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 2 Winner | 100% |
| Game 3 Winner | 100% |
| Game 4 Winner | 100% |
| Match Winner | 100% |
| O/U 3.5 Games | 100% |
| Game Handicap: CFO (-1.5) vs Ground Zero Gaming (+1.5) | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| First Blood in Game 1? | 100% |
| Both Teams Slay a Dragon | 55% |
| Both Teams Slay a Dragon | 55% |
| 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 | 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% |
| First Blood in Game 4? | 50% |
| Both Teams Slay Baron Nashor | 45% |
| Both Teams Destroy Inhibitors | 45% |
| Odd/Even Total Kills | 45% |
| Both Teams Slay Baron Nashor | 45% |
| Both Teams Destroy Inhibitors | 45% |
| Odd/Even Total Kills | 45% |
| Any Player Quadra Kill | 1% |
| Any Player Penta Kill | 1% |
| Any Player Quadra Kill | 1% |
| Any Player Penta Kill | 1% |
| First Blood in Game 3? | 1% |
| First Blood in Game 2? | 1% |
| Game 1 Winner | 0% |
| O/U 4.5 Games | 0% |
| Game Handicap: CFO (-2.5) vs Ground Zero Gaming (+2.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
Market context
CTBC Flying Oyster and Ground Zero Gaming are meeting in a best-of-five LCP Group Stage series, with the market pricing heavily against a CFO win despite CFO having generally been viewed as the stronger regional side. The main anchor for that view is recent head-to-head history: Ground Zero beat CFO 3-1 in the LCP 2026 Season Kickoff playoffs, while another mid-season meeting in May went to Ground Zero as well, so the matchup has not been one-way even when CFO entered as the likelier winner. [1][10][14]
For traders, the key is whether CFO can convert its broader pedigree into map control early, because this pairing has already shown that Ground Zero can punish errors in a long series. Public form snapshots have CFO on a mixed run rather than a dominant streak, and Ground Zero has also had uneven results, which helps explain why a 0% YES crowd price can still sit alongside a live possibility of an upset if the underdog arrives with settled drafts and a clean game plan. [4][8] The most relevant catalysts are any late roster or coaching updates, plus confirmation that the series starts on schedule and is played with the expected line-ups, since esports markets can move sharply on substitution news, illness reports or format changes. The current live match feed also suggests the series is underway, so settlement will hinge on a completed winner rather than a scheduling issue if play continues normally. [2]
Methodology
Sports-specific comparison page for LoL: CTBC Flying Oyster vs Ground Zero Gaming (BO5) - LCP Group Stage. 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
- 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.
- 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.
- 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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