Iran’s currency Sunday dropped to its lowest value ever as talks to revive the country’s tattered nuclear deal with world powers remained deadlocked.

Traders in Tehran exchanged the rial at 332,000 to the U.S. dollar, up from 327,500 on Saturday. That marked more than a 4.4% change compared to June 1, when it traded at 318,000 to the dollar.

Iran’s currency was trading at 32,000 rials to the dollar at the time of Tehran’s 2015 nuclear deal with world powers.

The rial’s new low came as U.S. sanctions against the country are still in force. 

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Iran’s economy is struggling mightily, mostly because of the U.S. pullout from the 2015 nuclear deal between Iran and world powers that restored sanctions on Iran’s oil and banking sectors. Talks in Vienna to renew the agreement have been deadlocked for months.

Street money exchanger

A street money exchanger poses for a photo without showing his face as he counts foreign banknotes on Ferdowsi street, Tehran's go-to venue for foreign currency exchange, Sunday, June 12, 2022. (AP Photo/Vahid Salemi)

Meanwhile, police arrested 31 currency and gold traders accused of creating "false demand" in the market, state TV reported without elaborating.

Separately, Iran’s Mahan Air spokesman denied owning a Boeing 747 that Argentina seized after it landed Monday in Cordoba, Argentina.

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Hossein Zolanvari told the official IRNA news agency that his company sold the Boeing to a Venezuelan company about a year ago.

Iran's Revolutionary Guard Col. Hassan Sayyad

People mourn next to the flag-draped coffin of Iran's Revolutionary Guard Col. Hassan Sayyad Khodaei, who was killed, at his funeral in Tehran, Iran, May 24, 2022.  (AP Photo/Vahid Salemi)

"Mentioning Mahan Air in connection with the impounded airplane was aimed at political purposes," he said. He said the plane’s crew also has no connection to Mahan Air.

It wasn’t clear if the plane was on a list of Iranian aircraft subject to U.S. sanctions. Mahan Air has been under U.S. sanctions for its ties to Iran’s elite Revolutionary Guard Corps, which the State Department has designated a foreign terrorist organization.

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Venezuelan leader Nicolas Maduro visited Iran over the weekend. Both nations are under U.S. sanctions.