Balance Sheet
Cash Flow Statement
Daily Values
Growth Metrics
Income Statement
Amortization - IntangiblesConsolidated Net IncomeCost of RevenueEBITEBITDAEBTEPS (Basic)EPS (Weighted Average and Diluted)Gross ProfitIncome from Continuing OperationsIncome from Non-Controlling InterestsIncome towards Parent CompanyInterest ExpensesInterest ExpensesNet Income towards Common StockholdersNon Operating IncomeOperating ExpensesOperating IncomeProfit After TaxRestructuring CostsRevenueSelling, General & AdministrativeShares OutstandingShares Outstanding (Diluted Average)Shares Outstanding (Weighted Average)Tax ProvisionsTax RateTax Rate
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Ratios

Westlake (WLK) Tax Rate (2010 - 2026)

Westlake's quarterly Tax Rate came in at 17.37% in Q1 2026, up 2031.0% year-on-year from 0.82% in Q1 2025, and down 11.42% quarter-over-quarter from 19.61% in Q4 2025.

Westlake has reported Tax Rate for 17 years, with the latest figure at 17.37% in Q1 2026.

  • For the quarter ending Q1 2026, Tax Rate rose 2031.0% year-over-year to 17.37%; the trailing twelve-month figure through Mar 2026 stood at 9.13% (down 2724.0% YoY), and the FY2025 full-year result was 7.89%, down 2313.0% from the prior year.
  • Tax Rate for Q1 2026 stood at 17.37%, down from 19.61% 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 20.23%, with a median of 19.18% recorded in 2023.
  • Year-over-year, Tax Rate jumped 6748 bps in 2024 and tumbled 6060 bps in 2025.
  • Tracing WLK's Tax Rate over 5 years: 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 decreased by 11 bps to 17.37% in 2026.
  • The last three Tax Rate figures came in at 17.37% (Q1 2026), 19.61% (Q4 2025), and 0.39% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Linde 230.79 Bn 226.84 Bn 4.26 Bn 23.49
2 Chemical & Mining Co Of Chile 127.66 Bn 124.93 Bn 778.60 Mn 41.34
3 Sherwin Williams 72.51 Bn 72.30 Bn 2.78 Bn 21.34
4 Ecolab 70.96 Bn 70.34 Bn 1.85 Bn 13.89
5 Air Products & Chemicals 62.15 Bn 63.70 Bn 987.40 Mn 17.96
6 Ppg Industries 25.04 Bn 23.57 Bn 1.66 Bn 25.53
7 LyondellBasell Industries 21.62 Bn 21.73 Bn 701.00 Mn -1.46
8 Albemarle 20.26 Bn 19.42 Bn 500.97 Mn -
9 DuPont de Nemours 19.45 Bn 19.56 Bn 602.00 Mn 17.13
10 Westlake 11.07 Bn 9.10 Bn 112.00 Mn 17.37

Historic Data

Download Data 🔒
DateValue
Mar 31, 2026 17.37
Mar 31, 2026 17.37
Dec 31, 2025 19.61
Dec 31, 2025 19.61
Sep 30, 2025 0.39
Sep 30, 2025 0.39
Jun 30, 2025 -4.80
Jun 30, 2025 -4.80
Mar 31, 2025 -2.94
Mar 31, 2025 -2.94
Dec 31, 2024 80.21
Dec 31, 2024 80.21
Sep 30, 2024 35.14
Sep 30, 2024 35.14
Jun 30, 2024 23.82
Jun 30, 2024 23.82
Mar 31, 2024 20.60
Mar 31, 2024 20.60
Dec 31, 2023 12.72
Dec 31, 2023 12.72
Sep 30, 2023 19.18
Sep 30, 2023 19.18
Jun 30, 2023 18.57
Jun 30, 2023 18.57
Mar 31, 2023 21.12
Mar 31, 2023 21.12
Dec 31, 2022 18.69
Dec 31, 2022 18.69
Sep 30, 2022 16.94
Sep 30, 2022 16.94
Jun 30, 2022 23.95
Jun 30, 2022 23.95
Mar 31, 2022 23.37
Mar 31, 2022 23.37
Dec 31, 2021 21.78
Dec 31, 2021 21.78
Sep 30, 2021 23.74
Sep 30, 2021 23.74
Jun 30, 2021 22.77
Jun 30, 2021 22.77
Mar 31, 2021 22.15
Mar 31, 2021 22.15
Dec 31, 2020 21.15
Dec 31, 2020 21.15
Sep 30, 2020 -27.78
Sep 30, 2020 -27.78
Jun 30, 2020 -380.00
Jun 30, 2020 -380.00
Mar 31, 2020 -35.34
Mar 31, 2020 -35.34
Dec 31, 2019 -16.44
Dec 31, 2019 -16.44
Sep 30, 2019 23.15
Sep 30, 2019 23.15
Jun 30, 2019 23.21
Jun 30, 2019 23.21
Mar 31, 2019 27.43
Mar 31, 2019 27.43
Dec 31, 2018 25.57
Dec 31, 2018 25.57
Sep 30, 2018 18.67
Sep 30, 2018 18.67
Jun 30, 2018 24.41
Jun 30, 2018 24.41
Mar 31, 2018 23.06
Mar 31, 2018 23.06
Dec 31, 2017 -151.08
Dec 31, 2017 -151.08
Sep 30, 2017 33.23
Sep 30, 2017 33.23
Jun 30, 2017 29.96
Jun 30, 2017 29.96
Mar 31, 2017 27.86
Mar 31, 2017 27.86
Dec 31, 2016 7.60
Dec 31, 2016 7.60
Sep 30, 2016 -10.32
Sep 30, 2016 -10.32
Jun 30, 2016 36.54
Jun 30, 2016 36.54
Mar 31, 2016 34.96
Mar 31, 2016 34.96
Dec 31, 2015 34.51
Dec 31, 2015 34.51
Sep 30, 2015 24.16
Sep 30, 2015 24.16
Jun 30, 2015 31.90
Jun 30, 2015 31.90
Mar 31, 2015 34.26
Mar 31, 2015 34.26
Dec 31, 2014 34.49
Dec 31, 2014 34.49
Sep 30, 2014 42.24
Sep 30, 2014 42.24
Jun 30, 2014 35.29
Jun 30, 2014 35.29
Mar 31, 2014 34.54
Mar 31, 2014 34.54
Dec 31, 2013 33.75
Dec 31, 2013 33.75
Sep 30, 2013 35.26
Sep 30, 2013 35.26
Jun 30, 2013 36.54
Jun 30, 2013 36.54
Mar 31, 2013 35.52
Mar 31, 2013 35.52
Dec 31, 2012 35.93
Dec 31, 2012 35.93
Sep 30, 2012 30.54
Sep 30, 2012 30.54
Jun 30, 2012 34.55
Jun 30, 2012 34.55
Mar 31, 2012 34.85
Mar 31, 2012 34.85
Dec 31, 2011 32.63
Dec 31, 2011 32.63
Sep 30, 2011 35.95
Sep 30, 2011 35.95
Jun 30, 2011 36.28
Jun 30, 2011 36.28
Mar 31, 2011 35.20
Mar 31, 2011 35.20
Dec 31, 2010 34.67
Dec 31, 2010 34.67
Sep 30, 2010 35.31
Sep 30, 2010 35.31
Jun 30, 2010 37.13
Jun 30, 2010 37.13