake Chemical Partners LP's value of 1.26 is 98.4% below this industry median. Based on the distribution chart, Westlake Chemical Partners LP ranks #7 out of 1542 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. 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 Days Inventory compare to LXU and ASPI?
According to the Chemicals industry distribution chart, Westlake Chemical Partners LP ranks #7 out of 1542 companies for Days Inventory. This places Westlake Chemical Partners LP in the top 1% of its industry — outperforming the majority of peers. The industry median Days Inventory is 80.37. Westlake Chemical Partners LP's value of 1.26 is 98.4% below this benchmark. Historically, Westlake Chemical Partners LP's own Days Inventory has ranged from 1.29 to 2.92 over the past decade. While the company's 10-year median is 2.06 vs. the industry median of 80.37, Westlake Chemical Partners LP has consistently been below 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 Days Inventory for a Chemicals company?
The median Days Inventory among Chemicals companies is 80.37, based on 1,542 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westlake Chemical Partners LP's current Days Inventory of 1.26 is 98.4% below 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Westlake Chemical Partners LP and its competitors. For the Chemicals industry, the median Days Inventory is 80.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westlake Chemical Partners LP's current Days Inventory is 1.26, which is 39% below median its own 10-year median of 2.06. 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 $24.33, compared to a current price of $22.03 — trading 9.5% below its estimated fair value. The current Days Inventory is 1.26, which is 39% below median its 10-year median of 2.06 and 98.4% below the Chemicals industry median of 80.37. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Westlake Chemical Partners LP (WLKP), the current Days Inventory is 1.26 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 $22.03 is trading 9.5% below its estimated GF Value™ of $24.33.
GuruFocus considers Westlake Chemical Partners LP to be Fairly Valued.
Key valuation signals for WLKP:
Days Inventory: 1.26 (39% below median its 10-year median of 2.06)
GF Value™: $24.33 vs. price of $22.03 (9.5% below fair value)
Industry Position: 98.4% below the Chemicals median (#7 of 1542)
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
Get the complete analysis for WLKP
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
WLKP has been successfully added to your 
