US Strikes on Iran Lift Brent Crude 7% as Airlines and Builders Face Input Cost Pressure

The strikes ended the tacit Iran cease-fire declared in April 2024 and targeted IRGC missile production sites. Primary records show the Pentagon confirmed 12 strikes on 8 October while Iranian state media reported damage to facilities in Isfahan province. Oil supply risk premia rose immediately as tanker traffic through the Strait of Hormuz slowed 9% week-on-week per Vortexa data. Wall Street analysts now forecast higher jet fuel and asphalt costs will outweigh upstream gains for integrated oil firms. Airlines with unhedged 2025 exposure face margin compression of 180-220 basis points; homebuilders report lumber and roofing price pass-through already embedded in Q4 guidance. Both sectors cite the same inflation channel: higher energy input costs transmitted through supply chains rather than direct crude ownership. Competing interests center on US deterrence versus domestic price stability. Administration statements emphasize degraded Iranian strike capacity, yet EIA weekly data already records a 4% drawdown in OECD commercial inventories. European and Asian refiners have booked additional Middle East cargoes at elevated differentials, shifting the cost incidence to import-dependent economies. Iranian responses remain limited to asymmetric maritime harassment rather than full export disruption. Next data points include the November OPEC+ meeting and US Treasury sanctions designations expected within 30 days. Sustained prices above $85 would trigger SPR release discussions in Congress while accelerating airline hedging and builder inventory drawdowns.