Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ↑ 65,000 | 100% |
| ↑ 66,000 | 10% |
| ↓ 64,000 | 5% |
| ↑ 68,000 | 1% |
| ↑ 67,000 | 1% |
| ↓ 63,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin is trading into the August 9 close with the market already leaning to the upside: several short-term forecasts cluster around the mid-$60,000s, while crowd pricing on prediction venues has recently pointed to a sizeable chance of BTC finishing the week above that area rather than making a sharp late-session break lower.[2][6][10][11] That matters for this market because the settlement is tied to a specific intraday window, so the read is less about where Bitcoin has traded this month and more about whether it can hold into the final hours of the UTC session.[1][14]
For historical framing, comparable forecast models have tended to call for modest gains rather than explosive moves, with one weekly model expecting a close above $60,391.50 and citing a 90% historical confirmation rate for that signal.[1] Other August 2026 price models place Bitcoin anywhere from roughly $65,000 to the low $70,000s, which suggests the current zero-per-cent implied chance on the market may reflect a very specific threshold rather than a broad view on direction.[3][4][7][18] In other words, the probability is low only if the event requires an unusually exact print; if the payout is for clearing a nearby band, the wider forecast range argues against treating the market as an outlier.[2][8][11]
The key catalysts are the usual late-session drivers: US macro data, shifts in rate expectations, and any abrupt change in broader risk sentiment, with one recent note flagging August inflation prints and Jackson Hole as the main macro dependencies for Bitcoin’s August path.[15] Traders should also watch for any weekend liquidity thinness, because the market can move sharply when order books are shallow and the close is near.[15] If spot weakens, the downside is likely to be led by a failure to hold the near-term support band that several forecast providers have clustered around in the mid-$60,000s.[2][4][8]
Methodology
Sports-specific comparison page for What price will Bitcoin hit on August 9?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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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