Growth Metrics

Westlake (WLK) Gross Margin (2016 - 2025)

Westlake has reported Gross Margin over the past 16 years, most recently at 3.43% for Q4 2025.

  • Quarterly results put Gross Margin at 3.43% for Q4 2025, down 810.0% from a year ago — trailing twelve months through Dec 2025 was 7.28% (down 884.0% YoY), and the annual figure for FY2025 was 7.28%, down 884.0%.
  • Gross Margin for Q4 2025 was 3.43% at Westlake, down from 8.32% in the prior quarter.
  • Over the last five years, Gross Margin for WLK hit a ceiling of 33.32% in Q3 2021 and a floor of 3.43% in Q4 2025.
  • Median Gross Margin over the past 5 years was 19.21% (2023), compared with a mean of 18.96%.
  • Biggest five-year swings in Gross Margin: surged 2061bps in 2021 and later tumbled -1406bps in 2022.
  • Westlake's Gross Margin stood at 31.25% in 2021, then tumbled by -45bps to 17.19% in 2022, then tumbled by -59bps to 7.04% in 2023, then soared by 64bps to 11.54% in 2024, then tumbled by -70bps to 3.43% in 2025.
  • The last three reported values for Gross Margin were 3.43% (Q4 2025), 8.32% (Q3 2025), and 8.74% (Q2 2025) per Business Quant data.