Oil & Energy × Iran War Disruption — March 2026
Strait of Hormuz Closure, Yuan Oil Settlement & Global Energy Supply Shock — Iran War, March 2026
Executive Summary
The February 28, 2026 US-Israel strikes on Iran have triggered the most severe simultaneous maritime energy disruption since the 1973 oil embargo. The Strait of Hormuz — through which 21% of global oil and 20% of global LNG transits — is effectively closed: Lloyd's underwriters have cancelled marine insurance outright, and Maersk has suspended all services. Houthi attacks have simultaneously closed the Bab el-Mandeb, forcing all non-military tanker traffic to reroute via the Cape of Good Hope, adding 10–14 days and over $1M in additional fuel costs per voyage. Iran's announcement of oil sales in yuan on March 12 adds a petrodollar dimension that energy trading desks are not yet fully pricing.
sUI Score: 0.66 (MEDIUM-HIGH) — Lower divergence than corporate or defense reports (DI: 0.24) reflects broad agreement on the severity of the supply disruption. Primary uncertainty is OPEC+ political decision-making on spare capacity (C7 at 45%) and Kharg Island damage extent (C6 at 50%).
7 validated for robustness against alternative scenarios actions inside. Each action references the probability assumptions that govern its urgency.
7 Actions Inside
C1 at 95% and C2 at 80% together make dual-corridor closure the near-certain operational environment. Any voyage still routed through Hormuz or Bab el-Mandeb carries insurance cancellation risk and physical safety risk. Delaying rerouting instructions compounds downstream refinery scheduling disruption.
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