Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Joe Biden | 100% |
| Barack Obama | 100% |
| Nicolás Maduro | 100% |
| Jimmy Kimmel | 100% |
| Kaitlan Collins | 100% |
| Vladimir Putin | 64% |
| Marjorie Taylor Greene | 49% |
| Emmanuel Macron | 48% |
| Alex Jones | 43% |
| Zohran Mamdani | 40% |
| Jerome Powell | 38% |
| Tucker Carlson | 33% |
| Freidrich Merz | 10% |
| Candace Owens | 8% |
| Keir Starmer | 8% |
| Elon Musk | 8% |
| Norah O'Donnell | 8% |
| Megyn Kelly | 7% |
| Pope Leo XIV | 7% |
| Pam Bondi | 5% |
| Benjamin Netanyahu | 5% |
| Kevin Warsh | 4% |
| Viktor Orbán | 3% |
| Mohammed bin Salman | 3% |
| J.D. Vance | 2% |
| Melania Trump | 1% |
| Xi Jinping | 1% |
Market context
Polymarket is pricing this contract at **33% YES**, so the market is implying roughly a one-in-three chance that Donald Trump will publicly insult the named person before the close of the settlement window. On Polymarket, that view is expressed through **USDC** positions on **Polygon** via conditional tokens, so the price is the live crowd estimate rather than a judgement on whether an insult is likely in the abstract.
Trump has a long record of using personal put-downs in public remarks, including calling Kamala Harris “mentally impaired” and urging that she be “impeached and prosecuted” at a rally, which is the kind of language this market is designed to capture.[1] More broadly, traders tend to treat these contracts as highly event-driven: even a short off-the-cuff remark, a rally riff, or a post on his own channels can satisfy the resolution rules if it is clearly derogatory, while routine criticism of policy usually does not. Recent coverage has also shown him delivering broad attacks in public settings, including a rambling appearance at the White House Correspondents’ Dinner and a renewed emphasis on tariffs and other political grievances, all of which can create opportunities for a targeted insult to surface.[2]
For traders, the main catalysts are scheduled appearances, press availabilities, and any rapid-fire media moments around campaign or governing announcements, because those are the easiest places for a personal attack to appear unexpectedly. Polymarket’s contract will resolve only if the insult is public and attributable within the market window, so the practical watchlist is Trump’s live remarks, official statements, and any clip that can be cleanly interpreted under the market’s wording.[3]
Methodology
We track Who will Trump publicly insult by July 31? 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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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 UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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