Westlake (WLK) Inventory (2010 - 2026)

Westlake's Inventory history runs 17 years deep, the most recent figure standing at $1.7 billion for Q1 2026.

• In Q1 2026, Inventory fell 5.84% year-over-year to $1.7 billion; the TTM figure through Mar 2026 stood at $1.7 billion (down 5.84% YoY), while the FY2025 annual figure was $1.7 billion, down 2.59% from the prior year.
• Inventory was $1.7 billion for Q1 2026 at Westlake, up from $1.7 billion in the prior quarter.
• In the past five years, Inventory ranged from a high of $2.0 billion in Q3 2022 to a low of $1.6 billion in Q4 2023.
• Historically, Inventory has averaged $1.8 billion across 5 years, with a median of $1.7 billion in 2025.
• The sharpest annual moves came in 2022 and 2023: Inventory surged 109.43% in 2022, then declined 17.39% in 2023.
• A 5-year view of Inventory shows it stood at $1.9 billion in 2022, then slipped by 13.08% to $1.6 billion in 2023, then advanced by 4.62% to $1.7 billion in 2024, then slipped by 2.59% to $1.7 billion in 2025, then increased by 1.45% to $1.7 billion in 2026.
• The last three Inventory figures came in at $1.7 billion (Q1 2026), $1.7 billion (Q4 2025), and $1.7 billion (Q3 2025), per Business Quant data.