Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
7% | 93% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 7% |
| September 30 | 3% |
| April 30 | 0% |
| June 30 | 0% |
| May 31 | 0% |
| March 31 | 0% |
Market context
The US government maintains a formal position that no evidence exists for extraterrestrial life or technology, a stance reaffirmed repeatedly by the White House and Pentagon. Official statements from space policy experts and Defence Department spokespeople consistently deny knowledge of contact with aliens or the existence of hidden spacecraft, citing that most reported sightings are misidentified ordinary phenomena [1][2]. This entrenched official denial directly underpins the current 0% crowd-implied probability for a definitive confirmation of alien existence by the end of 2026.
Historically, comparable cases of government file releases, such as the recent PURSUE system launch in May 2026, have failed to shift the official narrative despite public excitement. The Pentagon confirmed that the initial tranche of over 160 military files contained unresolved cases but explicitly stated there was "no hint, no evidence whatsoever of anything artificial and alien" [5]. Even when President Donald Trump encouraged the public to "have fun and enjoy" the release, both he and the Pentagon clarified that the documents did not provide confirmed evidence of extraterrestrial life, reinforcing the pattern that transparency measures do not equate to confirmation [5].
Traders should monitor the schedule for the fourth release of files on 10 July 2026, which included 40 documents from NASA, the Pentagon, and the CIA, though these similarly lacked definitive proof [5]. The primary catalyst remains any future statement from the President, Cabinet, Joint Chiefs, or a federal agency that definitively alters the current "no evidence" position. Recent Pentagon assessments continue to emphasise that AARO has found no proof of alien beings, activities, or technologies, suggesting the line will remain unchanged unless a high-level official explicitly contradicts decades of consistent reporting [7][8].
Methodology
Football-specific comparison page for توقع: Will the US confirm that aliens exist by 2027?. 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
- 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.
- 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.
- 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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