Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 65,000 | 100% |
| ↓ 64,000 | 16% |
| ↑ 66,000 | 14% |
| ↑ 67,000 | 2% |
| ↑ 70,000 | 1% |
| ↑ 69,000 | 1% |
| ↑ 68,000 | 1% |
| ↓ 63,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin is trading in a market where the question is not whether it can move, but whether it can reach the specific band set by this contract before the settlement cut-off. On Polymarket, the leading outcome is the 64,000–66,000 range at 88%, with 66,000–68,000 next at 9%, which implies a very concentrated view around the mid-60s rather than a broad breakout scenario[9]. By contrast, sportsbook-style forecast pages are more dispersed: CoinCodex has Bitcoin at about $65,614 for 10 August, CoinCheckup shows $65,839, MEXC lists $65,266.77, and Changelly’s August floor is $65,219.96[2][10][5][4].
That split matters because it shows a consensus around the current spot area, but less agreement on whether Bitcoin will push cleanly into a higher bracket by the settlement window. Broader analyst-style forecasts are mixed too: crypto.news projects a 2026 base case near $76,921.84 with a range from $65,383.56 to $92,306.21, while 247WallSt frames August as likely to stay between $60,000 and $65,500, with upside to $68,000–$70,000 only if macro data and rates expectations turn supportive[1][14]. In other words, the prediction market is pricing a tighter, more immediate range than the longer-horizon analyst calls.
Traders will be watching the next macro print and any shift in Federal Reserve expectations, because BTC has been reacting to the same risk-asset drivers as equities and other high-beta assets[14]. A higher-than-expected inflation reading would tend to support the lower end of the current range, while a softer print could help Bitcoin challenge the upper brackets on Robinhood and Polymarket[3][14]. With settlement ending on 11 August 2026 at 04:00 UTC, only price action before that timestamp matters, so late-session volatility and any weekend liquidity effects are directly relevant to the contract[3].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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