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 | Open the market → |
Polymarket (direct) polymarket.com |
26% | 74% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
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
Polymarket is pricing **Yes** at about **7%**, so the contract is trading as a low-probability event rather than a base case. On Polymarket, that means traders using USDC on Polygon are assigning only a small chance that Mojtaba Khamenei loses de facto control before the 31 December 2026 settlement deadline, with outcomes represented through conditional tokens rather than a binary opinion poll.[20][5]
That read fits the broader historical framing: leadership transitions in Iran are usually slow, opaque and mediated by elite institutions, especially the Assembly of Experts and security networks, which makes abrupt removal harder to price with confidence. Recent forecasting work from the Council on Foreign Relations describes a transition as highly uncertain and argues that near-term forced regime change remains unlikely, while market references this year have generally kept the event in low-to-mid teens for shorter-dated expiries rather than implying an imminent break.[1][3][2]
For traders, the main catalysts are official statements, succession signals from clerical bodies, and any disruption to the power balance inside the security establishment. A formal announcement of resignation, removal, detention or inability to act would satisfy the market’s resolution logic, so headline risk around state media, Assembly of Experts developments and any verified health or security incident matters more than abstract geopolitics.[5][15] In practice, Polymarket users should watch for authenticated reporting that changes who is exercising effective authority, because that is what will move the conditional token price fastest.[5]
Methodology
We track Iran leadership change by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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