High Costs and Outflows Test USO.P’s Value as Oil Proxy

ETF Overview and Capital Flows

The United States Oil Fund LP (USO.P) is a commodity ETF designed to track WTI crude oil prices through short-term NYMEX futures contracts. As a non-leveraged, long-only vehicle, it offers direct exposure to oil markets without derivative complexity. Recent capital flows show a net outflow of $32.9 million on March 27, 2026, driven by large institutional orders. This contrasts with its 0.70% expense ratio, which is notably higher than many peers. The fund’s structure and focus on physical futures make it a liquid proxy for crude oil price movements.

Peer ETF Snapshot

• APMU.P charges 0.35% expense ratio with $218M AUM and 1.0 leverage ratio.
• AGGS.P has 0.35% expense ratio, $39M AUM, and 1.0 leverage ratio.
• AGGH.P offers 0.30% expense ratio, $430M AUM, and 1.0 leverage ratio.
• ANGL.O carries 0.25% expense ratio, $3B AUM, and 1.0 leverage ratio.
• AGG.P stands out with 0.03% expense ratio and $138B AUM, though it focuses on bonds.

Opportunities and Structural Constraints

USO.P’s direct crude oil exposure and liquidity make it a tactical tool for energy-sector positioning. However, its 0.70% expense ratio lags behind peers like ANGL.O (0.25%) and AGGH.P (0.30%), which could erode returns in prolonged trends. The recent outflows highlight sensitivity to institutional demand shifts, while its lack of leverage limits amplification of oil price moves. For now, investors must weigh its market access against cost inefficiencies and structural flow dynamics.