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 |
|---|---|
| Game 1 Winner | 100% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Game Handicap: LLL (-1.5) vs Vivo Keyd Stars (+1.5) | 100% |
| First Blood in Game 2? | 100% |
| Both Teams Slay a Dragon | 90% |
| Total Kills Over/Under 27.5 in Game 2? | 90% |
| Total Kills Over/Under 21.5 in Game 1? | 90% |
| Total Kills Over/Under 24.5 in Game 2? | 90% |
| Total Kills Over/Under 30.5 in Game 2? | 90% |
| Total Kills Over/Under 33.5 in Game 2? | 90% |
| Total Kills Over/Under 36.5 in Game 2? | 90% |
| Total Kills Over/Under 39.5 in Game 2? | 90% |
| Total Kills Over/Under 42.5 in Game 2? | 90% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Slay a Dragon | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
| Total Kills Over/Under 24.5 in Game 1? | 10% |
| Total Kills Over/Under 30.5 in Game 1? | 10% |
| Total Kills Over/Under 27.5 in Game 1? | 9% |
| First Blood in Game 1? | 1% |
| O/U 2.5 Games | 0% |
| Game Handicap: VKS (-1.5) vs LOUD (+1.5) | 0% |
Market context
LOUD and Vivo Keyd Stars meet in a CBLOL regular-season best-of-three, and the market’s 100% crowd lean to LOUD is much stronger than the recent form data alone would justify. BO3.gg’s split-level numbers show LOUD with a long-run edge, including four wins in five head-to-heads in 2026, but also note a choppy six-month stretch and recent inconsistency, which makes a clean sweep less automatic than the price implies.[1][2]
The historical frame is useful because the teams have already traded blows this year: LOUD won series on 7 February, 3 May and 9 May, while Vivo Keyd Stars’ lone 2026 win in the matchup came on 7 June.[1] That kind of back-and-forth usually matters more in a BO3 than a headline win-rate, because it suggests both sides have workable preparation patterns rather than a one-sided stylistic mismatch.[1][12] At the same time, the same source set says LOUD’s recent month improved sharply, which is the main argument for their shorter-series reliability.[1][7]
For traders, the key catalyst is whether either team posts late roster or scheduling updates before the match window closes, since the market can still settle 50-50 if the series is not played, is abandoned, or is pushed beyond the permitted delay.[13] There are no major roster changes or injuries flagged in the available market context, so the live question is form rather than personnel: whether LOUD’s recent uptick holds, and whether Vivo Keyd Stars can repeat the June upset without a material change in draft or preparation.[13][15]
Methodology
Sports-specific comparison page for LoL: LOUD vs Vivo Keyd Stars (BO3) - CBLOL Regular Season. 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.
- 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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