Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
26% | 74% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
26% | 74% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| June 30, 2027 | 26% |
| December 31 | 19% |
| November 30 | 14% |
| October 31 | 11% |
| September 30 | 7% |
| August 31 | 3% |
| August 22 | 1% |
| July 31 | 0% |
| August 15 | 0% |
| March 13 | 0% |
| March 31 | 0% |
| April 30 | 0% |
| May 31 | 0% |
| June 30 | 0% |
Market context
Mojtaba Khamenei leaving power, being detained, or otherwise ceasing to act as Iran’s de facto leader would be a major political break, but the market is still pricing that outcome as relatively unlikely at 8% YES. That sits well below some broader, end-of-year prediction-market snapshots that have put a Khamenei departure in the mid-teens to mid-20s, and far below more aggressive commentary that has floated much higher odds; by contrast, the Council on Foreign Relations-style regime-change framing and other analytical work still treat forced transition in Iran as a low-probability event over short horizons, with deep uncertainty concentrated in elite cohesion rather than near-term public upheaval.[2][3][4][5][15][18]
The main historical comparison is that Iranian leadership change has usually been driven by elite succession, death, or tightly controlled transfer mechanisms rather than sudden public overthrow, which is why traders often discount headline risk until there is evidence of intra-elite fracture. The current price also reflects a wide gap between market-implied probability and more cautious analyst consensus: one recent forecast put forced regime change at 4-9% over one year, while other market trackers have shown materially higher probabilities on longer-dated contracts, suggesting that some venues are pricing in tail risk more aggressively than conventional analysts.[2][5][9][11]
Catalysts to watch are formal announcements from the Supreme Leader’s office, the Assembly of Experts, or senior clerical and security figures, plus any reporting on health, detention, or succession planning. A sudden speech absence, a reported transfer of authority, or an official statement that Mojtaba Khamenei can no longer act in the role would be enough to reprice this contract quickly, whereas routine succession speculation without an explicit status change has historically been weaker signal.[1][11][12]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
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