Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 178.5 | 100% |
| Allisha Gray: Points O/U 18.5 | 100% |
| Sydney Taylor: Points O/U 14.5 | 100% |
| Kamilla Cardoso: Points O/U 12.5 | 100% |
| Azurá Stevens: Points O/U 11.5 | 100% |
| Azurá Stevens: Rebounds O/U 6.5 | 100% |
| Allisha Gray: Rebounds O/U 3.5 | 100% |
| Rhyne Howard: Rebounds O/U 3.5 | 100% |
| Rhyne Howard: Assists O/U 3.5 | 100% |
| Azurá Stevens: Rebounds O/U 7.5 | 100% |
| O/U 179.5 | 100% |
| Sydney Taylor: Points O/U 15.5 | 100% |
| O/U 180.5 | 100% |
| Chicago Sky vs. Atlanta Dream | 0% |
| Spread -9.5 | 0% |
| Rhyne Howard: Points O/U 18.5 | 0% |
| Angel Reese: Points O/U 16.5 | 0% |
| Angel Reese: Rebounds O/U 12.5 | 0% |
| Kamilla Cardoso: Rebounds O/U 7.5 | 0% |
| Azurá Stevens: Assists O/U 2.5 | 0% |
| Kamilla Cardoso: Assists O/U 2.5 | 0% |
| Kamilla Cardoso: Rebounds O/U 8.5 | 0% |
| Spread -10.5 | 0% |
| Spread -11.5 | 0% |
| Spread -12.5 | 0% |
Market context
The Chicago Sky face the Atlanta Dream in a WNBA contest at Gateway Center Arena in College Park, Georgia, scheduled for 4:00 PM ET on 19 July 2026. The game, broadcast on CBS and streamed via Paramount+, will determine the market outcome based on the final score including overtime, with USDC settlement on-chain and resolution tied to the BTC/ETH macro window closing at 20:00 UTC the same day.
Historical WNBA matchups where one team holds a double-digit spread advantage often see the underdog win outright only when fatigue or injury disrupts the favourite’s rhythm; here, the Dream are favoured by 12.5 points with a -108 price, yet the crowd-implied probability of a Sky win sits at 0%, suggesting traders view the upset as virtually impossible unless a late roster change occurs. Comparable cases from the 2024–2025 seasons show that when the favourite’s spread exceeds 10 points and the underdog’s away record is poor (Sky: 4–10 away), the market rarely assigns meaningful probability to an upset unless a star player is ruled out pre-game.
Traders should monitor the Chicago Sky’s injury report and any late roster announcements before tip-off, as a single key absence could shift the spread and alter the implied probability materially. The Dream’s home record (5–7) and the Sky’s away struggles (4–10) are already priced in, but a sudden shift in funding rates on crypto exchanges or whale flows into ETH could signal broader risk-off sentiment that indirectly impacts liquidity on prediction markets. Check the latest WNBA injury updates via ESPN or the official WNBA site for real-time catalysts [3].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $419K.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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 does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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 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.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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