US-Iran nuclear deal?
Short Answer
The model assigns meaningfully lower odds than the market for a US-Iran nuclear deal occurring Before Jan 20, 2029 (54.0% model vs 75.0% market), citing severely compromised IAEA monitoring capabilities and fundamental disagreements as significant hurdles.
1. Executive Verdict
- Severely compromised IAEA monitoring jeopardizes comprehensive nuclear deal verification.
- Negotiations appear to focus on interim agreement, deferring core nuclear issues.
- Persistent fundamental disagreements between parties hinder a comprehensive deal.
- Financial concessions and sanctions relief are primary sticking points for a deal.
- Critical IAEA "continuity of knowledge" gap impacts Iran's enriched uranium program.
- Mediated negotiations are at a critical juncture as of June 5, 2026.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| Before July | 12.0% | 35.0% | Current negotiations focus on interim agreements, deferring core nuclear issues before July. |
| Before August | 22.0% | 35.0% | Research does not highlight strong supporting evidence. |
| Before September | 30.0% | 35.0% | Research does not highlight strong supporting evidence. |
| Before October | 32.0% | 35.0% | Research does not highlight strong supporting evidence. |
| Before November | 36.0% | 35.0% | Research does not highlight strong supporting evidence. |
Current Context
US and Iran offer conflicting views on nearing a nuclear deal. As of June 5, 2026, President Donald Trump claims a nuclear deal with Iran is imminent and could be finalized by the weekend, though Iranian officials assert that no tangible progress has been achieved in negotiations [^][^][^]. Discussions are currently focused on a potential interim framework agreement designed to manage Iran's highly enriched uranium stockpile, possibly involving its storage in a third country like Kazakhstan [^][^]. This framework would also offer Iran economic relief, including waivers for oil exports and an end to the Strait of Hormuz blockade [^][^].
IAEA monitoring of Iran's nuclear program is severely compromised. A June 2026 report from the International Atomic Energy Agency (IAEA) reveals that the agency's capacity to monitor Iran's nuclear program has been significantly impaired [^]. This compromise follows recent military strikes, leading to an inability for authorities to verify the current status of declared enriched uranium stockpiles [^][^].
Experts describe a dangerous impasse with divergent US and Iranian strategies. Analysts characterize the current situation as a perilous impasse, highlighting the differing strategic approaches of the United States and Iran [^][^][^][^]. The U.S. reportedly aims to capitalize on existing instability to secure a diplomatic victory [^][^][^]. Conversely, Iran perceives its standing as strengthened by the ongoing conflict and is consequently resistant to making concessions [^][^].
2. Market Behavior & Price Dynamics
Historical Price (Probability)
Outcome probability
Date
This market has experienced a general downward trend, starting at a 21.0% probability and currently trading at 12.0%. The price has fluctuated within a range of 10.0% to 35.0%. The most significant price movement was a sharp 10.0 percentage point spike on May 23, when the probability jumped from 16.0% to 26.0%. This spike was a direct reaction to a public statement from President Trump, who claimed that an agreement with Iran was nearly finalized. However, this optimism was short-lived, as the price has since fallen dramatically, settling at a low of 12.0% as of June 5.
The recent price collapse from its peak suggests that the market's initial bullish reaction has been completely erased. This reversal appears to be driven by conflicting reports, with Iranian officials stating that no tangible progress has been made, directly contradicting the US president's claims. The market seems to be weighing the Iranian denial more heavily than the American optimism. Total volume is substantial, indicating significant interest in the market, but recent volume data points are low, suggesting a potential decrease in trading activity as the price has fallen. This could indicate weakening conviction among traders who believe a deal will happen.
The price action suggests a resistance level around the 26.0% to 35.0% range, which the market failed to sustain after the news-driven spike. The 10.0% mark appears to be a historical support level. Overall, the chart indicates a persistent bearish sentiment regarding the likelihood of a US-Iran nuclear deal. Despite a brief, sharp rally based on official US statements, the market has consistently reverted to a lower probability, reflecting deep skepticism about the successful conclusion of negotiations by the resolution date.
