United States Oil Fund (USO) Market Capitalization (2009 - 2026)

United States Oil Fund (USO) has reported Market Capitalization for 18 consecutive years, with $1.6 billion the latest figure, recorded in Q2 2026.

• On a quarterly basis, Market Capitalization rose 51.36% year-over-year to $1.6 billion in Q2 2026; TTM through Jun 2026 was $1.6 billion, a 51.36% increase from a year earlier, with the FY2025 full-year figure at $1.0 billion, down 23.46% from the prior year.
• Market Capitalization was $1.6 billion for Q2 2026 at United States Oil Fund, down from $2.0 billion in the prior quarter.
• Over five years, Market Capitalization peaked at $2.7 billion in Q1 2022 and troughed at $975.2 million in Q3 2025.
• A 5-year average of $1.6 billion and a median of $1.5 billion in 2023 frame the typical range for Market Capitalization.
• Across the five-year window, Market Capitalization sank 47.25% in 2023 and jumped 96.82% in 2026, its largest moves.
• Over 5 years, Market Capitalization stood at $2.5 billion in 2022, then plunged by 38.13% to $1.5 billion in 2023, then declined by 12.48% to $1.3 billion in 2024, then slipped by 23.46% to $1.0 billion in 2025, then surged by 53.9% to $1.6 billion in 2026.
• The last three Market Capitalization figures came in at $1.6 billion (Q2 2026), $2.0 billion (Q1 2026), and $1.0 billion (Q4 2025), per Business Quant data.