Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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 |
|---|---|
| ↑ 65,000 | 100% |
| ↑ 66,000 | 10% |
| ↓ 64,000 | 5% |
| ↑ 68,000 | 1% |
| ↑ 67,000 | 1% |
| ↓ 63,000 | 1% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin needs to reach a specific price level on 9 August, and the market is pricing that as a **0% YES** proposition, so the favourite is effectively the “no hit” side unless there is a sharp late-session squeeze. In handicapper terms, the consensus sits around a fairly tight band in the mid-$60,000s: CoinGecko’s Polymarket-based snapshot puts the highest-probability August target at **$67,500** with a **62.5%** chance, while other short-term models cluster near **$65,000–$66,000** for the day[1][6][8][10][11].
That leaves the value debate in the tails rather than the centre. Historical comparison points show how hard it is for Bitcoin to force an outsized move inside a single day when the tape is already pinned to a range, and even one forecast tied to the Aug. 3–9 window had BTC closing above **$60,391.50** with a stated 90% historical confirmation rate, which is consistent with a market that often finishes near where it starts rather than lurching to an exact strike[3]. The contrarian angle is that a 0% reading can understate event risk if liquidity thins into the close, but the burden of proof is on the upside.
The catalysts to watch are the usual macro and flow drivers: spot ETF creation and redemption data, large whale transfers, and any fresh US policy or regulatory headlines that can alter risk appetite intraday. Recent crypto commentary has also highlighted post-Fed positioning, hawkish repricing and ETF flow watch as the main near-term dependencies, alongside legislative timing around the CLARITY Act and broader market support around the **$60,000–$62,000** zone[14]. With the settlement window ending at **2026-08-10T04:00:00Z**, the key question is whether Bitcoin can break out cleanly enough before the cut-off to justify paying for the long-shot price-hit ticket.
Methodology
We track What price will Bitcoin hit on August 9? 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 Who Will Win. 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%.
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