Westlake WLK
NYSE WLK
$64.52 +0.38 (+0.59%)
As of: Oct 23, 2026 · 3:59 PM EDT

Westlake (WLK) Tax Rate (2010 - 2026)

Updated

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.

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 235.23 Bn 216.81 Bn 4.43 Bn 23.96%
2 Corning 106.66 Bn 99.22 Bn 1.63 Bn 6.16%
3 Sherwin Williams 82.20 Bn 81.24 Bn 3.34 Bn 24.17%
4 Air Products & Chemicals 68.45 Bn 63.64 Bn 1.04 Bn -
5 LyondellBasell Industries 42.89 Bn 32.40 Bn 2.04 Bn 29.21%
6 Nutrien 33.91 Bn 30.74 Bn 3.25 Bn 21.50%
7 Ppg Industries 24.62 Bn 17.28 Bn 1.81 Bn 22.32%
8 International Flavors & Fragrances 23.96 Bn 21.62 Bn 853.00 Mn 48.44%
9 Dow 23.51 Bn 7.01 Bn 2.17 Bn 7.92%
10 Westlake 8.23 Bn -1.15 Bn 652.00 Mn 19.82%
Historic Data

Historic Data

Download Data
DateValue
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_KEY