Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Kharg Island remains firmly under Iranian control today, serving as the nation’s primary oil terminal and handling roughly 90% of its crude exports[1][2]. The market on Polymarket prices the chance of Iran losing control by March 2026 at 0% YES, reflecting the island’s heavy fortification and its status as Iran’s economic lifeline[5][6]. On-chain, this contract trades in USDC on Polygon using conditional tokens, where the 0% price signals that no on-chain liquidity expects a transfer of primary governmental or military authority to another state or force[3].
Historically, comparable cases like the 2026 US strike on Kharg in March 2026 show that bombardment or temporary disruption does not equate to loss of control[3]. The market definition requires another state or internationally backed authority to establish primary control, a threshold not met by isolated landings, naval presence, or sabotage[1][4]. Past conflicts in the Gulf demonstrate that even when infrastructure is damaged, Iran retains operational command unless a full occupation occurs, which aligns with the current 0% probability[2][7].
Traders should watch for official announcements regarding US or Israeli occupation plans, as well as schedules tied to the Strait of Hormuz blockade dependencies[2]. A recent JP Morgan note highlights that seizing Kharg would stall Iran’s exports and halve output, potentially triggering regional attacks, yet no such occupation has been confirmed[2]. The settlement window ends 23:55 UTC on 31 March 2026, and any catalyst must show a clear transfer of primary control, not just temporary disruption[3][8].
Methodology
We track Pronóstico: Kharg Island no longer under Iranian control by 2026? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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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