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Will the Iranian regime fall by 30 September 2026?

Resolution: Updated:
3%

market consensus

chance the market gives this event — not your chance of being right

Yes — The event happens
3%
No — The event does not happen
97%

Trade this contract

Open on PolymarketYes 0.03
  • gas covered
  • no trading fee
Buy the opposite sideNo 0.97

In short

The market now treats a full collapse of Iran's ruling system by 30 September 2026 as highly unlikely. The core reason is that the resolution bar is steep — it needs broad consensus reporting of a clear institutional break, not just unrest or a leadership change — and no such process is publicly underway. A shift would require visible signs of the Guardian Council, Supreme Leader's office or IRGC command losing control over most of the country within the next two months.

How the contract works

A contract on this question settles at $1 if major international outlets — Reuters, AP and BBC — reach consensus that Iran's current ruling structure has been dissolved, incapacitated, or replaced by 30 September 2026, and at nothing if it has not. The price at any moment reflects what buyers and sellers currently think the chance of that is; a contract priced at 0.30, for example, would imply the market sees roughly three chances in ten of that outcome, not that it is likely or unlikely in any other sense. Anyone holding a position can typically sell it before 30 September 2026 at whatever price the market has moved to by then, rather than waiting for settlement.
What the market thinks happens
$100
Yes3%

The event happens

Costs now
$0.03
If you put in $100
$3,333
No97%

The event does not happen

Costs now
$0.97
If you put in $100
$103

Probability

0%25%50%75%100%12:0017:3623:1204:4810:2416:00
ConsensusPolymarket

How the price has moved

The market opened on 29 July 2026 at 97%, then moved to the current consensus of 3% within the same short observation window, a reversal of 94 percentage points recorded across 29 price observations. The last 24 hours show only a further -0.2 percentage point change, indicating the price has settled near this low level rather than continuing to swing. The move follows no single publicly reported trigger; the scale and speed of the initial correction is more consistent with an early, thinly traded print being replaced by a more considered assessment than with a specific news event driving the change.

Context

Iran has been governed since the 1979 revolution by a clerical system built around the Supreme Leader's office, currently held by Ali Khamenei, with the Guardian Council vetting who may run for office and the Islamic Revolutionary Guard Corps (IRGC) enforcing internal security under clerical authority. This structure has survived wars, sanctions, and repeated waves of domestic protest since 1979. In June 2025, Israel and the United States carried out direct strikes on Iranian nuclear and military sites, the most serious external confrontation the Islamic Republic had faced in decades, and speculation about the regime's durability spiked.,A ceasefire followed that conflict, and the ruling structure remained in place. This market asks a narrower and more demanding question: not whether Iran faces pressure or internal friction, but whether its governing system is actually dissolved, incapacitated, or replaced by something fundamentally different, or loses de facto control of most of the population, before the end of September 2026. The settlement rules explicitly exclude routine elections, internal reshuffles that preserve the core structure, and partial territorial losses to rebel or exile groups.

Analysis

The starting point for this market is unusual. When it was first recorded on 29 July 2026, the price stood at 97%, implying the market treated regime collapse as almost certain. Within the same short observation window it fell to the current consensus of 3% — a reversal of 94 percentage points. That kind of swing from an opening print to a settled level, rather than a gradual drift, typically signals that the initial price reflected thin, early trading rather than a considered view, and that the market corrected quickly once more participants and information came in. The recorded range since then has held at 97% only for that very first tick before the drop, and the last 24 hours show a change of just -0.2 percentage points, meaning the price has stabilized near its floor rather than continuing to move.,Volume across the tracked venue, Polymarket, stands at $1,222,695. For a geopolitical event of this magnitude, that is a modest figure, and the fact that only one venue is currently pricing the question means there is no cross-market check on the number — the price reflects the positioning of whoever is trading on that single platform, not a broad consensus of independent markets. With 29 price observations recorded, the data history is short, and a market this thin can still move sharply on a handful of large trades even after settling near an extreme.,The substance behind the low price is straightforward. The settlement bar requires broad consensus reporting of a clear break in continuity — a new provisional government, a revolutionary council, or a new constitution — and explicitly rules out internal coups that preserve the core structure or partial territorial losses to armed opposition groups. As of late July 2026, no such process has been publicly reported by Reuters, AP or BBC. The Islamic Republic's institutions — the Supreme Leader's office, the Guardian Council, and the IRGC — continued functioning through the 2025 conflict with Israel and the United States without an institutional rupture, which sets a high base rate against a sudden, internationally recognized collapse within the roughly two months remaining before the 30 September 2026 deadline.

What moves the probability

  • Narrow resolution window

    Only about two months remain before the 30 September 2026 deadline, and no publicly reported process toward a new government or constitution is underway. This pushes the price down, since institutional collapses of this scale have historically taken longer to unfold and confirm.

  • High settlement bar

    The rules require broad consensus reporting of a clear break in continuity, not just unrest, a coup that keeps core structures, or loss of some territory to rebel groups. That definition excludes several plausible destabilizing scenarios from counting as Yes, which weighs heavily against the outcome.

