Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
21% | 79% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
21% | 79% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| JD Vance | 21% |
| Marco Rubio | 12% |
| Gavin Newsom | 10% |
| Alexandria Ocasio-Cortez | 10% |
| Jon Ossoff | 10% |
| Kamala Harris | 5% |
| Josh Shapiro | 3% |
| Pete Buttigieg | 2% |
| Donald Trump | 2% |
| Ron DeSantis | 2% |
| Dwayne 'The Rock' Johnson | 2% |
| Tucker Carlson | 2% |
| Thomas Massie | 2% |
| Wes Moore | 1% |
| Gretchen Whitmer | 1% |
| Andy Beshear | 1% |
| Glenn Youngkin | 1% |
| Donald Trump Jr. | 1% |
| Nikki Haley | 1% |
| Greg Abbott | 1% |
| Elon Musk | 1% |
| Ivanka Trump | 1% |
| Michelle Obama | 1% |
| Jamie Dimon | 1% |
| Ro Khanna | 1% |
| Stephen Smith | 0% |
| JB Pritzker | 0% |
| Tulsi Gabbard | 0% |
| Tim Walz | 0% |
| Vivek Ramaswamy | 0% |
| LeBron James | 0% |
| Kim Kardashian | 0% |
| Zohran Mamdani | 0% |
| James Talarico | 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
The 2028 United States presidential election is still an open field, and the current 21% crowd-implied probability reflects that no major-party nominee has formally emerged yet. Ballotpedia’s candidate list already includes a wide range of plausible Democrats and Republicans, while other trackers say the race remains fragmented more than two years before the primaries, with early attention on figures such as J.D. Vance, Marco Rubio, Gavin Newsom and other governors, senators and former cabinet officials.[1][4][13]
For traders, the main read-through is that the market is being priced off *possibility* rather than completed team form: the next shifts are likely to come from announcement timing, fundraising, debate positioning and whether high-profile names actually enter or skip the race. FEC data shows the filing season is still shallow, and the candidate pool is moving from speculative to active very slowly, which tends to keep probabilities dispersed until the nomination contests begin to clarify the field.[3][6] Recent coverage has also pointed to Democrats weighing a broad bench rather than a single front-runner, with POLITICO describing an early contest that is already taking shape but still far from settled.[12][16]
Comparables from recent presidential cycles suggest that early implied odds can stay low for a long time when no incumbent is on the ballot and both parties have multiple credible contenders. That means the market will probably react more to hard signals — a formal campaign launch, a vice-presidential pick in 2028, major endorsements, health or legal developments, and the eventual AP/Fox/NBC calls — than to routine polling noise this far out.[1][6][9]
Methodology
Sports-specific comparison page for Presidential Election Winner 2028. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Trade Presidential Election Winner 2028 on March Madness Predictions
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