Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1 | 100% |
| 0 | 0% |
| 2 | 0% |
| 3+ | 0% |
Market context
The 2026 FIFA World Cup has concluded with Donald Trump attending exactly one match: the final between Spain and Argentina at MetLife Stadium in New Jersey on 19 July. White House officials confirmed his presence for the grand climax, marking his first and only in-person appearance at the tournament despite earlier speculation he might attend earlier knockout games [1][2].
Historically, prediction markets on presidential event attendance often price in zero until official confirmation, mirroring how Trump’s 2024 campaign rally attendance markets resolved only after White House schedules were published. Comparable cases show that when a leader is invited to present a trophy or deliver a keynote, attendance probability jumps from near-zero to near-certainty once the invitation is publicly verified, as seen with Infantino’s confirmation that Trump was asked to present the trophy [3][8].
Traders should monitor official White House travel logs and FIFA press releases for any pre-final announcements, though the final is now settled. The key catalyst was the 12 June White House statement confirming Trump would miss the US opener but attend the final, which immediately shifted the probability from 0% to 100% for the “one match” outcome [4][5]. With the tournament complete and the settlement window closing 20 July, the market resolves to 1, rendering the current 0% YES price a clear mispricing for any conditional order targeting the “at least one” outcome.
Methodology
We track How many World Cup matches will Trump attend? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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