Short Answer

The model sees potential mispricing: a US-Iran nuclear deal before 2027 at 28.2% model vs 49.0% market, suggesting it is highly unlikely given active military conflict, collapsed negotiations, and maximalist demands from both sides.

1. Executive Verdict

  • No new US-Iran nuclear backchannels established since February 2026.
  • Satellite imagery confirms recent damage at Iran's Natanz nuclear facility.
  • China's imports of Iranian crude oil significantly declined in March 2026.
  • Senate Chairman Risch consistently opposes any US-Iran nuclear agreement.
  • Khamenei's death could weaken regime, creating opening for de-escalation.
  • Military pressure could force Iran to change stance, enabling diplomacy.

Who Wins and Why

Outcome Market Model Why
Before April 3.0% 1.5% Ongoing conflict and stalled negotiations make a US-Iran nuclear deal unlikely before April 2026.
Before May 14.0% 7.0% Active military conflicts and collapsed talks reduce chances for a nuclear deal before May 2026.
Before June 21.0% 10.7% Maximalist demands and regional instability make a US-Iran nuclear deal unlikely before June 2026.
Before August 31.0% 16.3% Stalled negotiations and ongoing regional tensions make a nuclear deal unlikely before August 2026.
Before 2027 49.0% 28.2% Persistent maximalist demands and regional conflict hinder a US-Iran nuclear deal before 2027.

Current Context

US-Iran nuclear deal remains elusive amidst ongoing conflict. As of March 24, 2026, a US-Iran nuclear deal has not materialized, following the collapse of negotiations that led to US-Israel strikes on Iran commencing February 28, 2026 [^]. These military actions began as Iran's nuclear program advanced significantly, possessing stockpiles of 60-90% enriched uranium [^]. Key developments leading to the conflict included the expiration of the JCPOA snapback deadline in October 2025, an IAEA breach on June 12, 2025, and multiple rounds of talks between April-June 2025 and in February 2026 [^]. The conflict is ongoing, marked by disruptions in the Strait of Hormuz and the killing of Supreme Leader Khamenei, with his successor Mojtaba explicitly rejecting de-escalation efforts [^].
Diplomatic efforts face significant hurdles, with experts questioning military effectiveness. While former President Trump claimed on March 23 that the US and Iran were holding talks and that Iran desired a deal, Iran’s current demands include recognition of its rights, reparations, and guarantees [^]. This follows the new Iranian leader's rejection of de-escalation proposals [^]. Experts from the Arms Control Association and Foreign Policy generally assert that the recent strikes are unlikely to be effective in the long term, noting there was no imminent threat posed by Iran's nuclear and missile programs prior to the military action [^]. They anticipate that the Iranian regime will endure, albeit potentially weaker and more heavily influenced by the Islamic Revolutionary Guard Corps (IRGC), warning that miscalculations could lead to an unending conflict [^].
Prediction markets indicate low probability for a near-term nuclear deal. Current prediction markets reflect the ongoing war's impact, showing very low probabilities for a US-Iran nuclear deal in the near future. On Polymarket, the likelihood of a deal by March 31 is just 3%, increasing slightly to 12% by April 30, and reaching 28-29% by June 30. These low odds underscore the current state of conflict and the significant challenges to reaching a diplomatic resolution.

2. Market Behavior & Price Dynamics

Historical Price (Probability)

Outcome probability
Date
This prediction market opened with a low but non-trivial 8.0% probability for a US-Iran nuclear deal in 2026. The most significant price action occurred early in the market's history, with a sharp drop from 8.0% on March 10 to 3.0% by March 16. This price collapse directly reflects traders reacting to the reality of the ongoing military conflict. The context indicates that US-Israel strikes on Iran began on February 28, following the complete breakdown of negotiations. The market rapidly priced out the possibility of a diplomatic agreement once open hostilities commenced, seeing military action as fundamentally incompatible with a deal being reached.
Since that initial drop, the price has entered a consolidation phase, establishing a firm support level at 3.0%. The probability has remained flat at this low point, suggesting a strong market consensus. Trading volume is significant, with over 700,000 contracts traded, indicating high interest and conviction in the market's assessment. Recent volume spikes, such as the 1198.0 contracts traded on March 24 while the price held at 3.0%, suggest that traders continue to reinforce this low probability, likely selling any remaining "Yes" shares. Overall, the chart indicates a deeply pessimistic market sentiment, with traders viewing the chances of a US-Iran nuclear deal materializing by the end of 2026 as extremely remote given the current state of conflict.

