Growth Metrics

Westlake (WLK) Gross Margin (2010 - 2026)

Westlake's quarterly Gross Margin came in at 4.22% in Q1 2026, down 393.0% year-on-year from 1.44% in Q1 2025, and up 22.96% quarter-over-quarter from 3.43% in Q4 2025.

Westlake has reported Gross Margin for 17 years, with the latest figure at 4.22% in Q1 2026.

  • For the quarter ending Q1 2026, Gross Margin fell 393.0% year-over-year to 4.22%; the trailing twelve-month figure through Mar 2026 stood at 6.31% (down 803.0% YoY), and the FY2025 full-year result 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.
  • Average Gross Margin over 5 years is 15.69%, with a median of 16.01% recorded in 2024.
  • Peak annual rise in Gross Margin reached 1009 bps in 2022, while the deepest fall reached 1406 bps in 2022.
  • Tracing WLK's Gross Margin over 5 years: stood at 17.19% in 2022, then tumbled by 59 bps to 7.04% in 2023, then soared by 64 bps to 11.54% in 2024, then plunged by 70 bps to 3.43% in 2025, then gained by 23 bps to 4.22% in 2026.
  • The last three Gross Margin figures came in at 4.22% (Q1 2026), 3.43% (Q4 2025), and 8.32% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Gross Margin (Qtr)
1 Linde 230.79 Bn 226.84 Bn 4.26 Bn 48.49%
2 Chemical & Mining Co Of Chile 127.66 Bn 124.93 Bn 778.60 Mn 44.24%
3 Sherwin Williams 72.51 Bn 72.30 Bn 2.78 Bn 49.07%
4 Ecolab 70.96 Bn 70.34 Bn 1.85 Bn 44.03%
5 Air Products & Chemicals 62.15 Bn 63.70 Bn 987.40 Mn 31.13%
6 Ppg Industries 25.04 Bn 23.57 Bn 1.66 Bn 42.11%
7 LyondellBasell Industries 21.62 Bn 21.73 Bn 701.00 Mn 9.74%
8 Albemarle 20.26 Bn 19.42 Bn 500.97 Mn 35.06%
9 DuPont de Nemours 19.45 Bn 19.56 Bn 602.00 Mn 35.81%
10 Westlake 11.07 Bn 9.10 Bn 112.00 Mn 4.22%

Historic Data

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DateValue
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%
Jun 30, 2021 30.50%
Mar 31, 2021 21.60%
Dec 31, 2020 16.44%
Sep 30, 2020 13.07%
Jun 30, 2020 9.89%
Mar 31, 2020 14.65%
Dec 31, 2019 13.28%
Sep 30, 2019 17.96%
Jun 30, 2019 15.86%
Mar 31, 2019 14.77%
Dec 31, 2018 17.74%
Sep 30, 2018 23.90%
Jun 30, 2018 24.70%
Mar 31, 2018 25.21%
Dec 31, 2017 24.68%
Sep 30, 2017 23.52%
Jun 30, 2017 20.36%
Mar 31, 2017 18.84%
Dec 31, 2016 16.25%
Sep 30, 2016 15.86%
Jun 30, 2016 22.19%
Mar 31, 2016 26.15%
Dec 31, 2015 23.94%
Sep 30, 2015 26.20%
Jun 30, 2015 29.80%
Mar 31, 2015 25.79%
Dec 31, 2014 31.94%
Sep 30, 2014 28.85%
Jun 30, 2014 30.64%
Mar 31, 2014 27.93%
Dec 31, 2013 31.07%
Sep 30, 2013 30.32%
Jun 30, 2013 29.12%
Mar 31, 2013 26.35%
Dec 31, 2012 23.75%
Sep 30, 2012 20.97%
Jun 30, 2012 22.09%
Mar 31, 2012 16.68%
Dec 31, 2011 8.99%
Sep 30, 2011 15.19%
Jun 30, 2011 18.06%
Mar 31, 2011 19.32%
Dec 31, 2010 20.63%
Sep 30, 2010 17.30%
Jun 30, 2010 15.40%