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: Before November
📉 May 31, 2026: 10.0pp drop
Price decreased from 53.0% to 43.0%
What happened: The primary driver of the 10.0 percentage point drop on May 31, 2026, was the resignation of Iranian President Masoud Pezeshkian on that date [^]. Pezeshkian stated that hardline factions of the Islamic Revolutionary Guard Corps (IRGC) had effectively sidelined him and his government [^]. This traditional news announcement, signaling a consolidation of power by factions generally less amenable to negotiation, directly coincided with the market movement, reducing the perceived likelihood of a nuclear deal. Social media activity, such as ongoing Iranian "slopaganda," appears to be mostly noise in relation to this specific, sharp price drop, as no specific social media event is tied to this particular movement [^][^].
Outcome: Before September
📉 May 30, 2026: 11.0pp drop
Price decreased from 46.0% to 35.0%
What happened: The primary driver for the 11.0 percentage point drop was the announcement in late May 2026 of a tentative 60-day ceasefire extension memorandum of understanding (MOU) between U.S. and Iranian negotiators [^][^]. This MOU aims to provide a framework for subsequent talks on Iran's nuclear program, directly implying that a comprehensive deal would not be finalized "Before September" [^]. Concurrently, the end of an 88-day internet blackout in Iran triggered the rapid spread of viral anti-regime protest videos on social media, introducing new social and political pressure on the Iranian government during international negotiations [^][^]. This social media activity was a significant contributing accelerant, further reducing the likelihood of a swift agreement [^].
📉 May 24, 2026: 11.0pp drop
Price decreased from 56.0% to 45.0%
What happened: The primary driver of the 11.0 percentage point drop in the "US-Iran nuclear deal? - Before September" market on May 24, 2026, was likely the report emerging in late May 2026 that Iran’s President Masoud Pezeshkian offered his resignation due to the IRGC's dominance [^]. This news, despite official denials, introduced significant political instability and uncertainty regarding Iran's capacity for international negotiations, decreasing the perceived likelihood of a deal being secured before September [^]. While originating from a news outlet, such a sensitive claim would predictably become a viral narrative, meaning social media likely served as a contributing accelerant by rapidly spreading the report and amplifying market uncertainty.
📈 May 23, 2026: 23.0pp spike
Price increased from 33.0% to 56.0%
What happened: The primary driver of the 23.0 percentage point spike on May 23, 2026, was President Trump's public statement on Truth Social [^]. Trump claimed that "an agreement with Iran was nearly finalized," following regional mediation efforts [^]. This statement directly acted as the catalyst for the market movement, coinciding with the price surge on the same day [^]. Consequently, social media was a primary driver of this market price movement.
Outcome: Before August
📈 May 25, 2026: 9.0pp spike
Price increased from 31.0% to 40.0%
What happened: The provided sources do not clearly identify a primary driver for the 9.0 percentage point spike on May 25, 2026, which indicated an increased likelihood of a US-Iran nuclear deal before August. Traditional news on May 24, 2026, reported significant bipartisan Senate and GOP resistance to the proposed deal framework [^][^], which would typically depress market expectations for a prompt agreement. No specific traditional news announcement or social media activity on May 25, 2026, was found that would positively drive the "Before August" outcome. Therefore, social media activity appears irrelevant to this specific market movement.
4. Market Data
Contract Snapshot
- The market resolves to "Yes" if, before January 1, 2027, the United States agrees to, signs, or accepts a new Iran-US nuclear deal; otherwise, it resolves to "No." This qualifying deal must be a formal written agreement, signed by authorized representatives of both nations, imposing verifiable restrictions on Iran's nuclear program (such as limits on uranium enrichment or centrifuge numbers) AND providing for the lifting, suspension, or modification of at least one US economic sanction on Iran.
- For a "Yes" resolution, public and official agreement to the terms is sufficient even if formal signing has not yet occurred, and "verifiable restrictions" necessitate concrete, objectively ascertainable standards rather than general intent.
