Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets UK.
Active sub-markets
Market context
The Trump administration's approach to unclassified UFO and unexplained aerial phenomena documentation remains a central point of speculation ahead of the 2026 deadline. During his first term, Trump signed the 2020 Intelligence Authorization Act, which mandated the Director of National Intelligence release a report on unidentified aerial phenomena—delivered in June 2021 under the Biden administration. That report acknowledged incidents without confirming extraterrestrial origins. The current market implies near-zero probability of new declassifications, yet this sits at odds with Trump's historical positioning on UFO transparency and his stated interest in releasing classified materials broadly.
Prior declassification efforts offer limited precedent for predicting executive action on this specific category. The 1995 release of the Rockefeller Commission report and subsequent Congressional hearings on UAP (unidentified aerial phenomena) occurred without formal declassification orders. Trump's first-term statements on UFO footage were largely reactive rather than proactive, and no systematic declassification programme targeting extraterrestrial-related files materialised. The Pentagon and intelligence community have historically resisted broad releases, citing national security and sources-and-methods protection.
Traders should monitor announcements from the Director of National Intelligence, Department of Defense statements on UAP policy, and any executive orders on declassification scope. Congressional pressure—particularly from the House Oversight Committee, which has held recent UFO hearings—may influence executive priorities. The market's 0% implied probability reflects scepticism about whether declassification will occur within the specified window, though divergence between this and broader sentiment on Trump's transparency agenda suggests material uncertainty remains unpriced.
Methodology
This page reviews Trump declassifies new UFO files by 2026? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Best Prediction Markets UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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
- Is this market available outside the US?
- Best Prediction Markets UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 does it cost to trade on Best Prediction Markets UK?
- Zero. Best Prediction Markets UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
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