Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
21% | 79% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
21% | 79% | 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 |
|---|---|
| Gavin Newsom | 21% |
| Alexandria Ocasio-Cortez | 10% |
| Jon Ossoff | 9% |
| Kamala Harris | 6% |
| Josh Shapiro | 5% |
| Pete Buttigieg | 4% |
| Jon Stewart | 3% |
| Andy Beshear | 2% |
| James Talarico | 2% |
| Mark Kelly | 2% |
| Rahm Emanuel | 2% |
| Ro Khanna | 2% |
| Graham Platner | 2% |
| Stephen A. Smith | 1% |
| Gretchen Whitmer | 1% |
| Oprah Winfrey | 1% |
| Gina Raimondo | 1% |
| Raphael Warnock | 1% |
| Barack Obama | 1% |
| George Clooney | 1% |
| Cory Booker | 1% |
| Tim Walz | 1% |
| Bernie Sanders | 1% |
| Liz Cheney | 1% |
| Beto O’Rourke | 1% |
| Michelle Obama | 1% |
| Zohran Mamdani | 1% |
| Andrew Yang | 1% |
| John Fetterman | 1% |
| Kim Kardashian | 1% |
| Ruben Gallego | 1% |
| Jared Polis | 1% |
| Mark Cuban | 1% |
| Phil Murphy | 1% |
| Wes Moore | 1% |
| J.B. Pritzker | 1% |
| LeBron James | 1% |
| Hunter Biden | 1% |
| Chelsea Clinton | 1% |
| Dwayne 'The Rock' Johnson | 1% |
| MrBeast | 1% |
| Chris Murphy | 1% |
| Roy Cooper | 1% |
| Jasmine Crockett | 1% |
| Hillary Clinton | 1% |
| Person P | 0% |
| Person S | 0% |
| Person AB | 0% |
| Person BE | 0% |
| Person BJ | 0% |
| Person CB | 0% |
| Person CM | 0% |
| Other | 0% |
| Person T | 0% |
| Person AP | 0% |
| Person BZ | 0% |
| Person CE | 0% |
| Person U | 0% |
| Person AQ | 0% |
| Person BV | 0% |
| Person CF | 0% |
| Person AL | 0% |
| Person BH | 0% |
| Person BO | 0% |
| Person Z | 0% |
| Person AK | 0% |
| Person BP | 0% |
| Person AX | 0% |
| Person BR | 0% |
| Person AD | 0% |
| Person AO | 0% |
| Person CD | 0% |
| Person CO | 0% |
| Person AC | 0% |
| Person CN | 0% |
| Person AE | 0% |
| Person BX | 0% |
| Person CP | 0% |
| Person AJ | 0% |
| Person BL | 0% |
| Person BM | 0% |
| Person W | 0% |
| Person AS | 0% |
| Person BF | 0% |
| Person BN | 0% |
| Person CH | 0% |
| Person CI | 0% |
| Person AV | 0% |
| Person CK | 0% |
| Person AA | 0% |
| Person CL | 0% |
| Person AF | 0% |
| Person AW | 0% |
| Person BC | 0% |
| Person CQ | 0% |
| Person AI | 0% |
| Person BY | 0% |
| Person BD | 0% |
| Person BG | 0% |
| Person BW | 0% |
| Person CA | 0% |
| Person V | 0% |
| Person AR | 0% |
| Person CG | 0% |
| Person R | 0% |
| Person X | 0% |
| Person AT | 0% |
| Person CC | 0% |
| Person Y | 0% |
| Person AU | 0% |
| Person CJ | 0% |
| Person AG | 0% |
| Person CR | 0% |
| Person AH | 0% |
| Person BA | 0% |
| Person BU | 0% |
| Person CS | 0% |
| Person AM | 0% |
| Person AZ | 0% |
| Person BI | 0% |
| Person BT | 0% |
| Person AN | 0% |
| Person AY | 0% |
| Person BS | 0% |
| Person Q | 0% |
| Person BB | 0% |
| Person BK | 0% |
| Person BQ | 0% |
Market context
Democratic Presidential Nominee 2028. The market is currently pricing the outcome at 1% YES, meaning crowd-implied probability sits at that level. Settlement is scheduled for 2028-11-07T00:00:00Z. Unlike a sportsbook, the price you see is set by buyers and sellers competing in a live order book — there is no house edge or bookmaker margin to fade.
World-affairs prediction markets price discrete geopolitical outcomes — ceasefires, treaty signings, leadership transitions — and tend to drift on rumour and snap-correct on official announcements.
Watch for the underlying catalysts that move this category: each official announcement, dataset release, or scheduled milestone generally produces a step change in the implied probability. Trades execute instantly on Polygon, and shares pay $1 each at resolution if your side wins.
Methodology
This page tracks Democratic Presidential Nominee 2028 across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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