Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
5% | 95% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
5% | 95% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 5% |
| July 31 | 1% |
Market context
Farsi Island is a small Iranian-held island in the central Persian Gulf, and the market resolves only if Iran no longer has primary governmental or military control there by the deadline.[1][2][3] Under the rules, a brief raid, offshore presence, or temporary disruption would not be enough; the change would need to amount to durable loss of control to another state, occupying force, or internationally backed authority.
The probability is being read against a very high bar. Farsi has been treated as Iranian sovereign territory in long-standing international documentation, including the 1974 UN treaty text that recognises Iran’s sovereignty over the island.[3] That makes this closer to a territorial-control market than a standard headline-risk event: historically, markets like this only move materially when there is sustained military occupation, an externally backed transfer of authority, or a formal settlement, not when tension in the Gulf spikes. The current 1% price is therefore consistent with a low base rate for outright sovereignty changes over a little more than a year.
For traders, the catalyst to watch is not routine Gulf naval activity but whether any formal announcement, scheduled negotiation, or coalition-backed maritime arrangement appears to challenge Iranian control. The market will lean heavily on diplomatic declarations, military escalation that is followed by administration on the ground, or any credible report that another authority has established lasting control. So far, the available coverage frames Farsi mainly as an Iranian island in a strategically sensitive part of the Gulf rather than as the subject of an active transfer process.[1][2][4]
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Farsi Island no longer under Iranian control by 2026? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
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