Westlake Inventory Turnover Ratio (COS)

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

Westlake Corporation inventory turnover ratio, the Westlake Corporation's ability to sell and replace its inventory in the first quarter 2026, sequentially increased to 6.06 in the first quarter 2026, yet the ratio remained below the average, as WLK's market remain challenging.Average inventory processing period, for the Westlake in Mar 31 2026 quarter, has decreased to 60 days, compare to 61 days, in the Dec 31 2025 quarter.

Within Basic Materials sector 65 other companies have achieved higher inventory turnover ratio. While in terms of ranking among all other companies, the company has moved form 427 in the fourth quarter 2025, to 438.

WLK Inventory Turnover Ratio using Sales Formula
What is Inventory Turnover Ratio?
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What is Inventory Turnover Ratio?

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WLK Inventory Turnover Ratio	(Mar 31 2026) I. Quarter	(Dec 31 2025) IV. Quarter	(Sep 30 2025) III. Quarter	(Jun 30 2025) II. Quarter	(Mar 31 2025) I. Quarter
Y / Y Inventory Growth	-5.84 %	-2.59 %	-1.14 %	2.79 %	7.22 %
Y / Y Cost of Sales Growth	-2.83 %	-2.74 %	-0.61 %	5.98 %	4.18 %
Inventory Turnover Ratio (TTM)	6.06	6.01	6.01	6	5.96
WLK's Total Ranking	# 438	# 427	# 161	# 383	# 286
Average inventory processing period	60	61	61	61	61
Seq. Inventory Growth	1.45 %	-4.28 %	-0.23 %	-2.81 %	4.95 %
Seq. Cost of Sales Growth	3.84 %	-6 %	-3.45 %	3.1 %	3.94 %

Inventory Turnover Ratio Company Ranking
Within:	No.
Chemical Manufacturing Industry	# 20
Basic Materials Sector	# 66
Overall Market	# 438

Inventory Turnover Ratio Statistics
High	Average	Low
7.77	6.58	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	$ 1,677 Millions	Visit WLK's Balance sheet
Westlake's Cost of Revenues TTM	$ 10,283 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 Mar 31 2026, within Basic Materials Sector	Inventory Turnover Ratio	Cost of revenues at quarter ending Mar 31 2026	Inventories at quarter ending Mar 31 2026
Idaho Strategic Resources Inc	16.84	$ 17.537 Millions	$ 1 Millions
Ecovyst Inc	16.19	$ 607.385 Millions	$ 38 Millions
Alto Ingredients Inc	16.09	$ 880.983 Millions	$ 55 Millions
Flotek Industries Inc	14.98	$ 189.026 Millions	$ 13 Millions
Futurefuel Corp	13.39	$ 228.028 Millions	$ 17 Millions
Techprecision Corp	13.09	$ 26.669 Millions	$ 2 Millions
Safe And Green Holdings Corp	11.43	$ 6.839 Millions	$ 1 Millions
Azz Inc	11.28	$ 1,255.125 Millions	$ 111 Millions
Crh Public Limited Company	11.14	$ 27,187.523 Millions	$ 2,440 Millions
Core Molding Technologies Inc	10.98	$ 223.157 Millions	$ 20 Millions
Gold Resource Corp	10.88	$ 84.071 Millions	$ 8 Millions
Air Products And Chemicals Inc	10.83	$ 8,477.500 Millions	$ 783 Millions
Aqua Metals Inc	10.73	$ 2.621 Millions	$ 0 Millions
Apogee Enterprises Inc	10.67	$ 1,085.259 Millions	$ 102 Millions
Smart Sand Inc	10.41	$ 316.482 Millions	$ 30 Millions
Trinseo Plc	10.16	$ 3,475.100 Millions	$ 342 Millions
Hawkins Inc	9.58	$ 838.641 Millions	$ 88 Millions
Janus International Group Inc	9.47	$ 560.100 Millions	$ 59 Millions
Magnera Corporation	9.43	$ 2,896.000 Millions	$ 307 Millions
Biolargo Inc	8.89	$ 3.235 Millions	$ 0 Millions
Orion S a	8.83	$ 1,447.600 Millions	$ 164 Millions
Linde Plc	8.47	$ 17,755.000 Millions	$ 2,096 Millions
Luxfer Holdings Plc	8.37	$ 281.800 Millions	$ 34 Millions
Vulcan Materials Company	8.36	$ 5,830.400 Millions	$ 697 Millions
Armstrong World Industries Inc	7.97	$ 983.900 Millions	$ 124 Millions
Quaker Chemical Corporation	7.66	$ 1,231.352 Millions	$ 161 Millions
International Paper Company	7.60	$ 16,622.000 Millions	$ 2,188 Millions
Royal Gold Inc	7.32	$ 166.757 Millions	$ 23 Millions
Ascent Industries Co	7.25	$ 54.379 Millions	$ 8 Millions
Olin Corporation	7.19	$ 6,291.000 Millions	$ 874 Millions

Date modified: 2026-08-29T17:22:35+00:00

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