- The deadline for the event is before January 1, 2027, with the market closing by this date at 10:00 AM EST (or earlier if the event occurs), and outcomes are determined based on reporting from specified major news sources.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| Before July | $0.12 | $0.89 | 12% |
| Before August | $0.23 | $0.78 | 22% |
| Before September | $0.30 | $0.71 | 30% |
| Before October | $0.34 | $0.68 | 32% |
| Before November | $0.36 | $0.65 | 36% |
| Before December | $0.41 | $0.64 | 40% |
| Before 2027 | $0.52 | $0.49 | 51% |
| Before 2028 | $0.72 | $0.32 | 68% |
| Before Jan 20, 2029 | $0.76 | $0.25 | 75% |
Market Discussion
The market shows skepticism about a US-Iran nuclear deal, with probabilities for a deal before November at 36% and before 2027 at 51%. Traders predominantly argue against a deal, citing Iran's nuclear cooperation with Russia and perceived political obstacles. A significant point of discussion is that recent market clarifications have narrowed the definition of a qualifying deal to require verifiable restrictions, which traders believe makes a "Yes" outcome less likely.
5. What specific concessions from the U.S. and Iran are the primary sticking points in the 2026 nuclear framework negotiations?
| Primary Sticking Points | Financial concessions and the scope of nuclear issues (as of June 2026) [^][^][^] |
|---|---|
| Current Negotiation Focus | Preliminary memorandum of understanding (MOU) to end hostilities and stabilize shipping in the Strait of Hormuz (as of June 2026) [^][^][^] |
| Timeline for Core Nuclear Issues | Deferred to subsequent talks within a 60-day window following an initial agreement [^][^][^] |
As of June 2026, financial concessions and sanctions relief remain primary sticking points. Iran is demanding the immediate unfreezing of assets and relief from U.S. sanctions [^][^][^]. The U.S., however, insists on linking any such relief to verified compliance with a permanent, comprehensive nuclear agreement [^][^][^]. While Iranian officials have sought to limit the scope of these negotiations to interim economic relief [^][^], the U.S. administration has pushed for concessions on Iran's nuclear program [^].
Major nuclear program issues include uranium, centrifuges, and inspections. Key points of contention regarding Iran's nuclear program involve the disposition of highly enriched uranium stockpiles, the future of advanced centrifuge research and development, the extent of facility dismantling, and the establishment of a robust, long-term nuclear inspection regime [^][^][^][^]. Current U.S.-Iran negotiations are focused on a preliminary memorandum of understanding (MOU) to end ongoing hostilities and stabilize shipping in the Strait of Hormuz, with core nuclear issues deferred to subsequent talks within a 60-day window following an initial agreement [^][^][^].
6. How does the proposed 2026 interim framework compare to the original 2015 JCPOA regarding nuclear restrictions and sanctions relief?
| 2026 Framework Type | Limited memorandum of understanding (MoU) focused on de-escalation [^] |
|---|---|
| 2015 JCPOA Type | Comprehensive nuclear settlement [^] |
| 2026 Framework Sanctions Relief | Limited, includes oil exports and frozen assets [^] |
The proposed 2026 interim framework is a de-escalation measure, contrasting with the 2015 JCPOA. This interim framework represents a limited memorandum of understanding (MoU) primarily focused on de-escalation, whereas the 2015 Joint Comprehensive Plan of Action (JCPOA) constituted a comprehensive nuclear settlement [^]. The interim framework includes limited sanctions relief and a commitment from Iran to halt nuclear weapon development [^]. In stark contrast, the JCPOA imposed specific, long-term, and verifiable limits on nuclear activities [^].
The interim framework outlines a 60-day ceasefire and limited sanctions relief. Specifically, the proposed 2026 interim framework is designed around a 60-day ceasefire, the reopening of the Strait of Hormuz, and limited sanctions relief, which encompasses oil exports and frozen assets [^]. In exchange for these measures, Iran would commit to halting nuclear weapon development and negotiating the disposal of its nuclear stockpile [^]. In contrast, the 2015 JCPOA contained specific, long-term, and verifiable limits on enrichment levels, centrifuge numbers, and intrusive International Atomic Energy Agency (IAEA) inspection regimes [^]. While the proposed 2026 interim framework includes limited sanctions relief, the provided information does not detail the specific sanctions relief provisions of the original 2015 JCPOA [^].