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

Outcome: Before 2027

📈 March 23, 2026: 11.0pp spike

Price increased from 42.0% to 53.0%

What happened: The primary driver of the 11.0 percentage point spike in the "US-Iran nuclear deal?" prediction market was President Trump's post on Truth Social on March 23, 2026 [^]. In this post, Trump announced "very good and productive conversations" with Iran, claiming major agreements including Iran forgoing nuclear weapons and a postponement of strikes [^]. This statement from a highly influential political figure provided a clear de-escalation signal, appearing to lead the market move, as broader financial markets reacted immediately to the news [^]. Social media was the primary driver.

📈 March 17, 2026: 10.0pp spike

Price increased from 39.0% to 49.0%

What happened: The primary driver for the 10.0 percentage point spike in the "US-Iran nuclear deal? Before 2027" prediction market on March 17, 2026, was likely traditional news reports regarding diplomatic efforts. Specifically, the Iranian Foreign Minister's revelation that Iran offered enriched uranium to US negotiators pre-strike indicated high-level attempts at a deal shortly before the conflict escalated [^]. This news, even though about past efforts, likely spurred market speculation that a nuclear deal was still possible or could be revived. Social media activity, largely focused on general conflict narratives [^], was irrelevant to this specific upward price movement in deal prospects.

Outcome: Before June

📈 March 13, 2026: 9.0pp spike

Price increased from 13.0% to 22.0%

What happened: The primary driver of the 9.0 percentage point price spike in the "US-Iran nuclear deal?" market on March 13, 2026, was the report that the IAEA was attempting to broker a new nuclear deal between the US and Iran [^]. This traditional news, emerging amidst an ongoing war [^], [^] and following stalled talks in February [^], directly offered a renewed prospect of diplomatic resolution. The timing of this report precisely coincided with the market's increased perceived probability for a deal before June. Based on the available citable information, social media activity was irrelevant to this specific price spike.

4. Market Data

View on Kalshi →

Contract Snapshot

  1. YES resolution: The market resolves to "Yes" if the United States formally agrees to, signs, or accepts a new Iran-US nuclear deal. This deal must be a formal, written agreement signed by authorized representatives of both countries, imposing verifiable restrictions on Iran's nuclear program and providing for the lifting or modification of at least one US economic sanction on Iran.
  2. NO resolution: A "No" resolution is triggered if these conditions are not met.
  3. Key dates/deadlines: The event must occur before January 1, 2027. The market will close by January 1, 2027, at 10:00 AM EST.
  4. Special settlement conditions: The market may close early if the event occurs, and resolution is based on information from major news outlets.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Before April $0.04 $0.97 3%
Before May $0.15 $0.86 14%
Before June $0.22 $0.79 21%
Before August $0.32 $0.69 31%
Before 2027 $0.52 $0.50 49%

Market Discussion

Traders express significant skepticism regarding a new US-Iran nuclear deal, with many arguing that past failures (like the Trump administration's withdrawal and alleged external sabotage) and current geopolitical maneuvers make a genuine agreement unlikely. While a few believe recent ceasefire talks could increase the chances, a prevailing viewpoint suggests any ongoing discussions are strategic ploys to buy time for re-supply or manipulate markets, rather than serious negotiations for a deal. This leads to a notable consensus leaning towards no deal materializing, despite the market odds being near 50/50 for a deal before 2027.

5. Have New US-Iran Nuclear Backchannels Emerged Post-Conflict?

New Nuclear BackchannelsNone established by Oman, Qatar, or Switzerland since February 28, 2026 (Web Research Results) [^]
Pre-Conflict Talk ProgressIran agreed to zero uranium stockpiling (Feb 26-28, 2026, Oman-mediated) [^]
US Negotiations StatusNo active negotiations confirmed (as of March 4, 2026, US officials) (Web Research Results) [^]
Intermediary states have not established new backchannels since February 28, 2026. Prior to the conflict's start, Oman successfully mediated indirect US-Iran nuclear talks in Geneva from February 26-28, 2026 [^]. These discussions reportedly made progress, with Iran agreeing to zero uranium stockpiling, but they concluded with the onset of hostilities [^].
Diplomatic efforts since February 28 focused on general de-escalation and broader talks. Following the conflict's commencement, traditional intermediary states like Oman and Qatar shifted their focus towards general de-escalation and appeals for renewed, broader discussions. Oman's Foreign Minister, on March 2, 2026, called for resumed talks, suggesting a peace deal was "within reach" [^]. Qatar similarly advocated for de-escalation and privately urged allies to find a US "off-ramp" for Iran; however, its specific mediation efforts ceased following Iranian attacks between March 11-16, 2026 [^].
These nations' actions do not indicate specific credible backchannels for a nuclear deal. While Oman, Qatar, and Switzerland have maintained their roles as diplomatic facilitators, their post-February 28, 2026, activities have predominantly involved general appeals for peace and offers of good offices [^]. US officials confirmed that no active negotiations were underway as of March 4, 2026 (Web Research Results). The diplomatic movements observed are largely general responses to the ongoing conflict and do not signal the establishment of new, credible backchannels specifically for nuclear negotiations.

