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 |
|---|---|
| Las Vegas Aces vs. Toronto Tempo | 100% |
| Spread -10.5 | 100% |
| O/U 181.5 | 100% |
| Jackie Young: Points O/U 16.5 | 100% |
| Chelsea Gray: Points O/U 11.5 | 100% |
| NaLyssa Smith: Points O/U 11.5 | 100% |
| Isabelle Harrison: Points O/U 10.5 | 100% |
| Isabelle Harrison: Rebounds O/U 5.5 | 100% |
| Jackie Young: Rebounds O/U 3.5 | 100% |
| Chelsea Gray: Rebounds O/U 3.5 | 100% |
| Chelsea Gray: Assists O/U 6.5 | 100% |
| Jackie Young: Assists O/U 5.5 | 100% |
| Marina Mabrey: Assists O/U 3.5 | 100% |
| A'ja Wilson: Assists O/U 2.5 | 100% |
| Isabelle Harrison: Points O/U 11.5 | 100% |
| Spread -11.5 | 100% |
| O/U 182.5 | 100% |
| Jackie Young: Assists O/U 6.5 | 100% |
| O/U 183.5 | 100% |
| O/U 180.5 | 100% |
| Isabelle Harrison: Points O/U 12.5 | 100% |
| A'ja Wilson: Points O/U 26.5 | 0% |
| Marina Mabrey: Points O/U 21.5 | 0% |
| A'ja Wilson: Rebounds O/U 10.5 | 0% |
| NaLyssa Smith: Rebounds O/U 5.5 | 0% |
| Marina Mabrey: Rebounds O/U 3.5 | 0% |
| Julie Allemand: Assists O/U 6.5 | 0% |
| Chelsea Gray: Assists O/U 7.5 | 0% |
| Marina Mabrey: Points O/U 22.5 | 0% |
| Marina Mabrey: Points O/U 23.5 | 0% |
Market context
The Las Vegas Aces are set to face the Toronto Tempo in a WNBA matchup scheduled for 20 July at 8:00 PM ET, with the Aces currently holding a 100% implied chance of victory according to crowd pricing. This game will determine the market resolution, settling to either team name based on the final score including overtime, while USDC will be used for on-chain settlement once the outcome is confirmed.
Historically, WNBA markets with 100% crowd-implied probability for a single team have almost always resolved in favour of that side, barring rare cancellations or extreme weather disruptions that force a 50-50 split. Comparable cases from the 2024 and 2025 WNBA seasons show that when one team dominates pre-game odds, the on-chain contract typically mirrors the exchange spot with minimal deviation, as whale flows rarely bet against such certainty unless insider information suggests a roster change or injury.
Traders should monitor the WNBA’s official injury report and any pre-game lineup announcements released before 7:00 PM ET, as a sudden absence of a key Aces player could shift the probability. Additionally, watch for BTC and ETH macro movements, since sharp volatility in crypto markets can influence liquidity on prediction platforms like btc-prediction.bet, potentially affecting funding rates and the speed of USDC settlement. Recent coverage from ESPN highlights the Aces’ strong form ahead of this fixture, reinforcing the current pricing [1].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $228K.
Methodology
This page reads Las Vegas Aces vs. Toronto Tempo 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
- 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.
- 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.
- 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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