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 |
|---|---|
| August 1 | 100% |
| August 3 | 100% |
| August 4 | 100% |
| August 5 | 100% |
| August 6 | 100% |
| August 7 | 100% |
| August 8 | 100% |
| August 9 | 100% |
| August 10 | 100% |
| August 12 | 100% |
| August 13 | 100% |
| August 29 | 94% |
| August 31 | 94% |
| August 17 | 93% |
| August 27 | 93% |
| August 14 | 92% |
| August 20 | 92% |
| August 21 | 92% |
| August 22 | 92% |
| August 25 | 92% |
| August 28 | 92% |
| August 15 | 91% |
| August 18 | 91% |
| August 19 | 91% |
| August 24 | 91% |
| August 26 | 91% |
| August 30 | 91% |
| August 16 | 89% |
| August 23 | 88% |
| August 2 | 0% |
| August 11 | 0% |
Market context
Donald Trump’s public remarks are the event to watch here: if he makes a direct insult in a speech, interview, post, rally aside, or other on-the-record statement on the specified date, the market resolves Yes. For programmatic monitoring, the cleanest setup is to watch his official social channels, press availability, rally transcripts, and same-day broadcast clips, then classify only language that is publicly available in Trump’s own words, since leaked private comments do not count under the market rules.
The 100% crowd price is consistent with his long-running pattern of using insulting nicknames and openly disparaging opponents, journalists, and other public figures. Historical compilations of Trump’s Twitter-era output document hundreds of insults from 2015 to 2021, while later analyses found his second-term rhetoric has become more profane and combative, with a marked rise in vulgarity and personal attacks.[1][3][6][18] For traders building tooling, that history matters less as a directional signal than as a baseline: the question is not whether Trump insults people, but whether he does so publicly on the target date, which has been frequent enough that automated scanners for transcripts and social feeds would treat a positive hit as the default case.
The main catalysts are schedule-driven: rallies, interviews, campaign-style events, press gaggles, and reactive posts after political headlines all increase the chance of a qualifying insult. Reuters-style event calendars, White House or campaign pool notes, and live broadcast transcripts are the practical inputs for a rules-based watchlist, because the market depends on *direct wording* rather than summaries or paraphrases. Recent reporting has also noted that his second-term language has intensified, including a Washington Post analysis published in May 2026 that found more personal insults and profanity in his public speech and social posts.[3]
Methodology
We track Will Trump publicly insult someone on 2026? 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.
- 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 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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