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Why the USO oil ETF is a better buy than crude futures as the Iran war rages

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Myra P. Saefong

July 30, 2026
Why the USO oil ETF is a better buy than crude futures as the Iran war rages

The United States Oil Fund (USO) has significantly outperformed WTI crude futures since the onset of the Iran conflict. Investors are increasingly favoring the ETF for its accessibility and distinct performance dynamics during periods of geopolitical instability.

The Divergence Between USO and Crude Futures

The ongoing conflict involving Iran has triggered significant volatility in global energy markets, creating a unique environment for commodity investors. Recent data highlights a striking performance gap: the United States Oil Fund (USO) has surged by 58% since the start of hostilities, a figure that dramatically outpaces the gains observed in West Texas Intermediate (WTI) crude futures. This divergence suggests that market participants are recalibrating their strategies to account for the specific liquidity and structural advantages offered by exchange-traded products during times of crisis.

Understanding the Performance Gap

At the core of this disparity lies the mechanical difference between holding an exchange-traded fund (ETF) and trading direct futures contracts. While WTI futures are the primary benchmark for crude oil pricing, they are subject to the complexities of the futures curve, including contango and backwardation, which can erode returns over time. The USO, by contrast, provides a proxy for daily price movements that retail and institutional investors find easier to navigate, especially when geopolitical risk premiums are rapidly inflating energy prices.

The Role of Geopolitical Risk

The Iran war has introduced a heightened level of uncertainty into the global oil supply chain. Because Iran is a major player in the Organization of the Petroleum Exporting Countries (OPEC), any threat to its infrastructure or regional shipping lanes—such as the Strait of Hormuz—creates an immediate supply-side shock. The 58% climb in the USO reflects a market that is aggressively pricing in these supply disruptions, as investors flock to the ETF as a hedge against energy inflation and broader market instability.

Strategic Advantages for Investors

For many investors, the USO offers an accessible vehicle to gain exposure to crude oil without the logistical burdens of margin calls or the expiration-cycle management required by futures contracts. The fact that the USO has doubled the gains of WTI futures suggests that capital flows into the ETF have been substantial, potentially creating a feedback loop where increased demand for the fund itself influences its price action relative to the underlying commodity futures.

Broader Market Implications and Future Trends

Looking ahead, the sustained outperformance of the USO relative to WTI futures could signal a shift in how institutional and retail capital approaches energy hedging. If the geopolitical tension in the Middle East persists, we can expect continued volatility that favors vehicles capable of capturing daily price momentum. However, investors must remain cautious; ETFs like the USO are highly sensitive to market sentiment and the specific structure of their holdings, which may not always track the spot price of oil with perfect fidelity.

Conclusion

In summary, the 58% growth of the United States Oil Fund since the beginning of the Iran conflict underscores the complexities of modern energy trading. While WTI futures remain the fundamental bedrock of oil pricing, the USO has emerged as a preferred tool for those seeking to capitalize on the rapid shifts caused by geopolitical conflict. As the situation in Iran evolves, the performance gap between these two instruments will remain a critical metric for monitoring market sentiment and investor behavior in the energy sector.

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