Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
97% | 3% | 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 |
|---|---|
| Byron Donalds | 97% |
| James Fishback | 1% |
| Jay Collins | 1% |
| Wilton Simpson | 0% |
| Casey DeSantis | 0% |
| Jimmy Patronis | 0% |
| Matt Gaetz | 0% |
| Candidate A | 0% |
| Candidate B | 0% |
| Candidate C | 0% |
| Candidate D | 0% |
| Candidate E | 0% |
| Candidate F | 0% |
| Candidate G | 0% |
| Candidate H | 0% |
| Candidate I | 0% |
| Candidate J | 0% |
| Candidate K | 0% |
| Candidate L | 0% |
| Candidate M | 0% |
| Candidate N | 0% |
| Candidate O | 0% |
| Other | 0% |
Market context
Florida’s Republican nomination for governor is the open-seat contest to replace term-limited Ron DeSantis, with the primary set for 18 August 2026 and the winner advancing to the November general election.[1][14] The market’s 97% implied probability lines up with the race’s current shape: Byron Donalds has built a clear lead in public polling and has consolidated the most important early signal, Donald Trump’s endorsement.[2][7][9] Recent survey data have shown Donalds well ahead of the rest of the field, while rivals such as Jay Collins, James Fishback and Paul Renner have generally remained in single digits.[1][7][8]
Historically, open statewide primaries in Florida can move if the frontrunner is denied party unity or the field narrows late, but the current evidence points the other way. Donalds’ lead has been reinforced by both polling and reporting on the ground, including coverage from the Tallahassee Democrat noting that he is the clear favourite and that party voters appear headed towards a landslide-style result.[9] A recent Emerson survey also put him on 46% with a large undecided bloc, which matters more in a crowded field than in a two-candidate race.[7] In practical terms, the main comparable case for traders is not a tight primary but an open-seat contest where one candidate quickly becomes the accepted nominee-in-waiting.
The catalysts to watch are the final official candidate list, any late withdrawal or consolidation, and the Florida Republican Party’s first results announcement on primary night.[14][19] Debate coverage and final campaigning still matter at the margin, and recent reporting noted a Fox News Republican debate in Tampa before the primary, but nothing in the current polling suggests a late reset unless there is a major scandal, health issue or turnout shock.[3][2][9] Because the market resolves to the party’s official winner, credible election-night reporting should matter most if there is any procedural delay in certification.[1]
Methodology
Sports-specific comparison page for Florida Governor Republican Primary Winner. 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
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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