Westlake WLK
NYSE WLK
$71.61 -0.17 (-0.24%)
As of: Sep 10, 2026 · 3:59 PM EDT

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

Westlake (WLK) posted Change in Inventory of $56.0 million for Q2 2026, up 600.0% on a QoQ basis from $8.0 million in Q1 2026, and up 194.92% year-over-year from $19.0 million in Q2 2025.

Analysis

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

Westlake has reported Change in Inventory for 17 years, with the latest figure at $56.0 million in Q2 2026.

  • On a quarterly basis, Change in Inventory rose 194.92% year-over-year to $56.0 million in Q2 2026; TTM through Jun 2026 was -$2.0 million, a 105.26% decrease from a year earlier, with the FY2025 full-year figure at -$51.0 million, down 152.58% from the prior year.
  • Change in Inventory was $56.0 million for Q2 2026 at Westlake, up from $8.0 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.
  • Average Change in Inventory over 5 years is $0.0, with a median of $9.5 million recorded in 2023.
  • The sharpest annual moves came in 2022 and 2025: Change in Inventory soared 1153.85% in 2022, then tumbled 318.52% in 2025.
  • Over 5 years, Change in Inventory stood at -$198.0 million in 2022, then surged by 71.72% to -$56.0 million in 2023, then surged by 51.79% to -$27.0 million in 2024, then tumbled by 137.04% to -$64.0 million in 2025, then soared by 187.5% to $56.0 million in 2026.
  • The last three Change in Inventory figures came in at $56.0 million (Q2 2026), $8.0 million (Q1 2026), and -$64.0 million (Q4 2025), per Business Quant data.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Change in Inventory (Qtr)
1 LyondellBasell Industries 41.55 Bn 38.92 Bn 2.04 Bn 425.00 Mn
2 Westlake 9.16 Bn 7.31 Bn 652.00 Mn 56.00 Mn
3 Celanese 5.03 Bn 3.67 Bn 618.00 Mn 23.00 Mn
4 Methanex 4.55 Bn 4.17 Bn 638.01 Mn -
5 Chemours 2.28 Bn 1.61 Bn 286.00 Mn -
6 Olin 1.97 Bn 1.79 Bn 170.20 Mn 21.60 Mn
7 Sino Green Land 1.85 Bn 1.85 Bn -78,936.00 30,375.00
8 Braskem 1.68 Bn -513.47 Mn - -
9 Ecovyst 1.10 Bn 1.01 Bn 49.85 Mn 5.26 Mn
10 Kronos Worldwide 932.31 Mn 905.71 Mn 102.80 Mn -48.10 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 56.00 Mn
Mar 31, 2026 8.00 Mn
Dec 31, 2025 -64.00 Mn
Sep 30, 2025 -2.00 Mn
Jun 30, 2025 -59.00 Mn
Mar 31, 2025 74.00 Mn
Dec 31, 2024 -27.00 Mn
Sep 30, 2024 50.00 Mn
Jun 30, 2024 27.00 Mn
Mar 31, 2024 47.00 Mn
Dec 31, 2023 -56.00 Mn
Sep 30, 2023 11.00 Mn
Jun 30, 2023 -171.00 Mn
Mar 31, 2023 -34.00 Mn
Dec 31, 2022 -198.00 Mn
Sep 30, 2022 39.00 Mn
Jun 30, 2022 163.00 Mn
Mar 31, 2022 136.00 Mn
Dec 31, 2021 129.00 Mn
Sep 30, 2021 125.00 Mn