Westlake Chemical Partners (WLKP) Operating Margin (2013 - 2026)
Westlake Chemical Partners' (WLKP) quarterly Operating Margin came in at 28.32% in Q1 2026, up 871.0% YoY from 2.92% in Q1 2025, and up 1.93% on a QoQ basis from 27.78% in Q4 2025.
Westlake Chemical Partners (WLKP) Operating Margin (2013 - 2026) Analysis & Trends
Westlake Chemical Partners (WLKP) has 14 years of Operating Margin data on file, last reported at 28.32% in Q1 2026.
- Quarterly Operating Margin rose 871.0% year-over-year to 28.32% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 29.12% (down 229.0% YoY) and the FY2025 annual result came in at 27.39%, down 698.0% from the prior year.
- Operating Margin improved to 28.32% in Q1 2026, from 27.78% in the prior quarter.
- In the past five years, Operating Margin ranged from a high of 39.6% in Q3 2024 to a low of 19.47% in Q2 2022.
- A 5-year average of 28.71% and a median of 29.78% in 2025 frame the typical range for Operating Margin.
- Annual changes were most pronounced in 2022 — Operating Margin plunged 13463 bps — and 2024, when it soared 1279 bps.
- Tracing WLKP's Operating Margin over 5 years: stood at 25.97% in 2022, then advanced by 20 bps to 31.22% in 2023, then grew by 2 bps to 31.73% in 2024, then slipped by 12 bps to 27.78% in 2025, then rose by 2 bps to 28.32% in 2026.
- The last three Operating Margin figures came in at 28.32% (Q1 2026), 27.78% (Q4 2025), and 29.78% (Q3 2025), per Business Quant data.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Celanese | 5.14 Bn | 3.78 Bn | 618.00 Mn | 10.03% |
| 2 | Methanex | 4.55 Bn | 4.16 Bn | - | - |
| 3 | Olin | 2.12 Bn | 1.94 Bn | 170.20 Mn | 2.67% |
| 4 | Braskem | 1.59 Bn | -362.05 Mn | - | - |
| 5 | Rex American Resources | 1.47 Bn | 1.10 Bn | 29.07 Mn | 12.36% |
| 6 | Green Plains | 1.11 Bn | 864.79 Mn | 113.03 Mn | 15.21% |
| 7 | Tronox Holdings | 895.13 Mn | 701.13 Mn | 55.00 Mn | -2.42% |
| 8 | Lsb Industries | 776.55 Mn | 558.19 Mn | 11.46 Mn | -1.63% |
| 9 | Westlake Chemical Partners | 761.87 Mn | 712.54 Mn | 94.81 Mn | 29.39% |
| 10 | Rayonier Advanced Materials | 580.59 Mn | 523.58 Mn | 22.95 Mn | -1.69% |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | 29.39% |
| Mar 31, 2026 | 28.32% |
| Dec 31, 2025 | 27.78% |
| Sep 30, 2025 | 29.78% |
| Jun 30, 2025 | 30.71% |
| Mar 31, 2025 | 19.61% |
| Dec 31, 2024 | 31.73% |
| Sep 30, 2024 | 39.60% |
| Jun 30, 2024 | 32.95% |
| Mar 31, 2024 | 33.41% |
| Dec 31, 2023 | 31.22% |
| Sep 30, 2023 | 26.81% |
| Jun 30, 2023 | 30.47% |
| Mar 31, 2023 | 31.90% |
| Dec 31, 2022 | 25.97% |
| Sep 30, 2022 | 19.71% |
| Jun 30, 2022 | 19.47% |
| Mar 31, 2022 | 28.63% |
| Dec 31, 2021 | 13.55% |
| Sep 30, 2021 | 147.87% |