The recent spike in global oil prices, where crude briefly surged to USD 126 per barrel on April 30, has exposed a fragile reality beneath the surface of global energy markets, according to JPMorgan. The brokerage firm cautions that what may appear to be ample supply is, in fact, an “illusion of plenty,” with inventories now acting as the system’s only meaningful shock absorber amid escalating geopolitical tensions.
Analyst at JPMorgan noted that “in this war-driven oil shock, inventories have become the market’s primary balancing mechanism,” highlighting a stark departure from typical disruptions where spare production capacity can be quickly deployed. Instead, the current crisis, triggered by conflict in West Asia, has forced the market to rely heavily on stored oil to bridge supply shocks.
The timing of the crisis, the note adds, initially provided some relief. “The world began 2026 with a healthy 8.4 billion barrels in storage,” the bank observed, pointing to the buildup of inventories during 2024 and 2025 when supply exceeded demand. Of this, about 6.6 billion barrels are onshore and 1.8 billion barrels are floating, including cargoes at sea and sanctioned crude effectively functioning as storage.
However, JPMorgan said that headline inventory numbers can be misleading. Not all barrels are readily accessible, and only a fraction can be mobilised without straining the system. “Out of the 8.4 billion barrels in global inventories, we estimate only 0.8 billion barrels are realistically available without pushing the system into operational stress,” the note states.
The drawdown has already begun. As of late April, around 280 million barrels have been consumed to cushion the impact of the conflict, with more pressure building as supply uncertainties persist.
Crucially, JPMorgan highlights the concept of operational limits, cautioning that the system’s vulnerability emerges well before inventories are depleted. “A market can still hold hundreds of millions of barrels, and yet become fragile once working stocks fall too low,” JPMorgan said,
This strain is already evident across different layers of inventory drawdowns. The easiest-to-access barrels, those at sea, have been tapped first. “Inventories on water… have fallen by 140 million barrels over the past two months,” the report noted, reflecting rapid utilisation.
Onshore commercial inventories have also begun to decline more steadily. OECD commercial stocks, for instance, have dropped significantly in recent weeks, while strategic petroleum reserves (SPR) are now being tapped at a pace of roughly 2.5 million barrels per day across major economies like the US, Japan, and South Korea.
The brokerage highlightet that inventory drawdowns cannot continue indefinitely. As accessible reserves shrink, markets are being forced into a more painful adjustment phase driven by demand destruction rather than supply flexibility.
“The market is shifting from a ‘managed’ adjustment… to a ‘forced’ adjustment, where price becomes the primary balancing tool,” JPMorgan said. In practical terms, this means higher prices are already curbing consumption, through reduced travel, lower industrial activity, and trimmed airline capacity.
The data reflects this shift. Global oil demand has already fallen sharply, with a decline of 2.8 million barrels per day in March, worsening to 4.3 million barrels per day in April, and expected to deepen further to around 5.5 million barrels per day in May.
JPMorgan further added that OECD commercial inventories could approach “operational stress levels” by early June, raising the risk of further volatility in oil prices. The brokerage further suggested that while global stocks may appear comfortable on paper, the reality is far more constrained. “Like an onion, inventory draws happen in layers.”
