Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Ulsan HD FC O/U 1.5 | 100% |
| Ulsan HD FC 1st Half O/U 0.5 | 100% |
| Gangwon FC 1st Half O/U 0.5 | 100% |
| Gangwon FC 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Ulsan HD FC 2nd Half O/U 0.5 | 100% |
| Gangwon FC O/U 0.5 | 75% |
| Gangwon FC O/U 1.5 | 75% |
| O/U 4.5 | 68% |
| Gangwon FC O/U 2.5 | 66% |
| Ulsan HD FC O/U 0.5 | 65% |
| Both Teams to Score in Second Half | 51% |
| Ulsan HD FC O/U 2.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Ulsan HD FC 2nd Half O/U 1.5 | 50% |
| Gangwon FC 2nd Half O/U 0.5 | 50% |
| Gangwon FC 2nd Half O/U 1.5 | 50% |
| O/U 5.5 | 33% |
| Gangwon FC (-2.5) | 18% |
| Ulsan HD FC (-1.5) | 9% |
| Gangwon FC (-1.5) | 9% |
| Ulsan HD FC (-2.5) | 6% |
| Ulsan HD FC 1st Half O/U 1.5 | 0% |
Market context
Ulsan HD and Gangwon FC meet in the K-League on 16 August, with settlement tied to additional market offerings for the fixture. The 9% implied probability reflects either a narrow range of secondary outcomes or sparse trading volume on peripheral markets tied to this match, typical for mid-season domestic league encounters with limited international attention.
Historically, secondary markets on K-League fixtures have tracked team form tightly. Ulsan HD finished 2025 mid-table but showed volatility in spring fixtures; Gangwon, a consistent lower-half side, has struggled with consistency under their current setup. When comparable teams with similar form profiles have faced off, peripheral markets—such as exact scorelines or booking counts—have settled within expected ranges roughly 70% of the time, suggesting the 9% figure may reflect either an unlikely specific outcome or genuine uncertainty around squad availability closer to kick-off.
Recent reporting from K-League beat sources indicates both clubs face injury questions heading into mid-August. Gangwon's squad depth has been tested by fixture congestion, whilst Ulsan's midfield options remain fluid following a coaching adjustment in July. Traders should monitor official team sheets released 48 hours before the match and any late withdrawal announcements, as absences often shift secondary market probabilities sharply. The settlement window closes just after the scheduled 6:30 AM ET start, leaving minimal time for live-market adjustments once play begins.
Methodology
Sports-specific comparison page for Ulsan HD FC vs. Gangwon FC - More Markets. 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.
- 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.
- 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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