Kharg Island no longer under Iranian control by 2026?

Platform comparison

Market context

Kharg Island remains under Iranian control today, handling roughly 90% of the nation’s crude exports and serving as the linchpin of its oil economy[1][2]. The prediction market currently prices the chance of it falling from Iranian grip by March 2026 at 0% YES, reflecting the absence of any credible on-chain or geopolitical signal that a transfer of sovereignty is imminent[3]. On Polymarket, this contract trades as a conditional token on Polygon, settled in USDC, where the zero probability indicates the market sees no pathway for another state or force to establish primary governmental or military control over the island within the settlement window[3].

Historically, islands with such concentrated export infrastructure rarely lose control without a full-scale invasion or occupation, not merely strikes or sabotage. The 2026 Iran conflict saw US forces strike Kharg on 14 March 2026 after the IRGC blockaded the Strait of Hormuz, yet Iran retained full control despite the bombardment[3]. Comparable cases, such as the US seizure of oil terminals in Iraq or the Israeli capture of strategic ports in past conflicts, required sustained occupation and administrative replacement—conditions absent in Kharg’s current trajectory[2][9].

Traders should monitor official announcements from Tehran and Washington regarding post-strike negotiations, any UN-backed mediation efforts, or shifts in US military posture in the Gulf. A recent JP Morgan note warned that seizing Kharg would halve Iran’s output and trigger regional retaliation, yet no such operation has been launched or announced[2]. With the settlement deadline fixed at 31 March 2026 and no occupation force deployed, the catalysts for a change in control remain nonexistent, reinforcing the market’s 0% pricing[2][3].

Sources: 1 · 2 · 3 · 4 · 5

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 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.