Iran's currency plunges to new record low as war grinds on

Iran's currency fell to a new record low on Tuesday, with traders in Tehran exchanging more than 2.5 million rials for a single U.S. dollar, according to news organizations tracking the country's open-market exchange rate. The decline came just 27 days after the rial hit its previous record of 2.2 million to the dollar on Sept. 2, and marked a drop of nearly 9 percent from levels recorded as recently as Sunday evening. As recently as early January, before the war began, the dollar traded at roughly 1.47 million rials on the open market — meaning the rial has shed more than 40 percent of its value in under nine months.

The currency has lost roughly a quarter of its value against the dollar over the past month alone, a collapse that officials and analysts tie directly to the war that began in February, when Israeli and American strikes targeted Iran's nuclear and military infrastructure. A U.S. naval blockade on Iranian oil exports and new rounds of sanctions imposed since the fighting started have choked off the hard-currency revenue the government relies on to defend the rial.

Diplomacy stalls

Indirect talks between Washington and Tehran, mediated by Qatar and Pakistan, are continuing but have produced no breakthrough. Secretary of State Marco Rubio has described Iran's financial trajectory as heading toward an economic "cataclysm," and U.S. officials say they are confident Tehran will eventually accept terms for reopening shipping through the Strait of Hormuz. A conditional ceasefire reached in April, followed by a memorandum of understanding in June, briefly halted the largest strikes, but the truce unraveled over the summer after Iran struck commercial vessels it accused of bypassing an approved shipping route. Fighting has continued intermittently since, and reporting on the conflict indicates disputes over Iran's nuclear program, the strait and sanctions relief remain unresolved.

What happens next

U.S. officials have signaled they expect economic pressure to eventually force Iran back to the table on terms more favorable to Washington, with Trump predicting a resolution is more likely after November's U.S. midterm elections. Absent a diplomatic breakthrough, analysts expect the rial to keep testing new lows in the weeks ahead.