Iran’s currency has collapsed to an all-time low against the US dollar, crashing past 2.2 million rials per dollar. This depreciation follows a near-total blockade of Iranian oil exports by the United States military.

The economic pressure intensifies six months into conflict with the US and Israel. President Donald Trump described the campaign as "economic D-Day" for Iran. The White House aims to extract concessions through this financial isolation.

US Military Blockade Holds

As of September 2, US forces redirected 86 commercial vessels from Iran. Central Command (CENTCOM) confirmed that American forces disabled three vessels and boarded two to ensure compliance with the blockade.

CENTCOM also stated that US forces struck three Iranian crude oil tankers. Two were disabled near Kharg Island, Iran’s key export hub. A third was destroyed in the Gulf of Oman.

Energy industry sources report that Iran has gone seven weeks without shipping meaningful crude exports through the Strait of Hormuz. As of mid-August, at least 41 million barrels of Iranian crude were stuck on vessels inside the Gulf, according to Kpler.

Iranian Economy in Freefall

Official unemployment rose to 9.1% in the spring. The number of those in work fell by about 450,000 from a year earlier.

Inflation remains high. Official figures put 12-month average inflation at 69.9%. Food, beverages and tobacco prices rose at nearly twice that rate. Year-on-year inflation reached 87.9% in July, Bloomberg reported.

The currency crash has exacerbated pre-existing pain. The rial was at 1 million to the dollar a year ago. This volatility triggered mass protests in January, which were met with a deadly state crackdown.

Sanctions Expand Further

The Trump administration launched Operation Economic Outcast in late August. Treasury Secretary Scott Bessent promised to cut off financial channels keeping Iran’s government afloat.

US Secretary of State Marco Rubio instructed diplomats to tell host countries they must "systematically identify and sever" ties to Iran. He said branches of Iranian banks must shut down immediately.

The US Treasury Department announced it was targeting a Turkish bank and its subsidiaries. These entities allegedly serve as "critical financial lifelines" to Iran.

Partners Join US

Treasury Secretary Bessent said the US has seen "great support around the world" for its campaign. CNBC reported that the European Union has formally joined the US-led sanctions campaign.

However, the European Commission’s statement stopped short of committing to new sanctions or aligning with US designations.

Regional partners are shifting posture. The UAE severed its economic ties with Iran in August. It accused Tehran of firing ballistic missiles at its territory. The UAE had served as a key intermediary for Western goods and a financial hub for Iranian businesses.

What the Numbers Show

The divergence between inflation rates highlights severe cost-of-living pressures. While overall inflation stands at 69.9%, food, beverages and tobacco prices are rising at nearly twice that rate. This suggests that essential goods are becoming disproportionately unaffordable for the population, potentially driving social unrest beyond general economic dissatisfaction.

South Korea is reportedly considering a military deployment to the Strait of Hormuz, aligning with Washington’s efforts to isolate Iran. The government is evaluating options ranging from combat to search operations, balancing these moves against domestic legal requirements and security on the Korean Peninsula.

The potential move comes as the European Union endorsed the Trump administration’s "Operation Economic Outcast," launched in late August. This campaign targets Iran’s access to digital assets, advanced technology, gold, commercial aviation, and shipping.

EU Backs US Pressure Campaign

Treasury Secretary Scott Bessent praised the EU’s "strong and early stance" on Thursday. He stated that the world is sending a clear message to the Iranian regime. Bessent pressed other nations at the G20 finance gathering in Asheville, North Carolina, to support the U.S. effort. He warned that countries continuing to do business with Iran could face exclusion from the dollar-based financial system.

Brussels endorsed efforts to curb Tehran’s destabilizing activities on August 31. This support aims to increase economic pressure on Iran and restart peace talks.

Balancing Regional Security

President Donald Trump ordered the Pentagon to substantially reduce U.S.-South Korea military exercises last month. Cited reasons included high costs, his relationship with North Korean leader Kim Jong Un, and South Korea’s refusal to join U.S. efforts against Iran. Critics warned that scaling back drills could weaken allied readiness against North Korea.

South Korea later backed Trump’s efforts to revive talks with Pyongyang. National Security Adviser Wi Sung-lac insisted that any dialogue must produce progress on denuclearization without weakening Seoul’s security posture. He emphasized that Seoul wants close coordination with Washington and does not want to be sidelined.

Officials noted that deploying even one or two service members overseas would legally qualify as a troop deployment under the Constitution. Nothing has been decided, but options are under review.