7. How does the IAEA's currently compromised monitoring capability in Iran affect the potential for a verifiable and sustainable nuclear deal in 2026?
| Iran HEU Stockpile | 440.9 kg at 60% enrichment [^][^] |
|---|---|
| IAEA Oversight Lost | June 2025 [^][^][^] |
| Negotiation Status | Approaching framework agreement as of June 2026 [^][^][^][^] |
IAEA monitoring capabilities are severely compromised, jeopardizing verification of Iran's nuclear program. Since military strikes in June 2025, the International Atomic Energy Agency's oversight of Iran's nuclear activities has been critically diminished, with key facilities like Natanz, Fordow, and Isfahan becoming inaccessible. This situation forces the IAEA to rely on limited satellite imagery, impacting its ability to certify compliance and account for Iran's estimated 440.9 kg stockpile of 60% enriched uranium. IAEA Director General Rafael Grossi has explicitly stated that any nuclear agreement lacking restored verification access would be an "illusion" [^][^][^][^][^].
US-Iran negotiations are progressing despite significant verification and stockpile disputes. As of June 2026, US-Iran talks, mediated by third parties, are reportedly nearing a framework agreement on a nuclear deal. However, the existing verification gap created by the compromised IAEA monitoring remains a primary structural obstacle, threatening the long-term sustainability and credibility of any potential deal within both the US Senate and the Iranian parliament. A central point of contention in these negotiations is the ultimate disposition of Iran's enriched uranium stockpile, with the United States advocating for its removal or destruction, while Iran maintains its right to possess a civilian nuclear program [^][^][^][^][^].
8. What are the key findings on Iran's enriched uranium stockpile and production capacity in the latest IAEA reports?
| Estimated 60% enriched uranium (pre-loss of access) | 440.9 kilograms [^][^][^] |
|---|---|
| Date of restricted access | June 2025 [^][^][^][^][^] |
| Last comprehensive IAEA report | February 2026 [^][^][^][^] |
The International Atomic Energy Agency (IAEA) faces a critical "continuity of knowledge" gap concerning Iran's enriched uranium. This significant limitation means the agency cannot verify the exact size, composition, or storage locations of Iran's enriched uranium reserves [^][^][^]. This monitoring challenge stems from restricted access to key nuclear facilities, which occurred following military strikes in June 2025 [^][^][^][^][^].
Iran's prior enriched uranium amount is currently unverifiable by the IAEA. Before continuous monitoring access was lost, an estimated 440.9 kilograms of uranium enriched to 60% purity had been documented [^][^][^]. However, the IAEA is presently unable to verify this specific amount or any other enriched uranium reserves [^][^][^]. Since its previous report in February 2026, IAEA inspectors have only been able to access the Bushehr Nuclear Power Plant during a visit from June 1–3, 2026 [^][^][^][^]. Access to other crucial enrichment sites, including Natanz, Fordow, and Isfahan, has been consistently denied [^][^][^][^].
9. What is the projected economic impact of proposed sanctions relief, such as oil export waivers, on Iran's economy in the next 12-24 months?
| GDP Contraction (2026) | 6.1% (IMF projection) [^] |
|---|---|
| Inflation (2026) | Nearly 69% [^] |
| Oil Exports (May 2026) | 209,000–260,000 bpd [^][^] |
Iran's economy faces severe decline amidst intensified sanctions. The International Monetary Fund (IMF) projects a 6.1% contraction in Iran's Gross Domestic Product (GDP) for 2026, alongside an anticipated inflation rate nearing 69% [^]. This economic pressure has dramatically impacted oil exports, which plummeted from approximately 1.9 million barrels per day (bpd) in March 2026 to between 209,000 and 260,000 bpd by May 2026, largely attributed to intensified sanctions enforcement and a US-led naval blockade [^][^].
Sanctions relief offers potential benefits, but significant uncertainties persist. While proposed sanctions relief, such as oil export waivers, could offer some economic respite, the prospect of a comprehensive deal remains highly uncertain [^]. A hypothetical agreement reached in late 2026 might enable Iranian crude exports to recover to roughly 1.2 million bpd by early 2027, potentially releasing $20–$30 billion in frozen assets and helping to stabilize global oil prices [^]. However, the current US administration policy remains opposed to such a framework, and prediction markets in early June 2026 indicated a fluctuating 33–58% probability for a US-Iran nuclear deal by July 31, 2026 [^][^][^][^][^].
