Westlake (WLK) EBITDA (2010 - 2026)

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

• On a quarterly basis, EBITDA fell 437.5% year-over-year to -$172.0 million in Q1 2026; TTM through Mar 2026 was -$1.7 billion, a 377.1% decrease from a year earlier, with the FY2025 full-year figure at -$1.6 billion, down 280.34% from the prior year.
• EBITDA rose to -$172.0 million in Q1 2026 per WLK's latest filing, from -$671.0 million in the prior quarter.
• Across five years, EBITDA topped out at $1.2 billion in Q2 2022 and bottomed at -$766.0 million in Q3 2025.
• The 5-year median for EBITDA is $223.0 million (2024), against an average of $170.8 million.
• Across the five-year window, EBITDA soared 198.27% in 2022 and plunged 1116.67% in 2025, its largest moves.
• Year by year, EBITDA stood at $327.0 million in 2022, then tumbled by 268.81% to -$552.0 million in 2023, then surged by 111.96% to $66.0 million in 2024, then plunged by 1116.67% to -$671.0 million in 2025, then jumped by 74.37% to -$172.0 million in 2026.
• Per Business Quant, the three latest WLK EBITDA figures stand at -$172.0 million (Q1 2026), -$671.0 million (Q4 2025), and -$766.0 million (Q3 2025).