Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
0% | 100% | 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 → |
Market context
Iran has not publicly agreed to end all uranium enrichment by June 30, 2026, which aligns with the current 0% crowd-implied probability for a "Yes" resolution. Historical precedents, such as the 2015 JCPOA, show that while Iran once accepted strict enrichment limits (3.67% purity) in exchange for sanctions relief, it later resumed higher-level enrichment after the US withdrew in 2018. Recent negotiations under the Trump administration have focused on a memorandum of understanding (MoU) signed in June 2026 that commits Iran to diluting its highly enriched uranium stockpile and reopening the Strait of Hormuz, but this preliminary framework does not constitute a permanent pledge to halt all enrichment activities. The MoU explicitly leaves the future of enrichment levels and stockpile status for further talks, indicating that a total cessation remains unagreed [1][2].
Traders should monitor upcoming announcements regarding the finalisation of the comprehensive deal, as the MoU sets a 60-day window for unresolved nuclear issues to be addressed. Key catalysts include any unilateral Iranian declaration or a formal agreement with the US or Israel that explicitly bans enrichment, alongside updates on the disposal of Iran’s 60% enriched uranium stockpile, which has grown to over 400 kg as of May 2025 [4]. Recent reports from Reuters confirm that draft US deal terms include nuclear limits and an oil sanctions waiver, yet the specific mechanism for ending enrichment remains under negotiation [7]. The settlement window ending in 2026 provides ample time for further diplomatic shifts, but without a binding public pledge, the probability of a "Yes" outcome remains negligible [5]. Daniel Roth of United Against a Nuclear Iran notes that internal divisions in Iran and ongoing monitoring challenges complicate the path to a definitive halt in enrichment ambitions [8].
Methodology
Sports-specific comparison page for Iran agrees to end enrichment of uranium by June 30?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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