Core Insights - The U.S. war against Iran has led to a significant oil shock, with major stock market indexes experiencing declines of over 1% [1] - The Strait of Hormuz is effectively closed for the first time in history, causing regional producers to reduce output due to security concerns [2] - Oil traffic through the Strait has dropped to 15% of normal levels, with Iranian naval warnings and drone attacks contributing to the disruption [3] Oil Market Impact - The Strait of Hormuz typically carries about 20% of the world's oil, and the current situation represents a historic disruption in daily oil production [3][4] - West Texas Intermediate crude futures have surged by 70% in just over a week, marking the largest gain in the history of the futures contract [4] - Crude prices have increased nearly 77% in 2026, following a period of trading below $70 [4] Consumer and Political Implications - The rising oil prices are expected to have significant domestic implications in the U.S., with predictions of gas prices reaching $4 to $5 per gallon within weeks [5] - The cost of living is already a critical political issue in the U.S., particularly in a midterm election year [5]