Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 3.5 Games | 70% |
| Match Winner | 69% |
| Both Teams Slay a Dragon | 64% |
| Both Teams Slay a Dragon | 64% |
| Both Teams Slay a Dragon | 64% |
| Game 1 Winner | 61% |
| Game 2 Winner | 61% |
| Game 3 Winner | 60% |
| Total Kills Over/Under 30.5 in Game 3? | 59% |
| Total Kills Over/Under 30.5 in Game 1? | 58% |
| Total Kills Over/Under 30.5 in Game 2? | 57% |
| Total Kills Over/Under 30.5 in Game 4? | 56% |
| Any Player Quadra Kill | 54% |
| Both Teams Slay Baron Nashor | 53% |
| Both Teams Slay Baron Nashor | 53% |
| Any Player Quadra Kill | 53% |
| Game Handicap: KT.C (-1.5) vs DN SOOPers Challengers (+1.5) | 52% |
| Both Teams Destroy Inhibitors | 52% |
| Both Teams Destroy Inhibitors | 52% |
| First Blood in Game 1? | 52% |
| First Blood in Game 3? | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Total Kills Over/Under 33.5 in Game 3? | 50% |
| First Blood in Game 2? | 48% |
| Total Kills Over/Under 33.5 in Game 2? | 48% |
| First Blood in Game 4? | 46% |
| Total Kills Over/Under 33.5 in Game 4? | 46% |
| Game 4 Winner | 45% |
| Both Teams Slay a Dragon | 41% |
| Both Teams Slay a Dragon | 41% |
| Total Kills Over/Under 33.5 in Game 1? | 33% |
| O/U 4.5 Games | 31% |
| Any Player Quadra Kill | 29% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Any Player Quadra Kill | 28% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Any Player Quadra Kill | 28% |
| Game Handicap: KT.C (-2.5) vs DN SOOPers Challengers (+2.5) | 27% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 12% |
Market context
Live Polymarket data shows 70% YES probability for LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League Playoffs. This market refers to the LoL Lower bracket semifinal match between KT Rolster Challengers and DN SOOPers Challengers in the LCK Challengers League Playoffs, initially scheduled for September 11, 2026…
Methodology
Sports-specific comparison page for LoL: KT Rolster Challengers vs DN SOOPers Challengers (BO5) - LCK Challengers League Playoffs. 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.
- 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.
- 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.
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