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
Download Data| Date | Value |
|---|---|
| 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% |