Will the Iranian regime fall by June 30?

Platform comparison

Market context

The Iranian regime's collapse within eighteen months would require the dissolution of the Supreme Leader's office, the Guardian Council, and clerical control over the Revolutionary Guards—the institutional pillars that have sustained the Islamic Republic since 1979. Polymarket currently prices this outcome at 1%, reflecting the market's assessment that such a fundamental rupture of state authority is extraordinarily unlikely within the settlement window. This probability sits well below historical base rates for regime change in comparable authoritarian systems over comparable timeframes, suggesting traders view the regime's coercive apparatus and factional balances as sufficiently durable to withstand near-term collapse.

Historical precedent offers limited comfort for YES positions. The Shah's regime fell in 1979 after years of mounting pressure, but most twentieth-century authoritarian collapses unfolded across multi-year trajectories rather than eighteen-month windows. The Soviet Union's dissolution took roughly two years once acceleration began, whilst the GDR's fall compressed into months—yet both followed extended periods of visible institutional decay. Iran's current structures, despite economic strain and periodic unrest, retain operational control over security forces and have weathered sustained internal opposition since at least 2009.

Traders monitoring this contract should track indicators of regime fragmentation: splits within the IRGC leadership, defections among senior clerics, or cascading sanctions that degrade state capacity. Recent reporting from Reuters and AFP has documented economic pressure and factional tensions, but no reporting suggests imminent institutional collapse. The 2024 presidential succession and any subsequent power struggles within the Guardian Council warrant close attention, as would unexpected military or security force mutinies—events with minimal probability but material impact on resolution.

Methodology

This page reviews Will the Iranian regime fall by June 30? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket UK?

Zero. Polymarket UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in minutes.