Westlake WLK
NYSE WLK
$78.83 -0.64 (-0.81%)
At close: Aug 20, 2026 · 4:00 PM EDT

Westlake (WLK) Operating Expenses (2010 - 2026)

Westlake (WLK) posted quarterly Operating Expenses of $254.0 million for Q1 2026, up 8.55% year-over-year from $234.0 million in Q1 2025, and up 154.0% quarter-over-quarter from $100.0 million in Q4 2025.

Westlake (WLK) Operating Expenses (2010 - 2026) Analysis & Trends

Westlake's Operating Expenses history runs 17 years deep, the most recent figure standing at $254.0 million for Q1 2026.

  • In Q1 2026, Operating Expenses rose 8.55% year-over-year to $254.0 million; the TTM figure through Mar 2026 stood at $943.0 million (down 4.36% YoY), while the FY2025 annual figure was $915.0 million, down 5.18% from the prior year.
  • Operating Expenses for Q1 2026 stood at $254.0 million, up from $100.0 million in the prior quarter.
  • The five-year high for Operating Expenses was $344.0 million in Q2 2025, with the low at $100.0 million in Q4 2025.
  • The 5-year median for Operating Expenses is $227.0 million (2022), against an average of $229.6 million.
  • The sharpest annual moves came in 2022 and 2025: Operating Expenses jumped 81.6% in 2022, then slumped 57.26% in 2025.
  • Westlake's Operating Expenses stood at $209.0 million in 2022, then increased by 17.7% to $246.0 million in 2023, then declined by 4.88% to $234.0 million in 2024, then plunged by 57.26% to $100.0 million in 2025, then surged by 154.0% to $254.0 million in 2026.
  • Business Quant data shows WLK's Operating Expenses at $254.0 million in Q1 2026, $100.0 million in Q4 2025, and $245.0 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Opex (Qtr)
1 Linde 222.77 Bn 217.87 Bn 4.43 Bn 928.00 Mn
2 Sherwin Williams 84.55 Bn 84.26 Bn 3.34 Bn 2.10 Bn
3 Ecolab 78.89 Bn 73.75 Bn 1.95 Bn 1.19 Bn
4 Air Products & Chemicals 66.91 Bn 65.93 Bn 1.04 Bn 3.15 Bn
5 Ppg Industries 25.15 Bn 23.56 Bn 1.81 Bn 1.15 Bn
6 Chemical & Mining Co Of Chile 22.35 Bn 18.48 Bn 778.60 Mn -48.90 Mn
7 LyondellBasell Industries 22.02 Bn 19.39 Bn 2.04 Bn 7.63 Bn
8 International Flavors & Fragrances 21.27 Bn 20.70 Bn 853.00 Mn 613.00 Mn
9 DuPont de Nemours 18.86 Bn 17.12 Bn 639.00 Mn 311.00 Mn
10 Westlake 10.10 Bn 8.25 Bn 652.00 Mn 256.00 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 256.00 Mn
Mar 31, 2026 254.00 Mn
Dec 31, 2025 100.00 Mn
Sep 30, 2025 245.00 Mn
Jun 30, 2025 344.00 Mn
Mar 31, 2025 234.00 Mn
Dec 31, 2024 234.00 Mn
Sep 30, 2024 290.00 Mn
Jun 30, 2024 228.00 Mn
Mar 31, 2024 213.00 Mn
Dec 31, 2023 246.00 Mn
Sep 30, 2023 206.00 Mn
Jun 30, 2023 216.00 Mn
Mar 31, 2023 225.00 Mn
Dec 31, 2022 209.00 Mn
Sep 30, 2022 221.00 Mn
Jun 30, 2022 227.00 Mn
Mar 31, 2022 211.00 Mn
Dec 31, 2021 183.00 Mn
Sep 30, 2021 128.00 Mn