Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
64% | 36% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 68,000-70,000 | 64% |
| 70,000-72,000 | 17% |
| 66,000-68,000 | 16% |
| >72,000 | 3% |
| 64,000-66,000 | 2% |
| <54,000 | 0% |
| 54,000-56,000 | 0% |
| 56,000-58,000 | 0% |
| 58,000-60,000 | 0% |
| 60,000-62,000 | 0% |
| 62,000-64,000 | 0% |
Market context
Bitcoin's spot price at noon ET on 20 August 2026 will be determined by the closing price of the 1-minute BTC/USDT candle on Binance at that exact timestamp. The market resolves to "No" if data is unavailable, making data integrity and exchange uptime material considerations for anyone building conditional orders or monitoring bots around this settlement window. For traders using programmatic approaches, the Binance API's klines endpoint with 1m interval and the specific timestamp (1724162400 Unix) provides the canonical reference point; any discrepancy between spot price feeds requires reconciliation before execution.
Historical Bitcoin price ranges over comparable 18-month forward windows show volatility clustering around macroeconomic events and regulatory announcements. The 0% crowd probability suggests either extreme uncertainty about the specific price bracket or insufficient liquidity to establish meaningful odds. August 2026 sits beyond most institutional guidance cycles, though second-half positioning typically responds to Q2 earnings revisions and central bank communications released in July. Traders should monitor Federal Reserve meeting schedules (the July FOMC decision will influence August sentiment), spot ETF flows reported weekly, and any cryptocurrency regulatory developments from the SEC or international bodies that could shift medium-term positioning.
Programmatically, this market rewards precise data sourcing and timezone handling. Building a bot to capture the exact noon ET candle close requires accounting for daylight saving time rules (ET will be EDT in August) and Binance server time synchronisation. The "higher bracket on exact midpoint" rule means settlement logic must handle boundary conditions carefully; automated systems should test against historical candle data to verify their timestamp interpretation matches Binance's actual close times.
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 Review UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 price on August 20? on Polymarket Review UK
Live order book, 0% fees, USDC settlement in seconds.
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