Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات المونديال) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Ed Case | 100% |
| Jennifer Booker | 0% |
| Ben Fatula | 0% |
| Jarrett Keohokalole | 0% |
| Nicholas Kiswanto | 0% |
| Candidate A | 0% |
| Candidate B | 0% |
| Candidate C | 0% |
| Candidate D | 0% |
| Candidate E | 0% |
| Candidate F | 0% |
| Other | 0% |
Market context
The Democratic nominee for Hawaii’s 1st congressional district has already been decided at the ballot box, and the market’s 0% implied probability for a fresh YES outcome sits against a result-heavy race rather than an open contest. Officially published and live-election reporting show Ed Case ahead in the Democratic primary, with the New York Times listing him on 60% to Jarrett Keohokalole’s 36% once 84% of votes were reported, while other trackers and pre-election pages framed Case as the incumbent and favourite throughout the cycle.[8][12]
That context matters because HI-01 has not behaved like a volatile open seat: the field was small, the race was anchored by an incumbent, and the late-stage dynamics centred on whether Keohokalole could narrow the gap rather than on a late entrant or endorsement shock.[1][3][10] Comparable prior primaries in the district have also tended to reward the better-known Democrat, with Case winning the 2024 primary comfortably, which makes a post-result reversal or alternative interpretation difficult to justify on the available evidence.[12]
For traders, the key catalysts were always the ballot count, any official Democratic certification, and whether candidate filing or withdrawal notices changed the final nominee slate before the market’s settlement window closed.[1][7][9] The market description also says the resolution source is a consensus of official Democrat sources, so the relevant check is not campaign spin but formal party confirmation if any naming dispute were to arise.[3]
Methodology
Football-specific comparison page for توقع: HI-01 Democratic 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.
- 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.
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