Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 |
|---|---|
| Minnesota Lynx vs. Washington Mystics | 56% |
| O/U 162.5 | 56% |
| O/U 161.5 | 56% |
| O/U 163.5 | 55% |
| O/U 164.5 | 52% |
| Courtney Williams: Points O/U 11.5 | 50% |
| Natasha Howard: Points O/U 10.5 | 50% |
| O/U 165.5 | 50% |
| Spread -2.5 | 49% |
| Olivia Miles: Points O/U 18.5 | 48% |
| Kayla McBride: Points O/U 15.5 | 48% |
| Courtney Williams: Points O/U 12.5 | 48% |
| O/U 166.5 | 47% |
| Natasha Howard: Points O/U 11.5 | 47% |
| Natasha Howard: Rebounds O/U 7.5 | 47% |
| Courtney Williams: Assists O/U 4.5 | 45% |
| Spread -3.5 | 45% |
| Natasha Howard: Assists O/U 2.5 | 44% |
| Spread -4.5 | 42% |
| Kayla McBride: Points O/U 14.5 | 41% |
| Olivia Miles: Assists O/U 6.5 | 41% |
| Courtney Williams: Assists O/U 3.5 | 41% |
| Natasha Howard: Rebounds O/U 6.5 | 40% |
| Kayla McBride: Assists O/U 1.5 | 40% |
| Courtney Williams: Rebounds O/U 3.5 | 38% |
| Spread -5.5 | 38% |
| Olivia Miles: Rebounds O/U 3.5 | 38% |
| Courtney Williams: Rebounds O/U 4.5 | 37% |
| Spread -6.5 | 34% |
| Shakira Austin: Points O/U 18.5 | 32% |
| Shakira Austin: Assists O/U 2.5 | 32% |
| Natasha Howard: Assists O/U 3.5 | 32% |
| Shakira Austin: Rebounds O/U 10.5 | 31% |
| Kayla McBride: Rebounds O/U 2.5 | 30% |
| Olivia Miles: Rebounds O/U 4.5 | 25% |
| Kayla McBride: Assists O/U 2.5 | 23% |
| Napheesa Collier: Points O/U 18.5 | 1% |
| Napheesa Collier: Rebounds O/U 7.5 | 1% |
| Napheesa Collier: Assists O/U 2.5 | 1% |
| Napheesa Collier: Points O/U 19.5 | 0% |
Market context
Based on real-money crowd forecasting, minnesota lynx vs. washington mystics stands at 56% likelihood according to current market consensus. In the upcoming WNBA game, scheduled for August 21 at 7:30PM ET: If the Minnesota Lynx win, the market will resolve to "Minnesota Lynx". If the Washington Mystics win, the market w…
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $110K.
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.
UK Frequently Asked Questions
- 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.
- 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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