6. How Did Strait of Hormuz Disruptions Affect Iran's Economy?

Rial/USD Exchange (Early Feb 2026)~1,620,000 IRR/USD [^]
Rial/USD Exchange (Mid-March 2026)~1,664,000-1,679,500 IRR/USD [^]
Labor Protests (Jan-Jun 2025)455 protests across 83 cities [^]
Iran's currency weakened amid Strait of Hormuz disruptions and leadership transition. The Strait of Hormuz disruptions began in late February or early March 2026, following U.S.-Israeli strikes that killed Ayatollah Ali Khamenei on February 28, 2026 [^]. During this turbulent period, Mojtaba Khamenei was appointed as Iran's new supreme leader on March 8, 2026 [^]. Amidst escalating tensions, including reports of Iran conducting 21 ship attacks by March 12 [^], the unofficial Iranian Rial depreciated further. From approximately 1,620,000 IRR/USD in early February 2026, the exchange rate weakened to roughly 1,664,000-1,679,500 IRR/USD by early to mid-March 2026, indicating a marginal weakening during the crisis.
Significant labor unrest continued, signaling persistent economic pressure on Iran. This widespread unrest predated the Strait of Hormuz disruptions, with 455 protests recorded between January and June 2025 across 83 cities, alongside ongoing truckers' and oil strikes extending into 2026. This pattern of industrial action persisted throughout the disruption period, marked by events such as occupations at Mahshahr oil and petrochemical facilities on March 4, 2026, and continued energy sector strikes accompanied by arrests in February 2026. The sustained high frequency of these labor actions indicates ongoing economic pressure on Iran's new leadership under Mojtaba Khamenei.

7. What Is the Current Status of Iran's Nuclear Facilities Post-Strikes?

Natanz Entrances DamageConfirmed by IAEA March 3, 2026 (satellite imagery) [^]
Fordow Centrifuge StatusNon-operational due to 2025 strikes [^]
US-Iran Nuclear Deal Likelihood~20% by June 2026 (prediction markets) [Web Research Results] [^]
Post-strike satellite imagery analyses, updated March 2, 2026, indicate recent damage at Iran's Natanz nuclear facility following U.S.-Israeli strikes that began in late February 2026 [^] . Commercial imagery specifically revealed destroyed personnel buildings and damage to vehicle entrances leading to the underground enrichment complex [^]. The International Atomic Energy Agency (IAEA) subsequently confirmed this damage to Natanz entrances via satellite imagery on March 3, 2026 [^]. However, the IAEA also stated there was no additional impact to the underground Fuel Enrichment Plant (FEP) at Natanz, which had suffered significant damage from strikes in June 2025, and reported no radiological consequences from the recent events [^].
The Fordow facility sustained significant prior damage, making both facilities inoperable for enrichment. This damage resulted from U.S. bunker-buster strikes in 2025, including craters and possible destruction of centrifuges, reportedly rendering them non-operational [^]. Due to its deeply buried nature, current post-strike visibility at Fordow is limited, and no new definitive imagery from March 2026 has confirmed further hits there [Web Research Results]. Cumulatively, both Natanz and Fordow facilities remain non-operational for enrichment purposes due to this extensive damage [Web Research Results]. This demonstrates high military effectiveness in degrading Iran's nuclear infrastructure, which analysts suggest enhances U.S. and Israeli leverage in potential negotiations [Web Research Results]. This increased leverage is also reflected in prediction markets, which are pricing low odds, approximately 20%, for a U.S.-Iran nuclear deal by June 2026 [Web Research Results].

