Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Champions League Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 |
|---|---|
| Crowley wins | 99% |
| Other | 50% |
| Hong 30%+ | 1% |
| Hong 25–30% | 0% |
| Hong 20–25% | 0% |
| Hong 15–20% | 0% |
| Hong 10–15% | 0% |
| Hong 5–10% | 0% |
| Hong <5% | 0% |
| Barnes wins | 0% |
Market context
Wisconsin's Democratic primary for governor takes place on 11 August 2026, with the winner determined by the margin separating the top two finishers. The current 1% probability reflects expectations of a competitive race rather than a decisive outcome. Governor Tony Evers, the incumbent Democrat, has not yet formally declared his candidacy for re-election, creating substantial uncertainty about the primary field's composition and dynamics. Should Evers run, historical precedent suggests primary margins tend toward single digits when an incumbent faces challengers; should he decline, a wide-open field typically produces larger spreads as candidates consolidate support unevenly across regions.
Wisconsin's 2022 gubernatorial general election saw Evers defeat Republican Tim Michels by 3.3 percentage points, a relatively tight result that signals the state's competitive nature. Democratic primary margins in comparable Midwestern states over the past decade have ranged from 2% to 18%, depending on field size and candidate profile. The 2018 Wisconsin Democratic gubernatorial primary, before Evers' general election victory, produced a 13-point margin between first and second place, though that reflected a smaller candidate pool than may emerge in 2026.
Key catalysts include Evers' formal announcement regarding his candidacy, expected before spring 2026, and any major endorsements from state party figures or labour unions that could consolidate support. Traders should monitor whether additional credible candidates enter the race and their regional bases of support—particularly strength in Milwaukee, Madison, and rural areas. Campaign finance disclosures and polling data released closer to the August primary date will provide concrete indicators of frontrunner separation.
Methodology
Football-specific comparison page for Wisconsin Governor Democratic Primary Margin of Victory. 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.
UK Frequently Asked Questions
- 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.
- 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.
- 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 trade Premier League prediction markets from the UK?
- Yes. Polymarket has Premier League outcome markets (title winner, relegation, top scorer). For UK traders wanting GBP settlement and UKGC protection, Betfair Exchange and Smarkets offer Premier League futures and match markets. Betfair is the deepest liquidity venue for UK football exchange markets.
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