Will the Iranian regime fall by September 30?

Platform comparison

Market context

The underlying event is whether the Islamic Republic’s core structures—Supreme Leader, Guardian Council, IRGC under clerical command—cease governing Iran by September 30, 2026. Crowd-implied probability sits at 3% YES, positioning regime collapse as the underdog with minimal consensus support. Historical baselines suggest revolutions occur roughly once per century in any given country, implying a 1% annual probability; even during political stress, estimates rarely exceed 5–6% annually. Current economic distress may lift this to 7–8%, but cohesive security forces, entrenched institutions, absence of alternative leadership, and widespread fear of post-collapse chaos (as seen in Iraq, Libya, Syria, Afghanistan) likely subtract 3–4 points, pushing the defensible estimate into low single digits. The 3% market price aligns closely with this defensible range, offering little obvious value for contrarian bets unless new catalysts emerge.

Traders should monitor IRGC announcements, Supreme Leader health updates, and Guardian Council election schedules, as these directly signal regime cohesion. Recent reporting from Stimson.org notes that a brittle regime can persist indefinitely without a unified national opposition backed externally, underscoring the current lack of viable collapse pathways. Key dependencies include whether protests expand beyond urban centres, if economic sanctions intensify, or if foreign intervention escalates—though foreign intervention remains probability-neutral per current analysis. No bullet points, no moralising: the facts indicate instability will continue vexing the regime, but outright collapse remains far from inevitable absent significant shifts in the security or leadership landscape.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Will the Iranian regime fall by September 30? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win, which mirrors 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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.