Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
20% | 80% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
20% | 80% | 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 |
|---|---|
| JD Vance | 20% |
| Marco Rubio | 13% |
| Gavin Newsom | 12% |
| Alexandria Ocasio-Cortez | 9% |
| Jon Ossoff | 9% |
| Kamala Harris | 5% |
| Josh Shapiro | 3% |
| Donald Trump | 3% |
| Pete Buttigieg | 2% |
| Ron DeSantis | 2% |
| Dwayne 'The Rock' Johnson | 2% |
| Wes Moore | 1% |
| Gretchen Whitmer | 1% |
| Andy Beshear | 1% |
| Glenn Youngkin | 1% |
| JB Pritzker | 1% |
| Donald Trump Jr. | 1% |
| Nikki Haley | 1% |
| Greg Abbott | 1% |
| Elon Musk | 1% |
| Tucker Carlson | 1% |
| Michelle Obama | 1% |
| Jamie Dimon | 1% |
| Ro Khanna | 1% |
| Thomas Massie | 1% |
| James Talarico | 1% |
| Stephen Smith | 0% |
| Tulsi Gabbard | 0% |
| Tim Walz | 0% |
| Vivek Ramaswamy | 0% |
| LeBron James | 0% |
| Kim Kardashian | 0% |
| Ivanka Trump | 0% |
| Zohran Mamdani | 0% |
| Eric Trump | 0% |
| Pete Hegseth | 0% |
| Jalen Brunson | 0% |
| Abigail Spanberger | 0% |
| Hakeem Jeffries | 0% |
| Elissa Slotkin | 0% |
| Adam Schiff | 0% |
| Josh Stein | 0% |
| Alex Padilla | 0% |
| Candace Owens | 0% |
| Tim Scott | 0% |
| Mike Johnson | 0% |
| Doug Burgum | 0% |
| Tom Cotton | 0% |
| John N. Kennedy | 0% |
| Rick Scott | 0% |
| Person AD | 0% |
| Person AE | 0% |
| Person AF | 0% |
| Person AG | 0% |
| Person AH | 0% |
| Person AI | 0% |
| Person AJ | 0% |
| Person AK | 0% |
| Person AL | 0% |
| Person AM | 0% |
| Person AN | 0% |
| Person AO | 0% |
| Person AP | 0% |
| Person AQ | 0% |
| Person AR | 0% |
| Person AS | 0% |
| Person AT | 0% |
| Person AU | 0% |
| Person AV | 0% |
| Person AW | 0% |
| Person AX | 0% |
| Person AY | 0% |
| Person AZ | 0% |
| Person BA | 0% |
| Person BB | 0% |
| Person BC | 0% |
| Person BD | 0% |
| Person BE | 0% |
| Person BF | 0% |
| Person BG | 0% |
| Person BH | 0% |
| Person BI | 0% |
| Person BJ | 0% |
| Person BK | 0% |
| Person BL | 0% |
| Person BM | 0% |
| Person BN | 0% |
| Person BO | 0% |
| Person BP | 0% |
| Person BQ | 0% |
| Person BR | 0% |
| Person BS | 0% |
| Person BT | 0% |
| Person BU | 0% |
| Person BV | 0% |
| Person BW | 0% |
| Person BX | 0% |
| Person BY | 0% |
| Person BZ | 0% |
| Person CA | 0% |
| Person CB | 0% |
| Person CC | 0% |
| Person CD | 0% |
| Person CE | 0% |
| Person CF | 0% |
| Person CG | 0% |
| Person CH | 0% |
| Person CI | 0% |
| Person CJ | 0% |
| Person CK | 0% |
| Person CL | 0% |
| Person CM | 0% |
| Person CN | 0% |
| Person CO | 0% |
| Person CP | 0% |
| Person CQ | 0% |
| Person CR | 0% |
| Person CS | 0% |
| Person CT | 0% |
| Person CU | 0% |
| Person CV | 0% |
| Person CW | 0% |
| Person CX | 0% |
| Person CY | 0% |
| Person CZ | 0% |
| Person DA | 0% |
| Person DB | 0% |
| Other | 0% |
Market context
Polymarket prices this contract at **20% YES** today, so the market is still treating the 2028 presidential result as a long-dated, highly contingent event rather than a settled contest. On Polymarket, traders buy and sell **USDC** on **Polygon**, and the contract pays out through **conditional tokens** if the specified winner is confirmed; otherwise it resolves to **No**. The practical question is not just who leads in polls, but whether AP, Fox News and NBC all call the same candidate before the inauguration date, because that is the market’s resolution trigger.
At this stage, a 20% price fits an open-field race with no incumbent and no nomination settled. Political coverage already describes 2028 as unusually fluid, with both parties expected to start the cycle without a clear anointed front-runner, while early candidate lists include names such as JD Vance, Marco Rubio, Gavin Newsom, Pete Buttigieg and Kamala Harris.[4][5][6] Comparable early-cycle markets often stay depressed until the field narrows, because primary calendars, candidate withdrawals and vice-presidential or cabinet announcements can quickly change who is even viable. The current level also leaves room for a sharp repricing if a dominant nominee emerges from either party.
For a hands-on trader, the catalysts are the dates and announcements that turn speculation into an actual race. The next major inflection points are the 2026 midterms, followed by candidate launches and early-state positioning in 2027, which The New York Times says is when campaign announcements could start to accelerate.[4] Watch for formal entries, vice-presidential and cabinet exits, primary calendar decisions, and polling that clarifies whether the Republican and Democratic fields are coalescing or fragmenting. Recent polling coverage has already shown movement in the Republican and Democratic hypothetical fields, with Vance and Rubio close on the Republican side and Buttigieg and Newsom among the main Democratic names.[3]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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