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.

• In Q1 2026, Net Margin fell 469.0% year-over-year to 5.92%; the TTM figure through Mar 2026 stood at 14.51% (down 1807.0% YoY), while the FY2025 annual figure was 13.17%, down 1850.0% from the prior year.
• Net Margin was 5.92% for Q1 2026 at Westlake, up from 21.04% in the prior quarter.
• In the past five years, Net Margin ranged from a high of 19.47% in Q2 2022 to a low of 27.2% in Q3 2025.
• Historically, Net Margin has averaged 1.83% across 5 years, with a median of 6.22% in 2024.
• The sharpest annual moves came in 2024 and 2025: Net Margin jumped 1790 bps in 2024, then plunged 3105 bps in 2025.
• A 5-year view of Net Margin shows it stood at 7.52% in 2022, then plunged by 329 bps to 17.23% in 2023, then surged by 104 bps to 0.67% in 2024, then sank by 3249 bps to 21.04% in 2025, then jumped by 72 bps to 5.92% in 2026.
• The last three Net Margin figures came in at 5.92% (Q1 2026), 21.04% (Q4 2025), and 27.2% (Q3 2025), per Business Quant data.