Westlake (WLK) Return on Sales [ROS] (2010 - 2026)
Westlake's Return on Sales [ROS] came in at 11.13% for Q2 2026, up 14.82 percentage points from -3.69% a year earlier and up 17.61 percentage points from the prior quarter.
Powered by 
Analysis
Westlake (WLK) Return on Sales [ROS] (2010 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Westlake reported Return on Sales [ROS] of -11.02%, down 11.92 percentage points year-over-year; for FY2025, it was -14.13%, down 21.33 percentage points from FY2024.
- Return on Sales [ROS] carries a five-year change of -19.84 percentage points (FY2020 to FY2025).
- Going back by year, Return on Sales [ROS] was 7.21% in FY2024 (+1.40 pp), 5.81% in FY2023 (-13.50 pp), 19.31% in FY2022 (-4.46 pp) and 23.77% in FY2021 (+18.06 pp).
- The Q2 2026 figure represents the highest quarterly Return on Sales [ROS] since Q2 2024.
- Year-over-year, Return on Sales [ROS] increased in two of the last eight quarters, with an average year-over-year change of -7.58 percentage points.
- The fastest year-over-year change in Return on Sales [ROS] over five years came in Q3 2021 (a gain of 24.02 percentage points), and the weakest in Q3 2025 (a drop of 32.77 percentage points).
- Business Quant data shows WLK's Return on Sales [ROS] at -6.49% (Q1 2026), -26.49% (Q4 2025) and -26.99% (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | ROS (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 221.03 Bn | 204.14 Bn | 4.43 Bn | 27.49% |
| 2 | Corning | 141.47 Bn | 134.60 Bn | 1.63 Bn | 15.49% |
| 3 | Sherwin Williams | 77.59 Bn | 76.63 Bn | 3.34 Bn | 18.18% |
| 4 | Air Products & Chemicals | 61.84 Bn | 59.74 Bn | 1.04 Bn | -66.34% |
| 5 | LyondellBasell Industries | 37.84 Bn | 27.46 Bn | 2.04 Bn | 16.81% |
| 6 | Nutrien | 33.77 Bn | 30.64 Bn | 3.25 Bn | 28.51% |
| 7 | Qnity Electronics | 27.51 Bn | 24.93 Bn | 666.00 Mn | 25.75% |
| 8 | Ati | 26.21 Bn | 24.36 Bn | 309.80 Mn | 17.45% |
| 9 | Ppg Industries | 23.37 Bn | 16.17 Bn | 1.81 Bn | 14.73% |
| 10 | Westlake | 8.11 Bn | -765.48 Mn | 652.00 Mn | 11.13% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 11.13% |
| Mar 31, 2026 | -6.49% |
| Dec 31, 2025 | -26.49% |
| Sep 30, 2025 | -26.99% |
| Jun 30, 2025 | -3.69% |
| Mar 31, 2025 | -1.12% |
| Dec 31, 2024 | 2.32% |
| Sep 30, 2024 | 5.77% |
| Jun 30, 2024 | 12.66% |
| Mar 31, 2024 | 7.50% |
| Dec 31, 2023 | -19.53% |
| Sep 30, 2023 | 11.20% |
| Jun 30, 2023 | 12.18% |
| Mar 31, 2023 | 15.97% |
| Dec 31, 2022 | 9.91% |
| Sep 30, 2022 | 13.04% |
| Jun 30, 2022 | 26.21% |
| Mar 31, 2022 | 25.44% |
| Dec 31, 2021 | 24.89% |
| Sep 30, 2021 | 28.18% |
API Access
Westlake Return on Sales [ROS] 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=return-on-sales-%5Bros%5D&ticker=WLK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "return-on-sales-[ros]", "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=return-on-sales-%5Bros%5D&ticker=WLK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();