Westlake WLK
NYSE WLK
$78.93 +0.08 (+0.10%)
At close: Aug 21, 2026 · 4:00 PM EDT

Westlake (WLK) Change in Inventory (2010 - 2026)

Westlake (WLK) posted quarterly Change in Inventory of $8.0 million for Q1 2026, down 89.19% year-over-year from $74.0 million in Q1 2025, and up 112.5% quarter-over-quarter from -$64.0 million in Q4 2025.

Westlake (WLK) Change in Inventory (2010 - 2026) Analysis & Trends

Westlake's Change in Inventory history runs 17 years deep, the most recent figure standing at $8.0 million for Q1 2026.

  • In Q1 2026, Change in Inventory fell 89.19% year-over-year to $8.0 million; the TTM figure through Mar 2026 stood at -$117.0 million (down 194.35% YoY), while the FY2025 annual figure was -$51.0 million, down 152.58% from the prior year.
  • Change in Inventory for Q1 2026 stood at $8.0 million, up from -$64.0 million in the prior quarter.
  • The five-year high for Change in Inventory was $163.0 million in Q2 2022, with the low at -$198.0 million in Q4 2022.
  • The 5-year median for Change in Inventory is $8.0 million (2026), against an average of -$3.3 million.
  • The sharpest annual moves came in 2022 and 2025: Change in Inventory jumped 1153.85% in 2022, then tumbled 318.52% in 2025.
  • Westlake's Change in Inventory stood at -$198.0 million in 2022, then soared by 71.72% to -$56.0 million in 2023, then soared by 51.79% to -$27.0 million in 2024, then tumbled by 137.04% to -$64.0 million in 2025, then soared by 112.5% to $8.0 million in 2026.
  • Business Quant data shows WLK's Change in Inventory at $8.0 million in Q1 2026, -$64.0 million in Q4 2025, and -$2.0 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Change in Inventory (Qtr)
1 Linde 225.67 Bn 220.77 Bn 4.43 Bn 41.00 Mn
2 Sherwin Williams 84.74 Bn 84.44 Bn 3.34 Bn -
3 Ecolab 78.90 Bn 73.77 Bn 1.95 Bn -
4 Air Products & Chemicals 68.19 Bn 67.21 Bn 1.04 Bn -14.90 Mn
5 Ppg Industries 25.36 Bn 23.77 Bn 1.81 Bn 33.00 Mn
6 Chemical & Mining Co Of Chile 23.48 Bn 19.61 Bn 778.60 Mn -
7 LyondellBasell Industries 21.91 Bn 19.28 Bn 2.04 Bn 425.00 Mn
8 International Flavors & Fragrances 21.51 Bn 20.94 Bn 853.00 Mn 12.00 Mn
9 DuPont de Nemours 18.83 Bn 17.09 Bn 639.00 Mn -
10 Westlake 10.13 Bn 8.28 Bn 652.00 Mn 56.00 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 56.00 Mn
Jun 30, 2026 56.00 Mn
Mar 31, 2026 8.00 Mn
Mar 31, 2026 8.00 Mn
Dec 31, 2025 -64.00 Mn
Dec 31, 2025 -64.00 Mn
Sep 30, 2025 -2.00 Mn
Sep 30, 2025 -2.00 Mn
Jun 30, 2025 -59.00 Mn
Jun 30, 2025 -59.00 Mn
Mar 31, 2025 74.00 Mn
Mar 31, 2025 74.00 Mn
Dec 31, 2024 -27.00 Mn
Dec 31, 2024 -27.00 Mn
Sep 30, 2024 50.00 Mn
Sep 30, 2024 50.00 Mn
Jun 30, 2024 27.00 Mn
Jun 30, 2024 27.00 Mn
Mar 31, 2024 47.00 Mn
Mar 31, 2024 47.00 Mn