  • Regime survived 2025 conflict intact

    The Islamic Republic's core institutions remained in place after direct strikes by Israel and the United States in June 2025. That precedent suggests the current governing structure has shown resilience under significant external pressure, reinforcing a low probability.

  • Thin, single-venue liquidity

    With trading concentrated on one platform and total volume of $1,222,695, the price can be more volatile and less representative of a wide information pool than in deeper, multi-venue markets. This makes the current 3% level a signal from a narrower set of participants than the headline figure might suggest.

  • Opening print looks like a mispricing

    The jump from 97% at first recording to the current consensus points to an initial price set before meaningful trading activity had occurred. The scale of that correction, rather than a gradual repricing, suggests the early figure carried little informational weight.

The case for

  • A fracture inside IRGC command structures or a succession crisis around Khamenei would need to trigger an open elite split before 30 September 2026.
  • Mass protests would need to overwhelm domestic security forces to the point that a provisional council or new constitutional process gains recognition from major outlets.
  • Reuters, AP and BBC would need to report clear, converging evidence of that break in continuity, not just competing claims from opposition or state media.
  • Any of these developments would need to happen and be confirmed within roughly two months, a short runway for an institutional collapse of this scale.

The case against

  • As of late July 2026, no provisional government, revolutionary council, or new constitution process has been reported by major outlets.
  • The Supreme Leader's office, Guardian Council and IRGC continued to function through the 2025 conflict with Israel and the United States without institutional rupture.
  • The settlement rules exclude internal coups that preserve core structures and partial territorial losses to rebel or exile groups, closing off several disruptive-but-insufficient scenarios.
  • The historical base rate for a fully documented regime collapse within a roughly two-month window is very low, absent an active, escalating crisis already underway.

Trade this contract

Venues (1)

Open on PolymarketYes 0.03
  • gas covered
  • no trading fee

Venues (1)

Resolution rules

Determined by
Major international news outlets (Reuters, AP, BBC) consensus reporting
Resolution date

The outcome is determined by consensus reporting from Reuters, AP and BBC on whether Iran's ruling structures have been dissolved, incapacitated, or replaced by 30 September 2026, 11:59 PM ET, or have otherwise lost de facto control over most of the population. Qualifying events include a new provisional government, revolutionary council, or new constitution; routine elections, reforms, leadership succession, internal coups that preserve core structures, and partial territorial losses to rebel or exile groups do not qualify. Only one venue, Polymarket, is currently tracked for this question, so there is no cross-venue difference in settlement source to reconcile at this time.

Calculation methodology →

Local context

A genuine collapse of Iran's ruling structure would rank among the largest geopolitical shocks of the decade for this audience, with direct effects on oil prices, US foreign policy toward the Middle East, and Israel's security calculations. Energy markets in particular are sensitive to Gulf instability, meaning a shift in this market's pricing can be an early signal worth watching even for readers with no direct exposure to Iran.

What to watch

Between now and 30 September 2026, watch for any Reuters, AP or BBC reporting of a provisional government, revolutionary council, or constitutional rupture in Iran; large-scale protest movements that visibly overwhelm security forces; statements or actions from the IRGC command structure suggesting internal fracture; and any renewed military confrontation involving Israel, the United States or Iran that could accelerate instability. The 30 September 2026, 11:59 PM ET settlement deadline itself is the final checkpoint, after which the question resolves based on the state of reporting at that time.

Common questions

What exactly settles this market and when?
It settles based on consensus reporting from Reuters, AP and BBC on whether Iran's current ruling structures — the Supreme Leader's office, Guardian Council and IRGC under clerical authority — have been dissolved, incapacitated, or replaced by 30 September 2026, 11:59 PM ET. If there is no such consensus by that date, it resolves No.
What does the current price actually mean?
The price is the market's live estimate of the probability that the regime falls under the settlement definition by the deadline. It is not a prediction from any single analyst or institution, but the aggregate view implied by trading on the venue where the contract is listed.
What happens if the situation is ambiguous by 30 September 2026?
The rules require broad consensus reporting of a clear break in continuity, so partial or contested developments — such as an internal coup that keeps core structures, or loss of some territory to rebel groups — would not be enough on their own to resolve Yes. Absent that clear consensus, the market resolves No.
Why did the price move so sharply right after the market opened?
The price went from 97% at its first recording on 29 July 2026 to the current 3% within a short window of just 29 recorded observations. That pattern typically reflects an early, thinly traded price being corrected once more participants engaged, rather than a specific news event.
Does the 2025 Israel-Iran conflict factor into this market?
That conflict, involving direct strikes by Israel and the United States on Iranian sites in June 2025, is part of the backdrop that raised earlier speculation about regime durability. The Islamic Republic's institutions remained in place after that conflict, which is relevant context for why the market currently prices collapse as unlikely.
Is this market being priced consistently across platforms?
Currently only one venue, Polymarket, is tracked for this question, so there is no cross-venue spread to compare. That also means the price reflects a single, relatively thin pool of trading activity rather than a consensus across multiple independent markets.

Related events

3%/ 97%
Yes / No
Open on Polymarket