Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
86% | 14% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
86% | 14% | 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 | 86% |
| July 15 | 81% |
| June 15 | 0% |
| June 22 | 0% |
| June 30 | 0% |
| July 7 | 0% |
Market context
The Trump administration has already declassified multiple batches of files on Unidentified Anomalous Phenomena (UAP), including never-before-seen videos, photos, and transcripts dating back to the 1940s, with the first release occurring on 8 May 2026 under the PURSUE system [1][2]. This rolling disclosure process, confirmed by the Department of War, has already published over 300 files, meaning the core event described in the market has already transpired [2][5].
Historically, similar transparency campaigns—such as the 2017 Pentagon UFO video disclosure—initially carried low market confidence before gaining traction once official channels confirmed the release [2]. The current 0% probability appears disconnected from reality, as the administration has publicly released UAP files without clearance requirements, directly satisfying the market’s “Yes” condition [1][3].
Traders should monitor the PURSUE website (WAR.GOV/UFO) for the fourth tranche, expected after the June 12, 2026 third release, and watch for any White House announcements regarding further declassifications [4][8]. Recent Fox News coverage by Peter Doocy confirmed the “world exclusive” nature of the first batch, reinforcing that the event is not speculative but factual [1]. Regulatory frameworks like the German GlüStV and US CFTC reach do not impede this market’s accessibility, especially given the “no-KYC up to $1,500” threshold that allows immediate participation without identity verification for this specific event.
Methodology
This overview of Trump declassifies new UFO files by 2026? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Do I need to KYC for Polymarket Legal UK?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Legal UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
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