Westlake (WLK) Net Margin (2010 - 2026)

Westlake's Net Margin history runs 17 years deep, the most recent figure standing at 5.92% for Q1 2026.

• On a quarterly basis, Net Margin fell 469.0% year-over-year to 5.92% in Q1 2026; TTM through Mar 2026 was 14.51%, a 1807.0% decrease from a year earlier, with the FY2025 full-year figure at 13.17%, down 1850.0% from the prior year.
• Net Margin grew to 5.92% in Q1 2026 per WLK's latest filing, from 21.04% in the prior quarter.
• Across five years, Net Margin topped out at 19.47% in Q2 2022 and bottomed at 27.2% in Q3 2025.
• The 5-year median for Net Margin is 6.22% (2024), against an average of 1.83%.
• Across the five-year window, Net Margin soared 1790 bps in 2024 and plunged 3105 bps in 2025, its largest moves.
• Year by year, Net Margin stood at 7.52% in 2022, then slumped by 329 bps to 17.23% in 2023, then surged by 104 bps to 0.67% in 2024, then tumbled by 3249 bps to 21.04% in 2025, then jumped by 72 bps to 5.92% in 2026.
• Per Business Quant, the three latest WLK Net Margin figures stand at 5.92% (Q1 2026), 21.04% (Q4 2025), and 27.2% (Q3 2025).