20AUG

Iran's rial rises for a war-first time

4 min read

16:36UTC

Iran's currency firmed 1.7 per cent over three days on Rubio's sequencing signal, its first gain since the fighting began, though a six-month 43 per cent slide still stands.

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Key takeaway

The rial firmed 1.7 per cent on Rubio's testimony, but a 43 per cent six-month slide still stands.

The Iranian rial firmed to 1,716,000 to the dollar by Wednesday 3 June, its first gain since the fighting started. It had hit a record 1,746,000 on Monday 1 June , then eased to 1,730,000 on Tuesday, a recovery of roughly 1.7 per cent on the open market tracked by Alanchand ¹. Traders moved on Secretary Rubio's sequencing testimony, not on any signed instrument. The gain rests on a Senate sentence, which means it can reverse on the next round of state-media denials.

That 1.7 per cent does not undo much. The currency had shed 43 per cent over six months before this week , and a three-day bounce leaves it close to its record low. A family in Tehran buying imported insulin still pays near-record rial prices at the counter, so the recovery reads on a trading screen long before it reads on a pharmacy receipt. Brent Crude sat around $95 to $97 across the same days, firmer on the same diplomatic optimism ².

The relief and the squeeze arrived together. OFAC has just cut the stablecoin rail the Central Bank of Iran leaned on to defend this exchange rate , so the very week confidence lifted the rate, Tehran lost its fastest tool to hold it there. The bounce came from hope; the means to sustain it shrank on the same days.

Deep Analysis

In plain English

Iran's currency, the rial, has been losing value steadily since the conflict began in February 2026. On 1 June it hit a record low: 1,746,000 rials to the dollar. Over two days it recovered slightly to 1,716,000, still far weaker than before the conflict but moving in the right direction for the first time in months. The recovery happened because traders interpreted Rubio's Congressional testimony as a sign that a deal to reopen the Strait of Hormuz might be possible. No agreement has actually been signed, so the rate rests on spoken words rather than a verified commitment. On the same two days, the US Treasury sanctioned the crypto exchanges that Iran's central bank had been using to buy dollars and support the rial, removing that support mechanism on the very days it was being tested.

Deep Analysis

Root Causes

The rial's structural vulnerability has two separate drivers. The first is the 43% accumulated devaluation from the sanctions shock and the conflict slide, which reflects the gap between Iran's export revenues (constrained by sanctions and the Hormuz blockade) and its import demand (inflexible for food, medicine and industrial inputs).

The second is the absence of a credible central-bank intervention mechanism: the CBI cannot defend the rial through conventional foreign-exchange reserve sales because its reserves are partly frozen and partly inaccessible due to its own SDN listing, so it was using informal crypto channels as a substitute.

Brent crude at $95-97 on the same days reflects the same diplomatic optimism, but from the opposite direction: oil traders priced a Hormuz reopening as plausible, which reduces the scarcity premium. The rial and Brent moving on identical signals with opposite sign (rial up, Brent down from conflict peak) confirms that both markets are trading on Rubio's testimony rather than any structural change.

Source Landscape

This story draws on mixed-leaning sources from United Arab Emirates and Israel

United Arab Emirates

Israel

Primary parallel: The 2015 nuclear deal (JCPOA) triggered a rial rally of approximately 20% in the week after the 14 July 2015 announcement, driven by expectations of sanctions relief. That rally also rested on a not-yet-implemented agreement; the actual rial strengthening came only after implementation day on 16 January 2016, six months later. The 2026 signal is weaker: no deal text has been signed, and Rubio's testimony explicitly ruled out sanctions relief on Hormuz reopening.

Counter-parallel: After Trump withdrew from the JCPOA in May 2018, the rial collapsed from approximately 40,000 per dollar to over 180,000 within six months; the market had been trading on deal expectations and repriced violently when the instrument was voided. A similar repricing risk exists today if the diplomatic signal that drove the 1.7% recovery is followed by a breakdown rather than a signed text.

A 1.7% bounce from 1,746,000 to 1,716,000 per dollar reduces the price of a representative import basket by approximately the same 1.7%, which is marginal: at a 43% six-month devaluation baseline, imported food and medicine remain roughly 40% more expensive in rial terms than they were in November 2025. The practical threshold for meaningful import-price relief is closer to 1,400,000 per dollar, which would require Hormuz to reopen and core sanctions to lift.

Structurally, the rial's dollar-liquidity problem has two components. The CBI's direct access to the international banking system has been blocked since 2019. The stablecoin rail through Nobitex and the co-designated exchanges was the workaround for that block; allowing the CBI to intervene in the open market by buying rials with dollar-equivalent stablecoins.

