Westlake (WLK) Gross Margin (2010 - 2026)
Westlake (WLK) posted Gross Margin of 19.93% for Q2 2026, up 11.20 percentage points from 8.74% a year earlier and up 15.71 percentage points from the prior quarter.
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Analysis
Westlake (WLK) Gross Margin (2010 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Gross Margin at Westlake was 9.62%, down 1.58 percentage points year-over-year; for FY2025, it was 7.28%, down 8.84 percentage points from FY2024.
- Annual Gross Margin has declined for four consecutive years, with a five-year change of -6.35 percentage points (FY2020 to FY2025).
- In prior years, Westlake's Gross Margin was 16.12% in FY2024 (-1.57 pp), 17.68% in FY2023 (-8.10 pp), 25.79% in FY2022 (-3.89 pp) and 29.67% in FY2021 (+16.04 pp).
- The Q2 2026 figure stands as the highest quarterly Gross Margin since Q2 2024.
- On a year-over-year basis, Gross Margin increased in two of the last eight quarters, with an average year-over-year change of -3.29 percentage points.
- The strongest year-over-year quarter for Gross Margin in the past five years was Q3 2021, with a gain of 20.26 percentage points; the weakest was Q4 2022, with a drop of 14.06 percentage points.
- According to Business Quant data, Gross Margin for the three prior quarters was 4.22% (Q1 2026), 3.43% (Q4 2025) and 8.32% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Gross Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 231.45 Bn | 213.03 Bn | 4.43 Bn | 47.67% |
| 2 | Corning | 116.59 Bn | 109.15 Bn | 1.63 Bn | 36.14% |
| 3 | Sherwin Williams | 82.19 Bn | 81.23 Bn | 3.34 Bn | 49.17% |
| 4 | Air Products & Chemicals | 67.40 Bn | 62.58 Bn | 1.04 Bn | 32.77% |
| 5 | LyondellBasell Industries | 40.93 Bn | 30.44 Bn | 2.04 Bn | 22.21% |
| 6 | Nutrien | 33.12 Bn | 29.95 Bn | 3.25 Bn | 30.07% |
| 7 | Qnity Electronics | 25.20 Bn | 22.33 Bn | 666.00 Mn | 46.61% |
| 8 | Ppg Industries | 24.54 Bn | 17.20 Bn | 1.81 Bn | 40.22% |
| 9 | Ati | 24.54 Bn | 22.56 Bn | 309.80 Mn | 24.57% |
| 10 | Westlake | 7.80 Bn | -1.58 Bn | 652.00 Mn | 19.93% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| 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% |
API Access
Westlake Gross Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=gross-margin&ticker=WLK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "gross-margin", "ticker": "WLK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=gross-margin&ticker=WLK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();