How the contract works
This contract settles based on public reporting about Iran's own statements or agreements. It pays $1 if Iran publicly agrees, unilaterally or as part of a deal with the US or Israel, to end all uranium enrichment by 31 December 2026, 11:59 PM ET, even if that commitment is only a precondition to a wider peace process and never gets finalized. It pays nothing if Iran does not make that commitment, and an agreement that merely caps or reduces enrichment levels, rather than ending it, does not count. A price of 0.30, for example, would mean the market currently sees roughly a three-in-ten chance of that public commitment happening; a position can typically be sold before the 31 December 2026 deadline at whatever price the market has moved to by then.
Yes13%
No87%
Probability
How the price has moved
The tracked consensus sits at 13%, coming from a single venue, Polymarket, with about $1,755,478 in trading volume. With only one venue tracked, there is no cross-market spread to read, so the price mainly reflects how that one pool of traders weighs Iran's public rhetoric against the possibility of a negotiated breakthrough before the end of 2026. The level is consistent with a market treating a full, public Iranian commitment to end all enrichment as a low-probability but not negligible outcome, given the strict resolution bar that excludes partial or capped-enrichment deals.
Analysis
Context
Iran's nuclear program has been the central flashpoint in US and Israeli policy toward Tehran for two decades. The 2015 JCPOA capped enrichment levels rather than ending them, and that distinction matters here: this market only resolves Yes if Iran agrees to stop enrichment entirely, not merely limit it. The JCPOA collapsed after the US withdrew in 2018, and Iran steadily increased enrichment levels in the years that followed.
In June 2025, Israel and the United States struck Iranian nuclear facilities, including Fordow, Natanz and Isfahan, in an unprecedented direct military campaign. Iran's response was defiant rather than conciliatory: officials repeated that enrichment would continue and that the program was a matter of national sovereignty, not something to be negotiated away entirely. Later in 2025, European governments triggered the JCPOA's snapback mechanism, reimposing UN sanctions after talks failed to produce a new agreement.
Since then, diplomatic contact between Washington and Tehran has been intermittent. Any deal that ends enrichment outright, even as a stated precondition to a broader process, would represent a sharp break from Iran's negotiating posture since the JCPOA era.
The consensus price of 13% reflects a market that sees a full Iranian commitment to zero enrichment as a real but distant possibility, not a live negotiating scenario. That figure comes from a single tracked venue, Polymarket, with roughly $1,755,478 in volume, so there is no cross-venue spread to read for disagreement; the number instead reflects the balance of buyers and sellers on one exchange pricing a narrow, high-bar outcome.
The bar for Yes is deliberately strict. Iran has to publicly commit to ending enrichment entirely, not just accept new caps or inspection terms, which is the kind of arrangement it has negotiated before under the JCPOA. Iranian officials, including after the June 2025 strikes on Fordow, Natanz and Isfahan, have consistently framed enrichment as a sovereign right rather than a bargaining chip, which is the main reason the market keeps this outcome priced as unlikely rather than merely uncertain.
The reimposition of UN sanctions through the European snapback mechanism in 2025 changes the economic pressure Iran faces, but it cuts in two directions. It could eventually push Tehran toward a grand bargain that includes ending enrichment in exchange for sanctions relief, or it could harden domestic political resistance to any concession that looks like capitulation after a military strike on Iranian soil. The market's low price suggests traders currently weight the second scenario more heavily, at least for a full and public commitment within this calendar year.
A precedent worth noting: the 2015 JCPOA process took roughly two years of formal negotiation to produce an agreement that only capped, rather than ended, enrichment. A deal that goes further than that, and does so inside a shorter window while sanctions and military tension are both elevated, would be a notable acceleration from that historical baseline.
What moves the probability
US-Iran negotiating channel
Any Yes resolution most plausibly comes through a renewed US-Iran or US-Israel-Iran negotiating track. No formal channel has produced a comprehensive deal since 2015, and the absence of one currently caps the probability.
June 2025 strikes and aftermath
Direct strikes on Fordow, Natanz and Isfahan in June 2025 raised the military and political stakes but did not produce a public Iranian concession on enrichment; Tehran's public statements since then have leaned toward continuity rather than reversal, weighing against Yes.
Snapback sanctions pressure
European reimposition of UN sanctions in 2025 increases economic pressure on Iran, which could eventually push toward concessions, but sanctions pressure alone has not historically produced full enrichment cessation, only capped-enrichment deals like the JCPOA.
Domestic Iranian politics
Hardline factions within Iran's political and security establishment have treated enrichment as non-negotiable sovereignty, and any leadership move to end it entirely would face significant internal resistance, a structural drag on the probability.
Resolution's strict wording
The rule that caps or partial limits do not count, only a full end to enrichment, narrows the path to Yes considerably compared with a broader question about any new nuclear agreement.
The case for
- Iran's economy is under renewed pressure from the 2025 snapback of UN sanctions, which could push its leadership toward a broader deal that includes ending enrichment as a precondition for relief.
- A new US-Iran channel, if opened before the 31 December 2026 deadline, could produce a public Iranian statement framing zero enrichment as a step toward de-escalation, which would qualify even if the underlying deal is never finalized.
- Continued Israeli military pressure following the June 2025 strikes could raise the cost of maintaining the program to a point where Tehran calculates that a public concession is less costly than further confrontation.
The case against
- Iranian officials have repeatedly and publicly described enrichment as a sovereign right since the JCPOA's collapse, and that position hardened rather than softened after the June 2025 strikes.
- The JCPOA precedent shows Iran has previously agreed only to cap enrichment levels, never to end the program outright, even during periods of intense negotiation.
- Domestic hardline political factions in Iran have strong incentives to resist any leadership move that looks like capitulation after direct military strikes on Iranian territory.
- The resolution window is comparatively short, running only to 31 December 2026, leaving limited time for a full negotiating cycle to produce a public commitment of this scope.
What to watch
Watch for any resumption of formal US-Iran talks, statements from Iranian officials at UN General Assembly sessions or IAEA Board of Governors meetings, and IAEA reporting on the status of Iran's enrichment facilities after the 2025 strikes. Any statement from Tehran framing enrichment cessation as a precondition for sanctions relief, even an informal one, would be directly relevant to this market ahead of the 31 December 2026 deadline.
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