Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ 64,000 | 100% |
| ↑ 65,000 | 25% |
| ↓ 63,000 | 23% |
| ↑ 66,000 | 4% |
| ↓ 62,000 | 3% |
| ↑ 69,000 | 1% |
| ↑ 68,000 | 1% |
| ↑ 67,000 | 1% |
| ↓ 61,000 | 1% |
| ↓ 60,000 | 1% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
| ↓ 56,000 | 0% |
Market context
Bitcoin's price action on 12 August 2026 will be determined by spot and futures markets across major exchanges—Coinbase, Kraken, Bitstamp and others—with settlement likely referencing a time-weighted average or closing price at a specified UTC hour. A trader automating exposure to this outcome would typically construct conditional orders tied to price feeds from multiple sources, since single-exchange data introduces slippage risk. For those running copy-trading or bot strategies, the critical variable is defining which price source the market operator will use at settlement; ambiguity here creates basis risk that algorithms must hedge separately.
Historical Bitcoin price movements show that single-day targets rarely settle at exactly zero probability unless the price range is extraordinarily narrow or the settlement window is already closed. The 0% crowd probability here suggests either the specified price level is far outside consensus forecasts for that date, or traders have not yet engaged with the market in volume. Comparable markets on major price milestones—such as "Will Bitcoin exceed $100,000 by end of 2025?"—typically show non-zero probability even when outcomes appear unlikely, because tail-risk scenarios and volatility clustering remain priced in.
Traders should monitor macroeconomic calendars for August 2026, particularly US inflation data and Federal Reserve communications, which historically correlate with crypto volatility. Regulatory announcements from the SEC or CFTC regarding spot Bitcoin ETFs or derivatives rules could also shift intraday ranges materially. For programmatic traders, setting alerts on implied volatility indices and funding rates across perpetual futures markets will signal whether market-makers expect elevated price swings on that specific date.
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 Polymarket Bot UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Polymarket Bot 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.
- 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 What price will Bitcoin hit on August 12? on Polymarket Bot UK
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