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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 (2016 - 2025)

Westlake has reported Tax Rate over the past 16 years, most recently at 19.61% for Q4 2025.

  • Quarterly results put Tax Rate at 19.61% for Q4 2025, down 6060.0% from a year ago — trailing twelve months through Dec 2025 was 7.89% (down 2313.0% YoY), and the annual figure for FY2025 was 7.89%, down 2313.0%.
  • Tax Rate for Q4 2025 was 19.61% at Westlake, up from 0.39% in the prior quarter.
  • Over the last five years, Tax Rate for WLK hit a ceiling of 80.21% in Q4 2024 and a floor of 4.8% in Q2 2025.
  • Median Tax Rate over the past 5 years was 20.86% (2023), compared with a mean of 20.85%.
  • Biggest five-year swings in Tax Rate: soared 40277bps in 2021 and later crashed -6060bps in 2025.
  • Westlake's Tax Rate stood at 21.78% in 2021, then dropped by -14bps to 18.69% in 2022, then crashed by -32bps to 12.72% in 2023, then skyrocketed by 530bps to 80.21% in 2024, then plummeted by -76bps to 19.61% in 2025.
  • The last three reported values for Tax Rate were 19.61% (Q4 2025), 0.39% (Q3 2025), and 4.8% (Q2 2025) per Business Quant data.