Oil prices have so far dodged worst-case forecasts, but that reprieve depends on a safety net that could unravel within weeks. Global stockpiles, which have absorbed supply shocks all spring, are draining rapidly, and once they hit minimum operating levels, the market loses its shock absorber entirely.
Analysts warn that if the Strait of Hormuz remains closed into late summer, crude could spike to $130 to $150 per barrel. One projection from Macquarie suggests that if the disruption extends into 2027, prices around $200 may be needed to balance global supply and demand. For American drivers already watching pump prices, such a jump would arrive at a precarious political moment heading into midterm elections.
The math is straightforward but unforgiving. Storage cannot reach zero. Sludge accumulates at tank bottoms. Pipelines require minimum volumes to function. Refineries cannot operate below certain thresholds. Once inventories touch these operational floors, there is no more margin for error.
U.S. commercial crude stockpiles fell by more than 7 million barrels to 426.5 million in the week ending June 5. The Strategic Petroleum Reserve, which the Trump administration has been selling into the market, continues to decline. Other major importing nations face similar depletion curves.
Aaron Brady, lead analyst at S&P Global Energy, stated the core problem plainly: the world has been using inventories to absorb the supply disruption, but this buffer mechanism cannot function indefinitely. If the strait does not reopen within the next month, U.S. stockpiles will approach minimum operating levels, stripping away that protective cushion.
Daniel Pickering of Pickering Energy Partners projected U.S. storage could scrape operational minimums toward the end of summer. At that point, upward pressure on oil and gasoline prices becomes unavoidable.
Several factors have kept prices from hitting catastrophic levels. China's imports have declined. Saudi Arabia and other producers have shifted more barrels through pipelines. A handful of tankers continue threading through the strait. Governments have tapped strategic reserves. Before the current crisis, global inventories were actually rising as production outpaced demand, providing cushion for the shock.
S&P Global Energy identified a specific danger zone: refineries serving the Midwest and Gulf Coast, critical U.S. markets, currently hold 351 million barrels of inventory. Once levels drop below approximately 325 million, the market becomes increasingly vulnerable to logistical bottlenecks and price spikes.
President Trump said Thursday that a deal with Iran is imminent, and oil markets have reacted with caution optimism, with Brent crude trading around its lowest levels in three months at $87.94. Yet expectations have shifted throughout the day before, and could easily shift again.
Oil executives told the Washington Post that some inventories could run dry within weeks. The global oil system has proven surprisingly adaptable during this unprecedented disruption, making precise forecasts difficult. But as summer progresses and storage levels decline, that adaptability will face its sternest test.
Author James Rodriguez: "The market has been living on borrowed time, and the bill is coming due sooner than most expect."
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