Growth Metrics

Westlake (WLK) Debt to Equity (2010 - 2026)

Westlake's quarterly Debt to Equity came in at $0.62 in Q1 2026, up 46.49% year-on-year from $0.42 in Q1 2025, and down 3.11% quarter-over-quarter from $0.64 in Q4 2025.

Westlake has reported Debt to Equity for 17 years, with the latest figure at $0.62 in Q1 2026.

  • For the quarter ending Q1 2026, Debt to Equity rose 46.49% year-over-year to $0.62; the trailing twelve-month figure through Mar 2026 stood at $0.62 (up 46.49% YoY), and the FY2025 full-year result was $0.64, up 53.74% from the prior year.
  • Debt to Equity for Q1 2026 stood at $0.62, down from $0.64 in the prior quarter.
  • The five-year high for Debt to Equity was $0.64 in Q4 2025, with the low at $0.41 in Q3 2024.
  • Average Debt to Equity over 5 years is $0.48, with a median of $0.45 recorded in 2023.
  • Year-over-year, Debt to Equity slipped 28.38% in 2022 and surged 53.74% in 2025.
  • Tracing WLK's Debt to Equity over 5 years: stood at $0.47 in 2022, then retreated by 2.24% to $0.46 in 2023, then decreased by 9.36% to $0.41 in 2024, then surged by 53.74% to $0.64 in 2025, then fell by 3.11% to $0.62 in 2026.
  • The last three Debt to Equity figures came in at $0.62 (Q1 2026), $0.64 (Q4 2025), and $0.49 (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Debt/Equity (Qtr)
1 Linde 230.79 Bn 226.84 Bn 4.26 Bn 0.62
2 Chemical & Mining Co Of Chile 127.66 Bn 124.93 Bn 778.60 Mn 0.58
3 Sherwin Williams 72.51 Bn 72.30 Bn 2.78 Bn 2.10
4 Ecolab 70.96 Bn 70.34 Bn 1.85 Bn 0.84
5 Air Products & Chemicals 62.15 Bn 63.70 Bn 987.40 Mn 1.11
6 Ppg Industries 25.04 Bn 23.57 Bn 1.66 Bn 0.87
7 LyondellBasell Industries 21.62 Bn 21.73 Bn 701.00 Mn 1.26
8 Albemarle 20.26 Bn 19.42 Bn 500.97 Mn 0.19
9 DuPont de Nemours 19.45 Bn 19.56 Bn 602.00 Mn 0.22
10 Westlake 11.07 Bn 9.10 Bn 112.00 Mn 0.62

Historic Data

Download Data 🔒
DateValue
Mar 31, 2026 0.62
Dec 31, 2025 0.64
Sep 30, 2025 0.49
Jun 30, 2025 0.43
Mar 31, 2025 0.42
Dec 31, 2024 0.41
Sep 30, 2024 0.41
Jun 30, 2024 0.44
Mar 31, 2024 0.45
Dec 31, 2023 0.46
Sep 30, 2023 0.43
Jun 30, 2023 0.44
Mar 31, 2023 0.45
Dec 31, 2022 0.47
Sep 30, 2022 0.47
Jun 30, 2022 0.49
Mar 31, 2022 0.56
Dec 31, 2021 0.61
Sep 30, 2021 0.66
Jun 30, 2021 0.48
Mar 31, 2021 0.52
Dec 31, 2020 0.54
Sep 30, 2020 0.57
Jun 30, 2020 0.58
Mar 31, 2020 0.69
Dec 31, 2019 0.54
Sep 30, 2019 0.54
Jun 30, 2019 0.43
Mar 31, 2019 0.43
Dec 31, 2018 0.44
Sep 30, 2018 0.44
Jun 30, 2018 0.46
Mar 31, 2018 0.55
Dec 31, 2017 0.71
Dec 31, 2016 0.95
Sep 30, 2016 0.04
Dec 31, 2015 0.21
Sep 30, 2015 0.22
Jun 30, 2015 0.22
Mar 31, 2015 0.23
Dec 31, 2014 0.24
Sep 30, 2014 0.24
Jun 30, 2014 0.28
Mar 31, 2014 0.30
Dec 31, 2013 0.32
Sep 30, 2013 0.34
Jun 30, 2013 0.36
Mar 31, 2013 0.38
Dec 31, 2012 0.41
Sep 30, 2012 0.38
Jun 30, 2012 0.39
Mar 31, 2012 0.41
Dec 31, 2011 0.44
Sep 30, 2011 0.44
Jun 30, 2011 0.46
Dec 31, 2010 0.51