Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
8% | 92% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
8% | 92% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 8% |
| September 30 | 3% |
| August 31 | 1% |
| July 31 | 0% |
| June 24 | 0% |
| March 31 | 0% |
| April 30 | 0% |
| June 30 | 0% |
| May 31 | 0% |
| April 15 | 0% |
Market context
The market’s implied probability is **0% YES**, and that fits the consensus view: Kharg Island is a heavily fortified Iranian oil-export hub, not a territory with any obvious path to quick foreign occupation. Reuters reported on 14 March that U.S. forces destroyed military targets on the island, but also framed Kharg as the hub for about 90% of Iran’s oil exports and a long-standing vulnerability rather than a place already slipping from Iranian control.[14] That makes **YES** the clear underdog unless there is an overt change in sovereignty or a durable transfer of authority, because temporary strikes, sabotage, or disruption do not meet the market’s definition.[14][17]
For historical context, Kharg is less like a frontline checkpoint and more like critical national infrastructure: it has served as Iran’s principal export terminal for decades, with deep-water facilities built to load supertankers and handle the bulk of crude shipments.[1][6][8] In comparable cases, markets tend to overprice dramatic military headlines when the underlying question is control, not damage; an island can be bombarded, isolated, or temporarily unusable without changing who governs it. That means the favourite remains **No**, and any value on **Yes** would require evidence of a sustained capture, not just escalation around the Strait of Hormuz or the island’s terminal.[5][17]
The catalysts to watch are official Iranian defence or maritime statements, any confirmed amphibious or occupation-style operation, and whether the island’s administrative or military command structure is openly replaced. Recent coverage has focused on U.S. strikes and the island’s role in Iran’s oil logistics, but there has been no verified sign of another state or internationally backed authority taking control.[14][17] For traders, the main dependency is whether military activity stays in the realm of coercion and interdiction, or crosses into a bona fide change of control; as long as it remains the former, the market’s 0% price on **Yes** looks directionally consistent.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 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.
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