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, Iran's primary oil export terminal in the Persian Gulf, would need to fall under sustained control of a foreign state or occupying force by end-March 2026 for this market to resolve affirmatively. The island has hosted Iranian military and petroleum infrastructure since the 1960s and remains strategically vital to Iran's economy. The 0% implied probability across prediction platforms reflects the absence of any credible military pathway to Iranian loss of control within the settlement window—a consensus that persists despite regional tensions.
Historical precedent offers limited guidance. The 1980–88 Iran–Iraq War saw repeated Iraqi attacks on Kharg, including strikes that temporarily disrupted operations, yet Iran retained sovereignty throughout. No comparable case exists of a Gulf state losing control of a defended island to external forces in the modern era without formal declaration of war and sustained amphibious invasion capability. The threshold for resolution—requiring established governmental or military control by another actor, not merely temporary disruption—sets a high bar that distinguishes this from markets on isolated attacks or production shutdowns.
Near-term catalysts centre on US–Iran escalation dynamics and Israeli regional operations. Any major shift in sanctions policy, direct military confrontation, or announcement of blockade intentions would move trader attention, though current geopolitical trajectory shows no trajectory toward occupation. Polymarket's 2% fee structure and unrestricted global access contrast with Kalshi's US-only KYC requirements; Betfair and Smarkets offer decimal odds formats (around 1.01) that may appeal to traders seeking tighter spreads on low-probability events. The market's flatness reflects genuine assessment rather than liquidity constraint.
Methodology
We read Kharg Island no longer under Iranian control by 2026? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. 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 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.
- 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.
- 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.
Trade Kharg Island no longer under Iranian control by 2026? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →