**Trader consensus on the Polymarket "USD x Iranian rials End of September? (Higher Strikes)" centers on the 2.2–2.5 million rials per USD band (64.5%), with the next tier at 2.5–2.8 million (20.0%) and lower probabilities for more extreme moves.** This positioning reflects the free-market rate's recent trading range around 2.3 million rials per USD amid acute foreign-exchange pressures. The dominant driver remains the U.S. naval blockade on Iranian oil exports, reinstated in mid-July 2026, which has slashed loadings to roughly 220,000–260,000 barrels per day in August—down more than 80% from earlier levels—and effectively halted transits past enforcement lines in the Strait of Hormuz. Combined with the August 24 "Operation Economic Outcast" sanctions package targeting dozens of entities, vessels, and secondary channels, this has sharply curtailed hard-currency inflows from oil sales, Iran's primary source of USD revenue. Renewed military exchanges in early September, including strikes on tankers, have compounded supply disruptions and uncertainty. Iran's Central Bank has responded with limited interventions and statements of reserve adequacy, while the official rate remains far stronger than the parallel market (creating a 40%+ gap). High inflation, projected GDP contraction, and restricted access to international finance continue to weigh on the rial, but the pace of depreciation has been incremental rather than explosive in the immediate term. With only two weeks until end-September resolution, traders appear to view the current band as the most probable near-term equilibrium absent a major diplomatic breakthrough or further sudden escalation.