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 |
|---|---|
| Las Vegas Aces | 100% |
| Chicago Sky | 0% |
Market context
The underlying event is a WNBA match on 28 June 2026 at 4:00 PM ET between the Las Vegas Aces and the Chicago Sky, where the market resolves to the winner based on the final score including overtime. The Aces, sitting at 13–5 overall and 10–4 in the Western Conference, face the Sky, who are 6–12 overall and 1–7 in the Eastern Conference, creating a stark disparity in team form that mirrors historical precedents where top-tier squads dominate struggling opponents. In August 2025, the Aces secured a WNBA playoff spot with a 79–74 victory over the Sky, and in a more recent encounter, they defeated the Sky 92–61 to claim their 15th consecutive win, becoming just the fourth team in WNBA history to achieve such a streak[3][5]. These results frame the current 100% YES probability as a logical reflection of the Aces’ sustained dominance and the Sky’s prolonged losing streak, which has seen them drop four straight games[3].
Traders should monitor pre-game announcements regarding key absences, particularly for the Aces’ A’ja Wilson, who recently delivered 31 points, 11 rebounds, and four steals in an 80–66 win over the Sky, and Flau’jae Johnson, who scored 24 points and 11 rebounds in a separate victory[2]. Any injury updates or lineup changes could shift the probability, though the Aces’ 10–4 Western Conference record suggests resilience even without star players[1]. The game is scheduled at the United Center in Chicago, and while the Sky’s home advantage is minimal given their 1–7 Eastern Conference record, weather or travel delays could postpone the match, keeping the market open until completion[8]. Recent beat reports highlight the Aces’ coaching stability under Becky Hammon, contrasting with the Sky’s frequent roster adjustments, which further cements the Aces’ advantage[1]. Traders must watch for official WNBA injury reports released before 3:00 PM ET, as these will confirm whether Wilson or Johnson are available, though the Aces’ 15-game winning streak indicates they can overcome minor setbacks[5]. The settlement window ends on 28 June 2026 at 20:00:00Z, ensuring the market resolves promptly after the game concludes.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $231K.
Methodology
Sports-specific comparison page for Las Vegas Aces vs. Chicago Sky. 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.
- 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.
- 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 Las Vegas Aces vs. Chicago Sky on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →