Westlake Chemical Partners LP annual operating margin
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Westlake Chemical Partners LP Operating Margin Growth & History (WLKP)
Westlake Chemical Partners LP's operating margin was 27.39% for fiscal 2025.
View full Westlake Chemical Partners LP company overviewWestlake Chemical Partners LP annual operating margin history
| Fiscal year | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| 2025 | 2025-12-31 | 27.39% | −6.98 pp |
| 2024 | 2024-12-31 | 34.37% | +4.33 pp |
| 2023 | 2023-12-31 | 30.04% | −108.90 pp |
| 2022 | 2022-12-31 | 138.94% | −79.19 pp |
| 2021 | 2021-12-31 | 218.14% | −231.96 pp |
| 2020 | 2020-12-31 | 450.10% | +223.09 pp |
| 2019 | 2019-12-31 | 227.01% | +199.82 pp |
| 2018 | 2018-12-31 | 27.19% | −4.73 pp |
| 2017 | 2017-12-31 | 31.92% | −5.22 pp |
| 2016 | 2016-12-31 | 37.14% | +1.46 pp |
| 2015 | 2015-12-31 | 35.68% | −5.28 pp |
| 2014 | 2014-12-31 | 40.95% | — |
Westlake Chemical Partners LP quarterly operating margin
Q2.13
Q2.14
Q3.14
Q1.15
Q2.15
Q3.15
Q4.15
Q1.16
Q2.16
Q3.16
Q4.16
Q1.17
Q2.17
Q3.17
Q4.17
Q1.18
Q2.18
Q3.18
Q4.18
Q1.19
Q2.19
Q3.19
Q1.20
Q2.20
Q3.20
Q1.21
Q2.21
Q3.21
Q4.21
Q1.22
Q2.22
Q3.22
Q4.22
Q1.23
Q2.23
Q3.23
Q4.23
Q1.24
Q2.24
Q3.24
Q4.24
Q1.25
Q2.25
Q3.25
Q4.25
Q1.26
Q2.26
| Fiscal quarter | Period ended | Operating margin | Change (percentage points) |
|---|---|---|---|
| Q2 2026 | 2026-06-30 | 29.39% | −1.32 pp |
| Q1 2026 | 2026-03-31 | 28.32% | +8.71 pp |
| Q4 2025 | 2025-12-31 | 27.78% | −3.94 pp |
| Q3 2025 | 2025-09-30 | 29.78% | −9.82 pp |
| Q2 2025 | 2025-06-30 | 30.71% | −2.24 pp |
| Q1 2025 | 2025-03-31 | 19.61% | −13.79 pp |
| Q4 2024 | 2024-12-31 | 31.73% | +14.99 pp |
| Q3 2024 | 2024-09-30 | 39.60% | +12.79 pp |
| Q2 2024 | 2024-06-30 | 32.95% | +2.48 pp |
| Q1 2024 | 2024-03-31 | 33.41% | −162.10 pp |
| Q4 2023 | 2023-12-31 | 16.73% | −199.95 pp |
| Q3 2023 | 2023-09-30 | 26.81% | −134.09 pp |
| Q2 2023 | 2023-06-30 | 30.47% | −73.96 pp |
| Q1 2023 | 2023-03-31 | 195.51% | +79.53 pp |
| Q4 2022 | 2022-12-31 | 216.68% | −908.01 pp |
| Q3 2022 | 2022-09-30 | 160.90% | +13.03 pp |
| Q2 2022 | 2022-06-30 | 104.43% | −46.61 pp |
| Q1 2022 | 2022-03-31 | 115.99% | −47.28 pp |
| Q4 2021 | 2021-12-31 | 1,124.69% | +462.04 pp |
| Q3 2021 | 2021-09-30 | 147.87% | +112.69 pp |
| Q2 2021 | 2021-06-30 | 151.05% | +112.19 pp |
| Q1 2021 | 2021-03-31 | 163.26% | +128.69 pp |
| Q3 2020 | 2020-09-30 | 662.65% | +631.43 pp |
| Q2 2020 | 2020-06-30 | 35.17% | +7.20 pp |
| Q1 2020 | 2020-03-31 | 38.86% | +13.10 pp |
| Q3 2019 | 2019-09-30 | 34.57% | +10.37 pp |
| Q2 2019 | 2019-06-30 | 31.22% | +1.50 pp |
| Q1 2019 | 2019-03-31 | 27.98% | −2.05 pp |
| Q4 2018 | 2018-12-31 | 25.75% | −7.62 pp |
| Q3 2018 | 2018-09-30 | 24.20% | −5.66 pp |
| Q2 2018 | 2018-06-30 | 29.72% | −2.23 pp |
| Q1 2018 | 2018-03-31 | 30.03% | −2.45 pp |
| Q4 2017 | 2017-12-31 | 33.37% | −0.17 pp |
| Q3 2017 | 2017-09-30 | 29.85% | −5.47 pp |
| Q2 2017 | 2017-06-30 | 31.95% | −7.20 pp |
| Q1 2017 | 2017-03-31 | 32.49% | −8.81 pp |
| Q4 2016 | 2016-12-31 | 33.54% | −3.59 pp |
| Q3 2016 | 2016-09-30 | 35.32% | −0.20 pp |
| Q2 2016 | 2016-06-30 | 39.14% | +3.97 pp |
| Q1 2016 | 2016-03-31 | 41.30% | +6.38 pp |
| Q4 2015 | 2015-12-31 | 37.13% | −2.70 pp |
| Q3 2015 | 2015-09-30 | 35.52% | −10.34 pp |
| Q2 2015 | 2015-06-30 | 35.17% | −8.92 pp |
| Q1 2015 | 2015-03-31 | 34.92% | — |
| Q3 2014 | 2014-09-30 | 39.83% | — |
| Q2 2014 · Jun 30 | 2014-06-30 | 45.86% | — |
| Q2 2013 | 2013-06-30 | 44.09% | — |
Westlake Chemical Partners LP operating margin trends
Over the last five reported fiscal years, Westlake Chemical Partners LP's operating margin decreased from 450.10% to 27.39%, a change of −422.70 percentage points. The latest reported quarter, Q2 2026, shows 29.39%.
About the metric
What operating margin means
Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.
Calculation and source
How operating margin is calculated
TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.
Review Westlake Chemical Partners LP filings at SEC.gov ↗