Treasury Secretary Scott Bessent announced on Monday a new sanctions campaign against Iran termed "Operation Economic Outcast." The initiative, which President Trump characterized as an "economic D-day," aims to use financial pressure to force the Iranian government to negotiate an end to the current conflict and reopen the Strait of Hormuz. The announcement follows six months of war between the U.S., Israel, and Iran, which began in February 2026.
The Treasury Department stated that the operation expands secondary sanctions to target countries and entities that continue to trade with Tehran. The new measures cover several sectors, including digital assets, gold, aviation, technology, and shipping. According to Bessent, the objective is to remove any entity facilitating Iranian money laundering from the U.S. dollar system. The administration is also reportedly issuing specific requests and timelines to world leaders to cease transactions with the Iranian government.
The new sanctions add to a long history of U.S. economic restrictions on Iran, some dating back nearly 50 years. Recent actions include an August 7 designation of Shahr Bank and several exchange houses in Dubai for allegedly laundering oil revenue. While the administration describes this as the "single greatest financial offensive ever," some analysts, including former diplomat Alan Eyre, questioned the utility of new measures, suggesting most effective sanctions targets have already been exhausted. Iranian officials have dismissed the pressure, with Security Chief Mohsen Rezaei vowing a "seismic" retaliation that could target oil tankers in the Persian Gulf.
For the Iranian population, the "economic D-day" policy is expected to deepen an existing financial crisis. Internal reports indicate inflation in Iran has reached 90%, and the national currency, the rial, has fallen to a record low. Ordinary citizens have reported being forced to buy food on credit and struggling to afford essential medicines like insulin due to rising prices and currency devaluation. The U.N. warned that these disruptions are driving up global prices for basic goods, prompting Secretary-General António Guterres to propose a neutral monitoring system to protect civilian trade in the Strait of Hormuz.
The policy also carries significant risks for regional security and global energy costs. Iran has threatened to ensure "not even a single drop of oil" leaves the region if the sanctions proceed, raising the possibility of further attacks on tankers or U.S. bases in neighboring Gulf states like Kuwait, Saudi Arabia, and the United Arab Emirates. The Strait of Hormuz is a critical maritime chokepoint; its continued closure or further disruption would impact global fuel supplies. Moving forward, the Treasury Department indicated the "clock just started ticking" for entities to sever ties with Iran, though specific deadlines for foreign governments to comply were not immediately made public.