Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
60% | 40% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
60% | 40% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Caitlin Clark: Rebounds O/U 3.5 | 60% |
| A'ja Wilson: Rebounds O/U 9.5 | 55% |
| Chelsea Gray: Assists O/U 6.5 | 51% |
| Las Vegas Aces vs. Indiana Fever | 50% |
| Spread -1.5 | 49% |
| Caitlin Clark: Assists O/U 8.5 | 49% |
| NaLyssa Smith: Points O/U 11.5 | 49% |
| O/U 192.5 | 48% |
| Jackie Young: Assists O/U 6.5 | 47% |
| Aliyah Boston: Assists O/U 2.5 | 47% |
| NaLyssa Smith: Points O/U 10.5 | 47% |
| Kelsey Mitchell: Points O/U 24.5 | 47% |
| O/U 193.5 | 46% |
| Aliyah Boston: Points O/U 15.5 | 46% |
| Aliyah Boston: Rebounds O/U 8.5 | 46% |
| Kelsey Mitchell: Assists O/U 2.5 | 45% |
| O/U 194.5 | 43% |
| O/U 195.5 | 42% |
| Aliyah Boston: Rebounds O/U 9.5 | 42% |
| A'ja Wilson: Assists O/U 3.5 | 41% |
| Caitlin Clark: Points O/U 21.5 | 39% |
| Aliyah Boston: Assists O/U 3.5 | 39% |
| A'ja Wilson: Rebounds O/U 10.5 | 33% |
| Jackie Young: Rebounds O/U 4.5 | 29% |
| A'ja Wilson: Points O/U 27.5 | 28% |
| Jackie Young: Points O/U 18.5 | 28% |
| Kelsey Mitchell: Points O/U 23.5 | 27% |
| NaLyssa Smith: Rebounds O/U 5.5 | 26% |
| NaLyssa Smith: Points O/U 12.5 | 26% |
| Aliyah Boston: Points O/U 16.5 | 24% |
| Caitlin Clark: Rebounds O/U 4.5 | 24% |
Market context
The Aces-Fever meeting is live on the board, with the market sitting at a flat 50% implied chance, which fits a game that is close to a coin flip on recent form rather than one side being clearly overlaid. Indiana have already beaten Las Vegas twice this season, winning 84-68 on 5 July and 109-75 on 12 July, so the head-to-head has tilted sharply towards the Fever despite the Aces’ stronger overall season profile.[1][14][16]
That mix matters because the standings still point to Las Vegas as the more established side. ESPN’s live game page shows the Aces at 30-14 and Indiana at 24-20 entering this fixture, while the CBS live tracker notes that Indiana had won nine of their last 12 and Las Vegas nine of their last 13 before tip-off.[2][11] In practical market terms, a 50% price is easiest to read as the market balancing the Aces’ broader team strength against Indiana’s recent matchup edge and current momentum.[2][11]
For traders, the key catalysts are the injury and lineup announcements closest to tip-off, plus any late changes to the game’s status, because postponement keeps the market open and a cancellation without a make-up would settle 50-50 under the rules. ESPN’s game listing and CBS Sports’ live tracker are the most relevant near-real-time references for status and score progression, and the result will be decided on the final score including overtime, so late swings in a one-possession game remain decisive until the horn.[2][11]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $118K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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