Westlake (WLK) Inventory Turnover Ratio, from third quarter 2026 to third quarter 2025, current and historic results, rankings and more, Quarterly Fundamentals - CSIMarket
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Westlake Corporation  (NYSE: WLK)
 

Westlake Inventory Turnover Ratio (COS)

Cost of Sales Formula, Quarterly Results, Trends, Rankings, Statistics

Due to inventory build up in the third quarter 2026, Westlake's inventory turnover ratio sequentially decreased to 5.92 in the third quarter 2026, unsurprisingly, as the Westlake markets continue to deteriorate, and WLK's faces growing challenges to bring down its inventories. Westlake's average inventory processing period in the Sep 30 2026 quarter, has increased to 62 days, from 61 days, in the Jun 30 2026 quarter.

Within Basic Materials sector 67 other companies have achieved higher inventory turnover ratio. While Inventory turnover ratio total ranking has improved so far during the III Quarter 2026, to 642, from total ranking in the second quarter 2026 at 771.

WLK Inventory Turnover Ratio using Sales Formula
What is Inventory Turnover Ratio?
What is Westlake Corporation Market Share?

What is Inventory Turnover Ratio?



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WLK Inventory Turnover Ratio (Sep 30 2026)
III. Quarter		 (Jun 30 2026)
II. Quarter		 (Mar 31 2026)
I. Quarter		 (Dec 31 2025)
IV. Quarter		 (Sep 30 2025)
III. Quarter
Y / Y Inventory Growth 4.75 % 1.33 % -5.84 % -2.59 % -1.14 %
Y / Y Cost of Sales Growth -0.12 % -2.82 % -2.83 % -2.74 % -0.61 %
Inventory Turnover Ratio (TTM) 5.92 5.99 6.06 6.01 6.01
WLK's Total Ranking # 642 # 771 # 668 # 666 # 668
Average inventory processing period 62 61 60 61 61
Seq. Inventory Growth 3.14 % 4.59 % 1.45 % -4.28 % -0.23 %
Seq. Cost of Sales Growth -0.76 % 3.11 % 3.84 % -6 % -3.45 %




Inventory Turnover Ratio Company Ranking
Within: No.
Chemical Manufacturing Industry # 21
Basic Materials Sector # 68
Overall Market # 642

Inventory Turnover Ratio Statistics
High Average Low
7.77 6.57 4.76
(Jun 30 2021)   (Dec 31 2011)



WLK Company Profile >> Back to WLK Efficiency Comparisons >> Compare WLK Inventory Turnover Ratio to its Competitors

Financial Statements
Westlake's Inventories $ 1,809 Millions Visit WLK's Balance sheet
Westlake's Cost of Revenues TTM $ 10,204 Millions Visit WLK's Income Statement
What are WLK's Sales? Visit WLK's Sales by Segment

Other Inventory Turnover Ratios
Westlake's Inventory to Sales Ratio
U.S. Durable Goods Inventory to Shipment Ratio By Product
Chemical Manufacturing Industry Inventory Turnover Trends and Statistics
Basic Materials Sector Inventory Turnover Statistics
Inventory Turnover Trends for overall market
WLK's Inventory Turnover Ratio versus Chemical Manufacturing Industry, Basic Materials Sector and total Market
Highest Ranking Inventory Turnover
Lowest Ranking Inventory Turnover
Inventory Turnover for WLK's Competitors
Inventory Turnover Ratio for WLK's Suppliers
Inventory Turnover Ratio for WLK's Customers

You may also want to know
WLK's Sales Growth Rates WLK's Pe Price to earnings ratio WLK's Receivables Turnover Ratio WLK's Stock Quote
WLK's Net Income Growth Rates WLK's Ps Price to Sales ratio WLK's Sales per Employee WLK's Asset Turnover Ratio
WLK's Net Margin WLK's Pb Price to Book ratio WLK's Financial Strength Ratios WLK's Dividend Payout Ratio



Companies with similar Inventory Turnover Ratio for the quarter ending Sep 30 2026, within Basic Materials Sector Inventory Turnover Ratio Cost of revenues at quarter ending Sep 30 2026 Inventories at quarter ending Sep 30 2026
Sonoco Products Company  14.02 $ 5,881.055  Millions$ 420  Millions
Azz Inc   11.00 $ 1,322.437  Millions$ 120  Millions
Apogee Enterprises Inc   10.77 $ 1,100.799  Millions$ 102  Millions
Hawkins Inc   10.57 $ 883.819  Millions$ 84  Millions
Linde Plc  9.01 $ 18,893.000  Millions$ 2,096  Millions
Ranpak Holdings Corp   8.85 $ 279.000  Millions$ 32  Millions
Vulcan Materials Company  8.46 $ 5,808.200  Millions$ 687  Millions
Armstrong World Industries Inc   8.13 $ 1,050.500  Millions$ 129  Millions
Crh Public Limited Company  7.94 $ 24,843.000  Millions$ 3,131  Millions
Constellium Se  7.60 $ 8,435.000  Millions$ 1,111  Millions
Olin Corporation  7.57 $ 6,287.700  Millions$ 830  Millions
Lyondellbasell Industries N v   7.16 $ 27,394.000  Millions$ 3,829  Millions
Bluelinx Holdings Inc   7.11 $ 2,573.957  Millions$ 362  Millions
Commercial Metals Company  7.02 $ 7,642.218  Millions$ 1,089  Millions
Myers Industries Inc   6.86 $ 486.566  Millions$ 71  Millions
Avery Dennison Corporation  6.59 $ 6,664.400  Millions$ 1,011  Millions
Crown Holdings Inc   6.47 $ 11,218.000  Millions$ 1,734  Millions
Mueller Industries Inc  6.37 $ 3,638.850  Millions$ 571  Millions
Worthington Steel Inc   6.37 $ 4,748.200  Millions$ 746  Millions
United States Lime and Minerals Inc  6.31 $ 199.670  Millions$ 32  Millions
Boise Cascade Company  6.22 $ 5,493.854  Millions$ 883  Millions
Amrize Ltd  5.98 $ 9,237.000  Millions$ 1,544  Millions
Knife River Corporation  5.91 $ 2,786.444  Millions$ 472  Millions
Nwpx Infrastructure Inc   5.88 $ 476.792  Millions$ 81  Millions
Aptargroup inc  5.81 $ 3,268.737  Millions$ 563  Millions
Southern Copper Corp  5.76 $ 5,958.900  Millions$ 1,035  Millions
Element Solutions Inc  5.74 $ 2,213.700  Millions$ 386  Millions
O i Glass Inc   5.64 $ 5,493.000  Millions$ 974  Millions
Baker Hughes Company  5.59 $ 29,121.000  Millions$ 5,208  Millions
Clearwater Paper Corporation  5.57 $ 1,479.300  Millions$ 266  Millions

Date modified: 2026-11-05T07:50:39+00:00




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