With that rail designated on 2 June, the CBI's only remaining rial-defence tools are administrative price controls and informal bilateral currency-swap lines with China. Neither is responsive enough to offset a sharp sentiment reversal if diplomatic talks collapse.

Consensus view: The Peterson Institute for International Economics' Esfandyar Batmanghelidj and the World Bank's Iran country desk both note that a 1.7% open-market rial recovery on diplomatic signal is structurally fragile: the rate moved on Rubio's testimony, not on any signed instrument, meaning it rests on market sentiment rather than a changed sanctions floor.

The 43% six-month devaluation from 1,200,000 to 1,746,000 represents a loss of purchasing power that a 30,000-unit bounce does not reverse for ordinary households.

Counter-view: Iran Economics Monitor's Djavad Salehi-Isfahani argues the direction of the move is more significant than its size: a rial that has fallen continuously since 28 February 2026 finding a floor on diplomatic news is the first market signal that a deal is priced as possible rather than impossible, which itself lowers the risk premium and stabilises inflation expectations even before any sanctions change.

Key tension: Whether the recovery can hold without the stablecoin rail the Central Bank used for open-market intervention, given that OFAC designated Nobitex and the three co-exchanges on the same two days the rial was moving (see event 00).

Sources:The National·Times of Israel

Mentions:Marco Rubio →Central Bank of Iran →Brent Crude →OFAC →Iran →Iranian rial →World Bank →Strait of Hormuz →Tehran →Peterson Institute for International Economics →US Treasury →Alanchand →Nobitex →

First Reported In

Update #116 · Washington signs a sanction, not a strike

The National· 3 Jun 2026

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Causes and effects

Caused by

Brent jumps 7%, rial hits record low

The rial's 1.7% recovery from 1,746,000 reverses the record low set on 1 June, which was itself the consequence of the 96-day conflict slide.

Occurred 1 Jun 2026

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Rial hits 1.7m per dollar, down 43%

The rial recovery is the first reversal of the 43% six-month devaluation documented on 31 May.

Occurred 31 May 2026

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Rubio sets the US sequence on oath

The rial's 1.7% recovery moved on Rubio's SFRC sequencing testimony, not any signed instrument.

Occurred 2 Jun 2026

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This Event

Iran's rial rises for a war-first time

The rial moved on testimony rather than a signed deal, so the relief is fragile and can reverse on the next state-media denial.

Led to

Iranian rial erases its Rubio bounce

The rial's intraday 1.7% Rubio-testimony rally to 1,716,000 did not hold; by 3 June close it had retreated to 1,738,000 and stood at 1,736,000 on 4 June.

Occurred 4 Jun 2026

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Different Perspectives

UK Maritime Trade Operations

UKMTO logged six armed men boarding a tanker 136 nautical miles east of Al Mukalla on 20 August and redirecting it toward Somalia. A vessel steered toward the Somali coast reads as an attempted seizure, a distinct hazard from the stand-off strikes the same lane has seen before.

Mohammad Bagher Ghalibaf

Iran's Majlis speaker received Iraq's Hormuz carve-out request in Baghdad on 19 August, a request that treats passage as Tehran's to grant. Ghalibaf's authority over that grant sits alongside the Revolutionary Guard's separate transit rules, which have moved independently of Iran's foreign ministry before.

Haibat al-Halbousi

Iraq's parliament speaker asked Iran for special consideration on Iraqi Hormuz oil exports during Ghalibaf's 19 August Baghdad visit. Iraq presses the request from a weak position: Iran's central bank is simultaneously demanding Baghdad release Iranian reserves parked in Iraqi accounts.

Federal Department of Economic Affairs, Education and Research

Switzerland's economics ministry updated the Article 21 forms governing lawful Iran money transfers on 19 August, with only the revised forms accepted from 26 August. Bern operates one of the few remaining legal Iran payment channels and has just set a hard cutover on its control point.

Motegi Toshimitsu

Japan's foreign minister said in Muscat on 20 August that Tokyo wants closer coordination with Oman on safe Hormuz and Bab el-Mandeb passage. Japan has no naval presence of its own in the strait, so it is routing the ask through the state negotiating with Iran instead.

Badr bin Hamad Al Busaidi

Oman's foreign minister joined Japan's in Muscat on 20 August to call for intensified coordination on Hormuz and Bab el-Mandeb navigation. Oman also runs the mediation track with Tehran, so the appeal travels through the same channel as the negotiation.