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

Westlake (WLK) Gross Margin (2010 - 2026)

Westlake (WLK) posted quarterly Gross Margin of 4.22% for Q1 2026, down 393.0% year-over-year from 1.44% in Q1 2025, and up 22.96% quarter-over-quarter from 3.43% in Q4 2025.

Westlake (WLK) Gross Margin (2010 - 2026) Analysis & Trends

Westlake's Gross Margin history runs 17 years deep, the most recent figure standing at 4.22% for Q1 2026.

  • In Q1 2026, Gross Margin fell 393.0% year-over-year to 4.22%; the TTM figure through Mar 2026 stood at 6.31% (down 803.0% YoY), while the FY2025 annual figure was 7.28%, down 884.0% from the prior year.
  • Gross Margin for Q1 2026 stood at 4.22%, up from 3.43% in the prior quarter.
  • The five-year high for Gross Margin was 32.23% in Q2 2022, with the low at 3.43% in Q4 2025.
  • The 5-year median for Gross Margin is 16.01% (2024), against an average of 15.69%.
  • Peak annual rise in Gross Margin reached 1009 bps in 2022, while the deepest fall reached 1406 bps in 2022.
  • Westlake's Gross Margin stood at 17.19% in 2022, then tumbled by 59 bps to 7.04% in 2023, then jumped by 64 bps to 11.54% in 2024, then plunged by 70 bps to 3.43% in 2025, then increased by 23 bps to 4.22% in 2026.
  • Business Quant data shows WLK's Gross Margin at 4.22% in Q1 2026, 3.43% in Q4 2025, and 8.32% in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Gross Margin (Qtr)
1 Linde 222.77 Bn 217.87 Bn 4.43 Bn 47.67%
2 Sherwin Williams 84.55 Bn 84.26 Bn 3.34 Bn 49.17%
3 Ecolab 78.89 Bn 73.75 Bn 1.95 Bn 44.07%
4 Air Products & Chemicals 66.91 Bn 65.93 Bn 1.04 Bn 32.77%
5 Ppg Industries 25.15 Bn 23.56 Bn 1.81 Bn 40.22%
6 Chemical & Mining Co Of Chile 22.35 Bn 18.48 Bn 778.60 Mn 44.24%
7 LyondellBasell Industries 22.02 Bn 19.39 Bn 2.04 Bn 22.21%
8 International Flavors & Fragrances 21.27 Bn 20.70 Bn 853.00 Mn 43.65%
9 DuPont de Nemours 18.86 Bn 17.12 Bn 639.00 Mn 35.13%
10 Westlake 10.10 Bn 8.25 Bn 652.00 Mn 19.93%

Historic Data

Download Data
DateValue
Jun 30, 2026 19.93%
Mar 31, 2026 4.22%
Dec 31, 2025 3.43%
Sep 30, 2025 8.32%
Jun 30, 2025 8.74%
Mar 31, 2025 8.15%
Dec 31, 2024 11.54%
Sep 30, 2024 16.01%
Jun 30, 2024 20.70%
Mar 31, 2024 15.66%
Dec 31, 2023 7.04%
Sep 30, 2023 18.81%
Jun 30, 2023 19.75%
Mar 31, 2023 23.60%
Dec 31, 2022 17.19%
Sep 30, 2022 19.62%
Jun 30, 2022 32.23%
Mar 31, 2022 31.68%
Dec 31, 2021 31.25%
Sep 30, 2021 33.32%