Westlake (WLK) Tax Rate (2010 - 2026)
Westlake (WLK) reported Tax Rate of 19.82% for Q2 2026, up 24.62 percentage points from -4.80% a year earlier and up 2.45 percentage points from the prior quarter.
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Analysis
Westlake (WLK) Tax Rate (2010 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Westlake's Tax Rate came in at 7.67%, down 114.46 percentage points year-over-year; for FY2025, it was 7.89%, down 23.13 percentage points from FY2024.
- Tax Rate has a five-year change of +20.58 percentage points (FY2020 to FY2025).
- By year, Tax Rate came in at 31.02% in FY2024 (+5.59 pp), 25.43% in FY2023 (+3.40 pp), 22.03% in FY2022 (-0.64 pp) and 22.67% in FY2021 (+35.36 pp).
- The Q2 2026 figure ranks as the highest quarterly Tax Rate since Q4 2024.
- Year over year, Tax Rate gained in four of the last eight quarters, with an average year-over-year change of -2.39 percentage points.
- The high point for year-over-year Tax Rate in five years was Q4 2024 (a gain of 67.48 percentage points); the low point was Q4 2025 (a drop of 60.60 percentage points).
- Per Business Quant data, the three quarters before Q2 2026 came in at 17.37% (Q1 2026), 19.61% (Q4 2025) and 0.39% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 221.03 Bn | 204.14 Bn | 4.43 Bn | 23.96% |
| 2 | Corning | 141.47 Bn | 134.60 Bn | 1.63 Bn | 6.16% |
| 3 | Sherwin Williams | 77.59 Bn | 76.63 Bn | 3.34 Bn | 24.17% |
| 4 | Air Products & Chemicals | 61.84 Bn | 59.74 Bn | 1.04 Bn | - |
| 5 | LyondellBasell Industries | 37.84 Bn | 27.46 Bn | 2.04 Bn | 29.21% |
| 6 | Nutrien | 33.77 Bn | 30.64 Bn | 3.25 Bn | 21.50% |
| 7 | Qnity Electronics | 27.51 Bn | 24.93 Bn | 666.00 Mn | 31.66% |
| 8 | Ati | 26.21 Bn | 24.36 Bn | 309.80 Mn | 20.01% |
| 9 | Ppg Industries | 23.37 Bn | 16.17 Bn | 1.81 Bn | 22.32% |
| 10 | Westlake | 8.11 Bn | -765.48 Mn | 652.00 Mn | 19.82% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 19.82% |
| Dec 31, 2024 | 80.21% |
| Sep 30, 2024 | 35.14% |
| Jun 30, 2024 | 23.82% |
| Mar 31, 2024 | 20.60% |
| Sep 30, 2023 | 19.18% |
| Jun 30, 2023 | 18.57% |
| Mar 31, 2023 | 21.12% |
| Dec 31, 2022 | 18.69% |
| Sep 30, 2022 | 16.94% |
| Jun 30, 2022 | 23.95% |
| Mar 31, 2022 | 23.37% |
| Dec 31, 2021 | 21.78% |
| Sep 30, 2021 | 23.74% |
| Jun 30, 2021 | 22.77% |
| Mar 31, 2021 | 22.15% |
| Dec 31, 2020 | 21.15% |
| Sep 30, 2019 | 23.15% |
| Jun 30, 2019 | 23.21% |
| Mar 31, 2019 | 27.43% |
API Access
Westlake Tax Rate 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=tax-rate&ticker=WLK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "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=tax-rate&ticker=WLK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();