Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
65% | 35% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
65% | 35% | 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 |
|---|---|
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 65% |
| Match Winner | 63% |
| Game 1 Winner | 59% |
| Game 2 Winner | 57% |
| Any Player Penta Kill | 55% |
| Both Teams Slay Baron Nashor | 53% |
| Any Player Quadra Kill | 53% |
| Both Teams Destroy Inhibitors | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| Total Kills Over/Under 30.5 in Game 1? | 50% |
| Total Kills Over/Under 30.5 in Game 2? | 50% |
| First Blood in Game 1? | 49% |
| O/U 2.5 Games | 48% |
| Both Teams Slay a Dragon | 41% |
| Game Handicap: DK (-1.5) vs KT Rolster (+1.5) | 34% |
| 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% |
| Any Player Penta Kill | 25% |
| Any Player Penta Kill | 25% |
Market context
Dplus KIA face KT Rolster in a best-of-three with the market leaning slightly towards Dplus at 59% YES, but recent head-to-heads suggest a much narrower gap than that alone implies. KT won the latest meeting this season 2-0, and broader matchup data still favours Dplus only marginally: Dplus lead the all-time series 17-12, with a 40-34 map edge, while the past year’s set is essentially even on series and slightly KT-favoured on maps.[6][9][13]
That makes the current price look less like a clear form read and more like a judgement on which side is more reliable across three games. Dplus have shown enough ceiling to compete with the top of the table, but KT’s recent results have been stronger in the current LCK phase, including wins over elite opposition that kept them in the race for first place.[15] The main historical frame is that this pairing often swings on map-one tempo and late-game execution rather than raw name value, which is why even one-sided series can mask a fairly balanced matchup underneath.[6][11][13]
For traders, the key catalysts are roster confirmation, match-day starting line-ups, and whether either team arrives with any player-management changes after the regular-season run-in. The fixture is listed for 9 August at 4:00 AM ET, so any official schedule adjustment, broadcast delay, or substitution announcement before then matters because a cancellation or delay beyond seven days would push settlement to 50-50 under the market rules.[1] If both teams field their expected starters, KT’s recent momentum and Dplus’s stronger long-run head-to-head record are the two facts most likely to keep the market close rather than decisive.[6][15]
Methodology
Sports-specific comparison page for LoL: Dplus KIA vs KT Rolster (BO3) - LCK Round 3-4 Legend Group. 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.
- 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 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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