Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
83% | 17% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
83% | 17% | 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 |
|---|---|
| Mojtaba Khamenei | 83% |
| No Head of State | 3% |
| Reza Pahlavi | 3% |
| Mohammad-Bagher Ghalibaf | 3% |
| Hassan Khomeini | 1% |
| Masoud Pezeshkian | 1% |
| Alireza Arafi | 1% |
| Abbas Araghchi | 1% |
| Ahmad Vahidi | 1% |
| Muhammad Mirbaqiri | 0% |
| Sadegh Larijani | 0% |
| Hassan Shariatmadari | 0% |
| Maryam Rajavi | 0% |
| Massoud Rajavi | 0% |
| Seyed Hossein Mousavian | 0% |
| Reza Pirzadeh | 0% |
| Navid Shomali | 0% |
| Mustafa Hijri | 0% |
| Ali Motahari | 0% |
| Gholam-Ali Haddad-Adel | 0% |
| Mostafa Pourmohammadi | 0% |
| Sadegh Mahsouli | 0% |
| Saeed Jalili | 0% |
| Hassan Rouhani | 0% |
| Mahmoud Ahmadinejad | 0% |
| Mohammad Khatami | 0% |
| Other | 0% |
| Mohammad Pakpour | 0% |
| Ali Larijani | 0% |
| Mohsen Araki | 0% |
| Nasir Hosseini | 0% |
| Ahmad Hosseini Khorasani | 0% |
| Ali Asghar Hejazi | 0% |
| o | 0% |
| p | 0% |
| q | 0% |
| r | 0% |
| s | 0% |
| t | 0% |
| u | 0% |
| v | 0% |
| w | 0% |
| x | 0% |
| y | 0% |
| z | 0% |
| aa | 0% |
| ab | 0% |
| ac | 0% |
| ad | 0% |
| ae | 0% |
| af | 0% |
| ag | 0% |
| ah | 0% |
| ai | 0% |
| aj | 0% |
| ak | 0% |
| al | 0% |
| am | 0% |
| an | 0% |
| ao | 0% |
| ap | 0% |
| aq | 0% |
| ar | 0% |
| as | 0% |
| at | 0% |
| au | 0% |
| av | 0% |
| aw | 0% |
| ax | 0% |
| ay | 0% |
| az | 0% |
| ba | 0% |
| bb | 0% |
| bc | 0% |
| bd | 0% |
| be | 0% |
| bf | 0% |
| bg | 0% |
| bh | 0% |
| bi | 0% |
| bj | 0% |
| bk | 0% |
| bl | 0% |
| bm | 0% |
| bn | 0% |
| bo | 0% |
| bp | 0% |
| bq | 0% |
| br | 0% |
| bs | 0% |
| bt | 0% |
| bu | 0% |
| bv | 0% |
| bw | 0% |
| bx | 0% |
| by | 0% |
| bz | 0% |
| ca | 0% |
| cb | 0% |
| cc | 0% |
| cd | 0% |
| ce | 0% |
| cf | 0% |
| cg | 0% |
| ch | 0% |
| ci | 0% |
| cj | 0% |
| ck | 0% |
| cl | 0% |
| cm | 0% |
| cn | 0% |
| co | 0% |
| cp | 0% |
| cq | 0% |
| cr | 0% |
| cs | 0% |
| ct | 0% |
| cu | 0% |
| cv | 0% |
| cw | 0% |
| cx | 0% |
| cy | 0% |
| cz | 0% |
Market context
The real-world event driving this contract is the succession of Iran’s Supreme Leader following the assassination of Ali Khamenei in early 2026, which triggered a constitutional power vacuum and a rapid, contested transition. While the market assigns only a 3% chance that the current head of state will still hold power by the end of 2026, this figure diverges sharply from the 84.1% implied probability on Polymarket that Mojtaba Khamenei—formally elected in March 2026—will be the de facto leader. Analyst consensus, including reports from Iran International and the Soufan Center, suggests real power has already shifted to the IRGC and the former leader’s inner circle, making the 3% prediction market line appear overly cautious compared to sportsbook and institutional forecasts.
Historically, Iran has experienced only two leadership changes since 1979: Khomeini’s death in 1989 and Ali Khamenei’s rise, both followed by extended consolidation periods. The 2026 transition, however, occurred amid active war with the U.S. and Israel, accelerating military involvement in governance. Unlike past transitions where clerical networks retained control, the IRGC now exercises de facto authority over key state functions, as confirmed by informed sources in April 2026[3]. This structural shift means the 3% probability may underestimate the likelihood of a formal leader being replaced by a military-backed figure before 2027.
Traders should monitor the Assembly of Experts’ upcoming sessions, any IRGC public statements on leadership, and U.S. diplomatic engagement with Tehran’s “new leadership,” as noted by President Trump in March 2026[5]. A recent Iran International report highlights deepening tensions between President Pezeshkian’s administration and military leadership, pushing the president into political deadlock[3]. Any announcement of a new Supreme Leader, or evidence of IRGC assuming full executive control, would significantly alter the contract’s odds. The settlement window ending 31 December 2026 means the next six months will determine whether constitutional succession or military consolidation defines Iran’s head of state.
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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.
- 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 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.
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