Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Volodymyr Zelenskyy | 100% |
| Mohammed bin Salman | 100% |
| Vladimir Putin | 100% |
| Keir Starmer | 100% |
| Ahmed al-Sharaa | 100% |
| Mark Rutte | 100% |
| Friedrich Merz | 100% |
| Mark Carney | 100% |
| Andy Burnham | 100% |
| Emmanuel Macron | 49% |
| Ursula von der Leyen | 33% |
| Lula da Silva | 7% |
| Elon Musk | 4% |
| Nicolás Maduro | 1% |
| Reza Pahlavi | 1% |
| Kim Jong Un | 1% |
| Maria Corina Machado | 1% |
| Masoud Pezeshkian | 1% |
| Pope Leo XIV | 1% |
| Miguel Díaz-Canel | 1% |
| Xi Jinping | 0% |
| Yoon Suk Yeol | 0% |
| Mojtaba Khamenei | 0% |
Market context
The market is about whether a named person has any verbal interaction with Donald Trump during July, so the relevant question is not a formal meeting alone but any confirmed phone, video or in-person exchange. In practice, the strongest signal is a dated report from a major outlet or an official readout that directly places the two together, with the market then settling in USDC after the resolution source is checked.
Recent July precedent shows how quickly these probabilities can move when Trump’s schedule is active. Reuters reported Trump’s NATO-trip meetings with Volodymyr Zelenskiy and Syrian President Ahmed al-Sharaa on 5 July, and later reported Trump’s 28 July meetings with Zelenskiy and Benjamin Netanyahu at the White House[7][3][10]. Those events illustrate the main historical pattern for this kind of contract: once a counterpart is already in Trump’s orbit, the odds of a July interaction rise sharply; when no travel, summit or bilateral is on the calendar, the market tends to stay compressed.
For traders, the catalysts are straightforward: White House scheduling releases, pool reports, and any late-breaking diplomatic visit announcements. Trump’s 31 July Cabinet meeting at Camp David shows that last-minute additions still happen even late in the month, while Reuters and White House materials remain the clearest sources for confirming an actual exchange[10][1][2]. On the crypto side, the outcome will settle in USDC, so the contract is mainly a clean event bet rather than a macro hedge, though broader BTC and ETH sentiment can still influence liquidity and how aggressively participants lean into thinly traded names.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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