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 |
|---|---|
| Completed Match | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 2 O/U 8.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 2 Winner | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 1 O/U 8.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Match O/U 21.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Total Sets: O/U 2.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Match O/U 22.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 1 O/U 9.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Match O/U 23.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 1 O/U 10.5 | 100% |
| Lexington: Rei Sakamoto vs Edas Butvilas | 0% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set Handicap +/-1.5 | 0% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 1 Winner | 0% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 2 O/U 9.5 | 0% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set Handicap +/-1.5 | 0% |
| Lexington: Rei Sakamoto vs Edas Butvilas Set 2 O/U 10.5 | 0% |
Market context
Rei Sakamoto and Edas Butvilas are due to meet in the Lexington Challenger quarter-finals, a hard-court match listed for Stadium 2 on 7 August 2026. The market’s current 0% crowd-implied probability for YES sits against bookmaker prices that are much closer, with several markets pricing Sakamoto only marginally ahead or close to pick’em, which suggests the crowd number is not aligned with the pre-match tennis market. [1][12][13][14]
The historical frame is straightforward: Sakamoto is the higher-ranked player, around ATP 165 to Butvilas’ 268, and the pair have a prior head-to-head that favours Butvilas 1-0, although Tennis Tonic notes they had not met on hard courts before this Lexington match. Recent-form snapshots also lean towards a competitive contest rather than a mismatch, with both players carrying mixed last-10 records and Butvilas arriving off a straight-sets win over Baris in the previous round. [1][5][8][9][12]
For traders, the main catalysts are whether the quarter-final is actually completed inside the settlement window and whether any late schedule disruption pushes it past the seven-day threshold, in which case the market resolves 50-50. The match is already staged for 16:00 local time, so live status, walkover risk, court scheduling, and any official tournament delays matter more than pre-match narrative; a final update on the draw sheet or match centre would be the cleanest confirmation if there is any weather or backlog issue. [1][2][10][14]
Methodology
Sports-specific comparison page for Lexington: Rei Sakamoto vs Edas Butvilas. 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.
Trade Lexington: Rei Sakamoto vs Edas Butvilas on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →