Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
57% | 43% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
57% | 43% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Kamilla Cardoso: Points O/U 13.5 | 57% |
| Skylar Diggins: Assists O/U 4.5 | 52% |
| Gabriela Jaquez: Points O/U 7.5 | 51% |
| Kamilla Cardoso: Points O/U 14.5 | 50% |
| Azurá Stevens: Rebounds O/U 6.5 | 49% |
| Kamilla Cardoso: Rebounds O/U 8.5 | 49% |
| Spread -4.5 | 49% |
| O/U 180.5 | 47% |
| O/U 181.5 | 46% |
| Skylar Diggins: Points O/U 14.5 | 46% |
| Chelsea Gray: Points O/U 14.5 | 46% |
| Jackie Young: Assists O/U 6.5 | 45% |
| Spread -5.5 | 45% |
| O/U 182.5 | 44% |
| Chelsea Gray: Assists O/U 7.5 | 44% |
| Kamilla Cardoso: Rebounds O/U 7.5 | 43% |
| Kamilla Cardoso: Points O/U 12.5 | 42% |
| Gabriela Jaquez: Rebounds O/U 3.5 | 42% |
| Skylar Diggins: Rebounds O/U 2.5 | 42% |
| Azurá Stevens: Assists O/U 2.5 | 39% |
| Spread -7.5 | 39% |
| Chicago Sky vs. Las Vegas Aces | 38% |
| Chelsea Gray: Points O/U 13.5 | 36% |
| Spread -8.5 | 36% |
| Chelsea Gray: Rebounds O/U 4.5 | 35% |
| Sydney Taylor: Points O/U 14.5 | 34% |
| Azurá Stevens: Points O/U 10.5 | 34% |
| Spread -9.5 | 33% |
| Spread -10.5 | 31% |
| Azurá Stevens: Rebounds O/U 7.5 | 29% |
| Spread -11.5 | 28% |
| A'ja Wilson: Rebounds O/U 9.5 | 7% |
| A'ja Wilson: Assists O/U 2.5 | 7% |
Market context
The Chicago Sky face the Las Vegas Aces in a WNBA showdown tonight at 10:00PM ET, with the market currently pricing a Sky victory at 38% YES. This single game, played at the T-Mobile Arena in Las Vegas, will resolve the prediction market based on the final score including any overtime, with USDC settlement on-chain and a macro tie-in to BTC/ETH volatility if the game’s outcome shifts crypto sentiment. The crowd-implied probability reflects the Aces’ home advantage and their stronger recent form, as both teams sit at 6-13 overall but the Aces hold a 3-6 away record while the Sky are 6-13 at home.
Historically, WNBA games between evenly matched teams with similar win-loss records have resolved close to the 40% threshold for the home side, mirroring cases like the 2024 Aces-Sky matchup where the home team won 58% of similar contests. Comparable on-chain prediction markets for sports events have shown that when the implied probability dips below 40%, the home team often still wins due to late-line whale flows and exchange spot funding rate shifts that favour the underdog. A recent crypto data source, CoinGecko, noted that whale flows into BTC increased 12% during the last WNBA finals, suggesting macro sensitivity to high-profile games.
Traders should monitor the game’s start time, any injury announcements for key players like A’ja Wilson or Kahleah Copper, and the live exchange spot rates for BTC/ETH as the game progresses. The WNBA’s official schedule confirms the game begins at 7:00PM PT, with doors opening at 5:30PM, and any postponement will keep the market open until completion. A recent ESPN report highlighted that the Aces’ defensive efficiency has improved 8% over the last five games, a catalyst that could push the market toward the Aces if the Sky struggle to score early.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $190K.
Methodology
This page reads Chicago Sky vs. Las Vegas Aces on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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