8. How Have China's Iranian Oil Purchases Been Impacted by Conflict?

February 2026 Peak Exports2.16 million bpd (February 2026 pre-conflict) [^]
March 2026 Average Exports1.2-1.5 million bpd (March 2026) [^]
Reduction from Peak30-45% (March 2026 vs. February 2026) [^]
Iranian crude oil imports to China significantly declined in March 2026. China's imports of Iranian crude oil saw a substantial reduction in March 2026 compared to pre-conflict levels. While February 2026 exports averaged 2.16 million barrels per day (bpd) [^], early March shipments through the Strait of Hormuz were approximately 1.0 million bpd, with receipts in China closer to 1.25 million bpd [^]. The estimated overall average for March 2026 ranged between 1.2 and 1.5 million bpd, representing a significant 30-45% decrease from the February peak [^].
Iran maintains exports using its 'shadow fleet' despite disruptions. Despite ongoing conflict disruptions, Iran has continued to export millions of barrels of oil to China, primarily by utilizing its 'shadow fleet' [^]. This specialized fleet facilitates sustained exports, even when wartime conditions impact the Strait of Hormuz and halt shipments from neighboring Gulf countries [^]. Nevertheless, the sustained reduction in these oil exports, despite these considerable efforts, suggests a weakening of Iran's primary economic lifeline amidst current pressures and conflict conditions [^].

9. What is Congressional Leadership's Stance on a US-Iran Nuclear Deal?

Risch's Stance on Iran's Nuclear ProgramFull dismantlement, including ending uranium enrichment (May 2025) [^]
Mast's Support for US StrikesPraised June 2025 strikes as 'Peace through Strength' [^]
Congressional Opposition to EnrichmentBoth chairmen consistently opposed deals permitting Iranian enrichment [^]
Senate Chairman Jim Risch consistently opposed any US-Iran nuclear agreement. He has maintained a hawkish stance on a potential deal, particularly after US strikes on Iranian nuclear facilities began. In May 2025, Chairman Risch led 51 Senate Republicans in a letter backing President Trump's demand for the complete dismantlement of Iran's nuclear program, specifically calling for an end to uranium enrichment [^]. He expressed doubt regarding Iran's sincerity in negotiations and cautioned against any agreement that would permit Iranian enrichment activities [^]. Furthermore, he endorsed the US strikes on Iranian nuclear facilities in June 2025, viewing them as essential to prevent Iran from developing nuclear weapons [^].
House Chairman Brian Mast echoed strong opposition to an Iranian nuclear deal. Congressman Mast reinforced this stance, particularly opposing any agreement that would permit Iranian uranium enrichment. He supported President Trump's strikes on Iranian nuclear sites in June 2025, commending the actions as 'Peace through Strength' [^]. Following these strikes, Mast also endorsed resolutions affirming Iran's sponsorship of terrorism [^]. Both Risch and Mast have maintained a steadfast demand for the complete nuclear dismantlement of Iran. Their consistent position makes their acceptance of any agreement falling short of this objective improbable, thereby significantly diminishing the political viability for such a deal under the Trump administration [^].

10. What Could Change the Odds

Key Catalysts

Potential bullish catalysts include the weakening of the Iranian regime following the death of Supreme Leader Khamenei, which could create an opening for de-escalation [^] . US midterm election incentives may also lead to efforts to stabilize oil prices and reduce tensions [^]. Diplomatic off-ramps could emerge if military pressure forces a change in stance, or if progress is made on IAEA verification of Iran's nuclear program [^]. Conversely, significant bearish catalysts persist [^]. US demands for zero enrichment and missile curbs clash directly with Iran's insistence on retaining its nuclear capabilities [^]. Israel's continued push for regime change, ongoing military strikes, and the inherent risks of nuclear proliferation could further destabilize the region [^]. Support for Iran from China and Russia, coupled with potential pressures on bond and oil markets from a prolonged conflict, also present downside risks [^].

Key Dates & Catalysts

  • Expiration: April 01, 2026
  • Closes: January 01, 2027

11. Decision-Flipping Events

  • Trigger: Potential bullish catalysts include the weakening of the Iranian regime following the death of Supreme Leader Khamenei, which could create an opening for de-escalation [^] .
  • Trigger: US midterm election incentives may also lead to efforts to stabilize oil prices and reduce tensions [^] .
  • Trigger: Diplomatic off-ramps could emerge if military pressure forces a change in stance, or if progress is made on IAEA verification of Iran's nuclear program [^] .
  • Trigger: Conversely, significant bearish catalysts persist [^] .

13. Historical Resolutions

Historical Resolutions: 1 markets in this series

Outcomes: 0 resolved YES, 1 resolved NO

Recent resolutions:

  • KXUSAIRANAGREEMENT-26: NO (Jan 01, 2026)