Westlake (WLK) Operating Income (2010 - 2026)

Westlake has reported Operating Income for 17 years, with the latest figure at -$172.0 million in Q1 2026.

• For the quarter ending Q1 2026, Operating Income fell 437.5% year-over-year to -$172.0 million; the trailing twelve-month figure through Mar 2026 stood at -$1.7 billion (down 377.1% YoY), and the FY2025 full-year result was -$1.6 billion, down 280.34% from the prior year.
• Operating Income for Q1 2026 stood at -$172.0 million, up from -$671.0 million in the prior quarter.
• The five-year high for Operating Income was $1.2 billion in Q2 2022, with the low at -$766.0 million in Q3 2025.
• Average Operating Income over 5 years is $170.8 million, with a median of $223.0 million recorded in 2024.
• Year-over-year, Operating Income soared 198.27% in 2022 and plunged 1116.67% in 2025.
• Tracing WLK's Operating Income over 5 years: stood at $327.0 million in 2022, then plunged by 268.81% to -$552.0 million in 2023, then soared by 111.96% to $66.0 million in 2024, then sank by 1116.67% to -$671.0 million in 2025, then surged 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.

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