Long-term reintegration requires significant investment and structural reforms. Despite the potential for long-term economic reintegration, which could increase Iran's GDP by over 80% if sanctions were fully lifted, analysts caution that without massive investment in infrastructure and structural reforms, the country risks continued economic stagnation.
10. What Could Change the Odds
Key Catalysts
As of June 5, 2026, mediated negotiations between U.S. and Iranian officials are at a critical juncture, with U.S. President Donald Trump indicating a potential deal could be reached within days, while Iranian officials maintain that no tangible progress has been made [^][^][^]. These discussions center on a potential interim memorandum of understanding aimed at de-escalating the ongoing 2026 conflict [^][^][^][^]. The U.S. is prioritizing the reopening of the Strait of Hormuz and restrictions on Iran's nuclear program, specifically highly enriched uranium, while Iran seeks economic relief, the lifting of U.S. blockades, and access to frozen assets [^][^][^][^].
The domestic political situation in Iran presents significant uncertainty following Mojtaba Khamenei's succession as Supreme Leader on March 8, 2026, after his father's death in the conflict [^] [^] . His public visibility and specific decision-making authority remain ambiguous for international observers [^][^]. Furthermore, prediction markets show a strong consensus, approximately 98-99% probability, against an Iranian presidential election occurring by June 30, 2026 [^][^][^][^][^]. The timeline for finalizing a potential war-termination framework is estimated at 60 days following an initial informal agreement, with major hurdles including enforcement mechanisms, Iran's nuclear latency, and regional security concerns such as Lebanon and Hezbollah [^][^][^].
Key Dates & Catalysts
- Expiration: April 01, 2026
- Closes: January 20, 2029
11. Decision-Flipping Events
- Trigger: As of June 5, 2026, mediated negotiations between U.S.
- Trigger: And Iranian officials are at a critical juncture, with U.S.
- Trigger: President Donald Trump indicating a potential deal could be reached within days, while Iranian officials maintain that no tangible progress has been made [^] [^] [^] .
- Trigger: These discussions center on a potential interim memorandum of understanding aimed at de-escalating the ongoing 2026 conflict [^] [^] [^] [^] .
13. Related News
Last updated: June 5, 2026, 19:23 UTC
US-Iran Deal Odds Surge for 2026 After Trump Announcement
The prediction market for a US-Iran nuclear deal experienced a significant repricing on Saturday, May 23, 2026, following President Donald Trump’s announcement that an agreement has been "largely nego...
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US-Iran Deal Market Shifts Timeline to Autumn 2026
In the trading session on Friday, May 22, 2026, the prediction market for a new US-Iran nuclear agreement saw a significant repricing of its expected timeline. Probabilities for a deal being reached i...
Last updated: June 5, 2026, 19:23 UTC
Market Boosts Odds of Summer US-Iran Deal on Diplomatic Progress
The prediction market for a US-Iran nuclear deal shifted significantly on Wednesday, May 06, 2026, as traders repriced for a much shorter timeline to an agreement. Probabilities surged across all time...
Last updated: June 5, 2026, 19:23 UTC
US-Iran Deal Hopes Dim for Summer as Market Prices in Delays
In a significant repricing on Thursday, April 18, 2026, the prediction market for a US-Iran nuclear deal shifted to reflect lower odds of an agreement in the coming months. The move saw six of the eig...
Last updated: June 5, 2026, 19:23 UTC
Odds of US-Iran Nuclear Deal Rise on Trump's Optimistic Remarks
Probabilities in the prediction market for a US-Iran nuclear agreement shifted significantly higher on Friday, April 17, 2026, following a declaration from President Donald Trump that a deal was immin...
14. Historical Resolutions
Historical Resolutions: 3 markets in this series
Outcomes: 0 resolved YES, 3 resolved NO
Recent resolutions:
- KXUSAIRANAGREEMENT-27-26JUN: NO (Jun 01, 2026)
- KXUSAIRANAGREEMENT-27-26MAY: NO (May 01, 2026)
- KXUSAIRANAGREEMENT-27-26APR: NO (Apr 01, 2026)
