Westlake WLK
NYSE WLK
$70.88 -0.74 (-1.03%)
As of: Sep 11, 2026 · 3:59 PM EDT

Westlake (WLK) Tax Rate (2010 - 2026)

Westlake (WLK) posted Tax Rate of 19.82% for Q2 2026, up 14.13% on a QoQ basis from 17.37% in Q1 2026, and up 2462.0% year-over-year from 0.77% in Q2 2025.

Analysis

Westlake (WLK) Tax Rate (2010 - 2026) Analysis & Trends

Westlake has reported Tax Rate for 17 years, with the latest figure at 19.82% in Q2 2026.

  • On a quarterly basis, Tax Rate rose 2462.0% year-over-year to 19.82% in Q2 2026; TTM through Jun 2026 was 7.67%, a 11446.0% decrease from a year earlier, with the FY2025 full-year figure at 7.89%, down 2313.0% from the prior year.
  • Tax Rate was 19.82% for Q2 2026 at Westlake, up from 17.37% in the prior quarter.
  • The five-year high for Tax Rate was 80.21% in Q4 2024, with the low at 4.8% in Q2 2025.
  • Average Tax Rate over 5 years is 20.21%, with a median of 19.39% recorded in 2023.
  • The sharpest annual moves came in 2024 and 2025: Tax Rate soared 6748 bps in 2024, then slumped 6060 bps in 2025.
  • Over 5 years, Tax Rate stood at 18.69% in 2022, then slumped by 32 bps to 12.72% in 2023, then jumped by 530 bps to 80.21% in 2024, then tumbled by 76 bps to 19.61% in 2025, then grew by 1 bps to 19.82% in 2026.
  • The last three Tax Rate figures came in at 19.82% (Q2 2026), 17.37% (Q1 2026), and 19.61% (Q4 2025), per Business Quant data.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 LyondellBasell Industries 41.13 Bn 38.50 Bn 2.04 Bn 29.21%
2 Westlake 9.05 Bn 7.20 Bn 652.00 Mn 19.82%
3 Celanese 5.08 Bn 3.72 Bn 618.00 Mn 7.75%
4 Methanex 4.57 Bn 4.18 Bn 638.01 Mn -29.95%
5 Chemours 2.28 Bn 1.61 Bn 286.00 Mn -27,300.00%
6 Olin 1.95 Bn 1.78 Bn 170.20 Mn 450.00%
7 Sino Green Land 1.85 Bn 1.85 Bn -78,936.00 -
8 Braskem 1.65 Bn -541.37 Mn - -
9 Ecovyst 1.09 Bn 997.78 Mn 49.85 Mn 28.16%
10 Kronos Worldwide 932.89 Mn 906.29 Mn 102.80 Mn 33.62%
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 19.82%
Mar 31, 2026 17.37%
Dec 31, 2025 19.61%
Sep 30, 2025 0.39%
Jun 30, 2025 -4.80%
Mar 31, 2025 -2.94%
Dec 31, 2024 80.21%
Sep 30, 2024 35.14%
Jun 30, 2024 23.82%
Mar 31, 2024 20.60%
Dec 31, 2023 12.72%
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%