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Florida Governor Republican Primary Winner

How the prediction market is pricing "Florida Governor Republican Primary Winner" right now — Polymarket mid plus comparison with Betfair and Manifold.

Byron Donalds 97% James Fishback 1% Jay Collins 1% Wilton Simpson 0% Volume: $2.3M Liquidity: $425K Closes: 18 Aug 2026
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Florida Governor Republican Primary Winner

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Champions League Prediction) Pick
polygram.ink (preferred broker)
97% 3% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
97% 3% 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.

OutcomeProbability
Byron Donalds97%
James Fishback1%
Jay Collins1%
Wilton Simpson0%
Casey DeSantis0%
Jimmy Patronis0%
Matt Gaetz0%
Candidate A0%
Candidate B0%
Candidate C0%
Candidate D0%
Candidate E0%
Candidate F0%
Candidate G0%
Candidate H0%
Candidate I0%
Candidate J0%
Candidate K0%
Candidate L0%
Candidate M0%
Candidate N0%
Candidate O0%
Other0%

Market context

Florida’s Republican governor primary is shaping up as a one-name race, with Byron Donalds entering August on overwhelming favourite status. Trump’s endorsement has been the central organising fact of the contest, and recent polling has had Donalds in the mid-to-high 40s while the nearest rivals, Jay Collins and James Fishback, sit in low single digits, with a large undecided bloc still leaving scope for movement but little sign of a consolidation breakaway. That is why a 98% crowd-implied probability is broadly consistent with the race structure rather than just one survey snapshot.[1][6][14][18]

The main historical read-through is that open-seat primaries in Florida can move quickly once the party’s preferred candidate locks up money, endorsements and public attention, but the market is already pricing in that pattern very heavily. In comparable contests, the decisive signal has usually been whether late-breaking rivals can convert dissatisfaction into one-on-one headroom; here, the polling and fundraising gap has been wide enough that Donalds is closer to a presumptive nominee than a live target. The only meaningful path away from that baseline is a late collapse in confidence or a credible consolidation around another name, neither of which is visible in the current reporting.[1][3][6][18]

For traders, the key catalysts are any final campaign filings, debate appearances, and whether opponents stay on the ballot through early voting and vote-by-mail deadlines. Florida’s primary is scheduled for 18 August, with vote-by-mail request and early-voting dates already in motion, so turnout and visibility news could still matter at the margins.[2][12][16] The most relevant fresh indicators will be any last-week polls, candidate withdrawals, or official announcements from the Florida Republican Party, because those are the kinds of developments that could either confirm Donalds’ lock on the nomination or, in an unlikely scenario, reopen the race before results are certified.[1][18][19]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-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 (US-focused) or Manifold (play-money).

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.
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.
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.
How fast do sports winnings settle?
Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
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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