Westlake (WLK) Operating Income (2010 - 2026)

Westlake's Operating Income history runs 17 years deep, the most recent figure standing at -$172.0 million for Q1 2026.

• In Q1 2026, Operating Income fell 437.5% year-over-year to -$172.0 million; the TTM figure through Mar 2026 stood at -$1.7 billion (down 377.1% YoY), while the FY2025 annual figure was -$1.6 billion, down 280.34% from the prior year.
• Operating Income was -$172.0 million for Q1 2026 at Westlake, up from -$671.0 million in the prior quarter.
• In the past five years, Operating Income ranged from a high of $1.2 billion in Q2 2022 to a low of -$766.0 million in Q3 2025.
• Historically, Operating Income has averaged $170.8 million across 5 years, with a median of $223.0 million in 2024.
• The sharpest annual moves came in 2022 and 2025: Operating Income jumped 198.27% in 2022, then plunged 1116.67% in 2025.
• A 5-year view of Operating Income shows it stood at $327.0 million in 2022, then sank by 268.81% to -$552.0 million in 2023, then surged by 111.96% to $66.0 million in 2024, then slumped by 1116.67% to -$671.0 million in 2025, then jumped by 74.37% to -$172.0 million in 2026.
• The last three Operating Income figures came in at -$172.0 million (Q1 2026), -$671.0 million (Q4 2025), and -$766.0 million (Q3 2025), per Business Quant data.