Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ↑ 64,000 | 100% |
| ↑ 65,000 | 24% |
| ↓ 63,000 | 19% |
| ↓ 62,000 | 3% |
| ↑ 66,000 | 2% |
| ↑ 68,000 | 1% |
| ↑ 67,000 | 1% |
| ↓ 61,000 | 1% |
| ↓ 60,000 | 1% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
| ↓ 56,000 | 0% |
Market context
Bitcoin's price action on a specific calendar date—in this case, 12 August 2026—depends on intraday volatility, spot and futures market dynamics, and whether any significant event or announcement coincides with that window. The settlement occurs the following day, meaning traders must account for overnight gaps and early-morning trading behaviour across Asian, European, and North American sessions. For algorithmic traders, this requires conditional order logic that captures price discovery across multiple venues (spot exchanges, perpetual futures, options markets) and accounts for slippage in execution.
Historical precedent suggests that single-day price targets without a named catalyst carry low conviction. Bitcoin has experienced intraday swings exceeding 5–10% on routine trading days, but reaching a specific price level requires either scheduled news (Federal Reserve decisions, major regulatory announcements, or corporate earnings that shift macro sentiment) or exogenous shocks. The 0% crowd probability reflects the absence of a defined trigger; markets typically assign meaningful odds only when there is a concrete event or technical level with historical relevance. Comparable single-date markets on other assets show similar patterns—specificity without catalyst tends toward low-probability pricing.
Traders monitoring this market should track the macroeconomic calendar for late July and early August 2026, particularly US inflation data, employment figures, and central bank communications. Bitcoin's correlation with equity indices and real yields remains a primary driver. Copy-trading bots and conditional order systems would benefit from setting alerts on volatility indices (VIX, BVIX) and monitoring order-book depth on major exchanges to gauge whether unusual accumulation or distribution occurs ahead of the settlement window.
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
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
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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 Review UK
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