Strait of Hormuz Blockade Triggers Gulf Output Cuts, Sends Regional Crudes Past $100

Energy chokepoints have shaped history before: the 1956 Suez Crisis strangled 10 % of world oil flows and rewired tanker routes for a decade; the 1984-88 ‘Tanker War’ in the same Gulf drove insurance costs ten-fold. Today’s blockade reprises those lessons but at a scale of roughly 20 % of global supply and in an era of just-in-time inventories. The event underscores two structural trends: (1) persistent vulnerability of fossil-fuel supply chains to low-cost drone warfare and hybrid naval tactics; (2) the growing use of financial fire-hoses—re-insurance, SPR releases, futures intervention—to paper over physical shortfalls. Over a century, this moment may be remembered less for a temporary price spike than for accelerating three longer arcs: the strategic rerouting of Gulf oil toward the Red Sea and Asia, the political weaponisation of maritime insurance, and the push—already visible after the 1970s shocks and the 2022 Ukraine war—toward decarbonisation and energy diversification that could finally erode the Strait of Hormuz’s leverage by 2126.