Westlake (WLK) FCF Margin (2010 - 2026)
Westlake's FCF Margin came in at 3.39% for Q2 2026, up 7.86 percentage points from -4.47% a year earlier and up 14.82 percentage points from the prior quarter.
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Analysis
Westlake (WLK) FCF Margin (2010 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Westlake reported FCF Margin of -2.35%, down 1.89 percentage points year-over-year; for FY2025, it was -4.74%, down 7.27 percentage points from FY2024.
- FCF Margin has declined in each of the last four years, with a five-year change of -15.03 percentage points (FY2020 to FY2025).
- Going back by year, FCF Margin was 2.52% in FY2024 (-7.86 pp), 10.38% in FY2023 (-4.10 pp), 14.48% in FY2022 (-0.26 pp) and 14.74% in FY2021 (+4.45 pp).
- The Q2 2026 figure represents the highest quarterly FCF Margin since Q4 2024.
- Year-over-year, FCF Margin increased in 1 of the last eight quarters, with an average year-over-year change of -4.02 percentage points.
- The fastest year-over-year change in FCF Margin over five years came in Q2 2026 (a gain of 7.86 percentage points), and the weakest in Q1 2024 (a drop of 10.76 percentage points).
- Business Quant data shows WLK's FCF Margin at -11.43% (Q1 2026), -0.63% (Q4 2025) and -2.01% (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | FCF Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 218.80 Bn | 201.92 Bn | 4.43 Bn | 8.97% |
| 2 | Corning | 132.43 Bn | 125.56 Bn | 1.63 Bn | 28.75% |
| 3 | Sherwin Williams | 78.49 Bn | 77.53 Bn | 3.34 Bn | 18.25% |
| 4 | Air Products & Chemicals | 61.97 Bn | 59.87 Bn | 1.04 Bn | 9.79% |
| 5 | Corteva | 51.82 Bn | 40.62 Bn | 3.66 Bn | -9.22% |
| 6 | LyondellBasell Industries | 37.12 Bn | 26.74 Bn | 2.04 Bn | 5.25% |
| 7 | Nutrien | 33.86 Bn | 30.73 Bn | 3.25 Bn | 27.52% |
| 8 | Qnity Electronics | 26.31 Bn | 23.73 Bn | 666.00 Mn | 10.57% |
| 9 | Ati | 25.78 Bn | 23.93 Bn | 309.80 Mn | 5.01% |
| 10 | Westlake | 7.97 Bn | -911.16 Mn | 652.00 Mn | 3.39% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 3.39% |
| Mar 31, 2026 | -11.43% |
| Dec 31, 2025 | -0.63% |
| Sep 30, 2025 | -2.01% |
| Jun 30, 2025 | -4.47% |
| Mar 31, 2025 | -11.42% |
| Dec 31, 2024 | 5.24% |
| Sep 30, 2024 | 8.15% |
| Jun 30, 2024 | 0.19% |
| Mar 31, 2024 | -3.46% |
| Dec 31, 2023 | 10.30% |
| Sep 30, 2023 | 14.48% |
| Jun 30, 2023 | 9.69% |
| Mar 31, 2023 | 7.30% |
| Dec 31, 2022 | 16.31% |
| Sep 30, 2022 | 15.90% |
| Jun 30, 2022 | 15.24% |
| Mar 31, 2022 | 10.77% |
| Dec 31, 2021 | 14.63% |
| Sep 30, 2021 | 20.00% |
API Access
Westlake FCF 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=fcf-margin&ticker=WLK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "fcf-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=fcf-margin&ticker=WLK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();