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 |
|---|---|
| 54,000 | 100% |
| 56,000 | 100% |
| 58,000 | 100% |
| 60,000 | 99% |
| 62,000 | 98% |
| 64,000 | 83% |
| 66,000 | 21% |
| 68,000 | 1% |
| 70,000 | 0% |
| 72,000 | 0% |
| 74,000 | 0% |
Market context
Bitcoin is trading at a level where the Binance 1-minute noon candle on 11 August will be driven more by short-term liquidity and event risk than by broad long-term valuation arguments. With the market already pricing a **100% Yes** outcome, the useful question is whether that confidence is justified by the current spot regime rather than whether Bitcoin is “cheap” or “expensive” in the abstract.
Comparable August forecasts have been mixed but generally clustered well below the kind of extreme level implied by a guaranteed win. CoinCodex’s August 2026 outlook puts BTC around **$67,677** on 11 August, Changelly’s daily estimate is **$67,271.37**, and other forecast models place the date in the mid-$60,000s, while a separate set of predictions sketches a much wider band stretching into the high-$70,000s or low-$80,000s.[2][3][4] That spread matters because a 100% market price usually reflects either a stale price anchor or a very high conviction that the reference candle will clear the threshold by a large margin.
The main catalysts to watch are macro prints, ETF flow data, and any sharp move in broader risk assets before the New York noon cut-off. One recent forecast specifically tied August trading to post-Fed positioning, hawkish repricing, and ETF flow watching, while another highlighted that traders are likely to stay sensitive to inflation data and any shift in September rate expectations.[4][7] For a Binance-settlement market, the key dependency is not the global headline price at some point during the day, but the exact BTC/USDT 12:00 ET 1-minute close, which can diverge briefly from other exchanges during fast moves.
Methodology
Sports-specific comparison page for Bitcoin above … on August 11?. 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%.
Trade Bitcoin above … on August 11? on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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