Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 |
|---|---|
| 52,000 | 100% |
| 54,000 | 100% |
| 56,000 | 100% |
| 58,000 | 100% |
| 60,000 | 100% |
| 62,000 | 99% |
| 64,000 | 67% |
| 66,000 | 2% |
| 68,000 | 0% |
| 70,000 | 0% |
| 72,000 | 0% |
Market context
Polymarket is pricing this BTC/USDT noon-ET Binance candle at a **100% Yes** outcome, so the contract is effectively trading as if the August 7 check will finish above the strike. On Polymarket, buyers lock in **USDC** on **Polygon**, with the outcome represented through conditional tokens that settle to the Binance 1-minute candle close at 12:00 ET rather than a spot average across exchanges.
That extreme pricing sits in sharp contrast to the wider range of public forecasts for August 2026. Some market commentary puts Bitcoin’s August path in the low-to-mid $60,000s, with forecasts ranging from roughly $58,000 to $70,000 and more bullish models extending higher, while Binance’s own aggregated forecast page cites a much broader August band and average. Comparable prediction markets are also clustering around the low $60,000s rather than assuming a one-way move, which makes a 100% implied probability look detached from the broader distribution of views.
For traders watching the noon ET print, the main catalysts are not just price action but the schedule around macro data and policy-sensitive flows. Recent coverage points to August inflation data, shifting Fed expectations, ETF inflows, and late-summer liquidity as the main dependencies for Bitcoin’s short-term direction, while crypto commentary also flags US legislative timing around the CLARITY Act before the August 8 recess. In practice, that means the contract can still be sensitive to a single sharp move into the noon ET window, even if the broader trend remains rangebound.
Methodology
We track Bitcoin above … on August 7? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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 Kalshi 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 above … on August 7? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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