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Autonomous Systems: Land & Sea
8NOV

Rial hits 1.7m per dollar, down 43%

2 min read
19:26UTC

Iran's rial traded at 1,705,000 to the dollar on Sunday 31 May, a 43% devaluation over six months, with the brief deal-optimism rally already unwound.

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Key takeaway

Ordinary Iranians face a 43% currency collapse and rising import costs even as the diplomatic track softened.

Iran's rial traded at 1,705,000 to the dollar on Sunday 31 May, a 43% devaluation over six months⁠1. The brief rally that deal optimism produced has already unwound, so the softer diplomatic mood has bought ordinary Iranians no lasting relief.

The slide tracks the cumulative weight of OFAC sanctions, including the designation of a port operator on Thursday 28 May, layered on top of wartime trade disruption. OFAC is the US Treasury's Office of Foreign Assets Control, which administers the sanctions that throttle Iran's access to hard currency. For households, a rial worth less each month means imported food and medicine keep climbing in price regardless of what Trump signs or refuses to sign. The squeeze is structural rather than a passing shock, and a signed ceasefire would not reverse it quickly.

Deep Analysis

In plain English

When a currency loses 43% of its value against the dollar in six months, imported goods cost 43% more in local currency terms. For Iranians, that means food items bought with dollars on global markets (wheat, cooking oil, medicine) have become dramatically more expensive. Iran imports a significant share of its pharmaceuticals and wheat. The rial's decline is not primarily caused by the war's oil-price swings; it reflects accumulated sanctions that prevent Iran's government from repatriating oil revenues earned in foreign currencies. Iran earns dollars selling oil to China and others, but cannot convert or access those revenues freely because of OFAC designations. The result is a currency that falls not because trade stops but because the earnings from trade are frozen abroad.

What could happen next?
  • Consequence

    Pharmaceutical import costs are the most acute humanitarian pressure; at 1.705m/USD, European API suppliers pricing in euros have effectively priced out Iranian public-sector procurement.

  • Risk

    A deal that reopens Hormuz but leaves OFAC's PGSA designation in place will not arrest the rial's decline, because the primary driver is sanctions on revenue repatriation, not the physical blockade.

Sources:Alanchand
Mentions:OFAC →China →Iran →Venezuela →US Treasury →Persian Gulf Strait Authority →Iranian rial →
First Reported In

Update #113 · Trump signs nothing as a Hellfire hits a hull

Alanchand· 31 May 2026
Read original →
Causes and effects
Caused by
Iran inflation at worst since 1942
77.2% CBI inflation reading compounds the rial-slide economic pressure documented since
Occurred 5 Jun 2026
Read story →
This Event
Rial hits 1.7m per dollar, down 43%
The currency collapse documents the cumulative cost of sanctions and conflict disruption on Iran's domestic economy, independent of any diplomacy outcome at the negotiating table.
Led to
Brent jumps 7%, rial hits record low
The rial's 1,746,000 record on 2 June deepens its slide from 1,705,000 on 31 May, accelerated by Iran's formal talk suspension.
Occurred 1 Jun 2026
Read story →
Iran's rial rises for a war-first time
The rial recovery is the first reversal of the 43% six-month devaluation documented on 31 May.
Occurred 3 Jun 2026
Read story →
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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.