Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via World Cup 2026 Favorites) Pick polygram.ink (preferred broker) |
89% | 11% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
89% | 11% | 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 |
|---|---|
| July 31 | 89% |
| July 15 | 84% |
| June 15 | 0% |
| June 22 | 0% |
| June 30 | 0% |
| July 7 | 0% |
Market context
The Trump administration has already declassified multiple tranches of UFO and unexplained aerial phenomena files, with the first release occurring on 8 May 2026 and subsequent batches on 22 May and 12 June 2026, meaning the core event the market asks about has already happened. These files, published via the PURSUE system, include over 300 documents dating to the 1940s, witness interviews, pilot accounts, and videos, though none confirm extraterrestrial origin.
Historically, similar transparency pushes—such as the 2024 National Defense Authorization Act’s UAP Records Collection—have yielded rolling disclosures without definitive proof of aliens, framing the current 0% YES probability as a misreading of the timeline rather than a lack of action. The market’s settlement window ends in June 2026, but the administration’s directive in February 2026 and the May 2026 releases already satisfy the condition of declassifying previously unavailable files on UAPs.
Traders should monitor the Department of War’s PURSUE portal for the next tranche, expected every few weeks, and watch for any congressional requests for additional audio or video evidence, as lawmakers have previously driven releases. ABC News reported on the Pentagon’s latest release on Friday, confirming the rolling basis of disclosures and noting that redactions remain but complete case files are now public [2]. No new announcement is needed to resolve this market to YES, as the event has already occurred.
Methodology
Football-specific comparison page for Trump declassifies new UFO files by 2026?. 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 (US-focused) or Manifold (play-money).
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
- 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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