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Crack Spread Skyrockets: Refined Fuel Costs Surge
16 Aug
Summary
- The crack spread, measuring refined fuel vs. crude oil price, is at $66/barrel.
- Refinery capacity limits and Strait of Hormuz disruptions drive the spread.
- US strategic reserves are being released, masking crude oil price increases.
The energy market is signaling concern through the crack spread, the price difference between crude oil and refined fuels like gasoline and diesel. Currently standing at $66 per barrel as of August 16, 2026, this figure is more than double typical historical levels observed between August 2025 and February 2026, which ranged from $20 to $35 per barrel. This dramatic increase has occurred since the start of the West Asia conflict, with the spread consistently hovering between $60 and $70 per barrel over the last month.
The surge is driven by multiple factors, including significant disruptions to refined fuel transit through the Strait of Hormuz, a critical chokepoint for approximately one-fifth of global refined petroleum. Compounding this, existing refinery capacity appears to be at its limit, despite the clear financial incentive to refine more fuel. This bottleneck has been exacerbated by the Russia-Ukraine conflict, further constraining supply.
While refined fuel prices have climbed sharply, crude oil prices have not risen proportionally. This is largely due to the deliberate release of crude oil inventories from strategic reserves. The US has depleted its Strategic Petroleum Reserve (SPR) by 116 million barrels since the conflict began, reaching its lowest point since 1983. China is also believed to be releasing reserves, contributing to this price masking effect. This combination of refinery constraints and inventory drawdowns has pushed the crack spread to record highs.
For India, the situation presents a mixed economic picture. While consumers face higher refined fuel costs, domestic refineries benefit from the high crack spread, as India refines most of its fuel internally, mitigating the impact on its import bill. The ongoing release of crude oil inventories has also provided a macroeconomic buffer. However, this situation is temporary and contingent on continued inventory releases. Once these reserves are depleted or their release halted, crude oil prices are expected to rise, narrowing the crack spread.
