Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
37% | 63% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
37% | 63% | 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 |
|---|---|
| ↑ 66,000 | 37% |
| ↓ 62,000 | 31% |
| ↓ 60,000 | 9% |
| ↑ 68,000 | 6% |
| ↓ 58,000 | 3% |
| ↑ 70,000 | 2% |
| ↑ 76,000 | 1% |
| ↑ 74,000 | 1% |
| ↑ 72,000 | 1% |
| ↓ 56,000 | 1% |
| ↑ 78,000 | 0% |
| ↓ 54,000 | 0% |
| ↓ 52,000 | 0% |
| ↓ 50,000 | 0% |
Market context
Bitcoin's price movement during the week of 17–23 August 2026 will depend on macroeconomic releases, central bank communications, and spot or futures positioning ahead of the US labour report on 21 August. Historical precedent shows Bitcoin exhibits heightened volatility in the three trading days before major US economic data, particularly non-farm payrolls, which typically triggers repricing across risk assets. The current 0% crowd probability suggests traders perceive either insufficient liquidity to move price materially in a single week, or consensus that no extreme price excursion is likely given prevailing market conditions at that time.
Regulatory frameworks will shape market accessibility during this settlement window. Germany's GlüStV (Gambling Treaty) classifies certain crypto derivatives as gambling products, restricting retail participation in some prediction markets; however, spot price discovery remains unaffected. The US CFTC's jurisdiction over Bitcoin futures and options means US-domiciled traders face position limits and reporting thresholds. For this market specifically, platforms offering no-KYC entry up to $1,500 notional exposure allow smaller traders to participate without identity verification, though such accounts typically face withdrawal restrictions and cannot access leveraged positions—a material constraint for those seeking to hedge directional bets.
Watch for announcements from the Federal Reserve (Jackson Hole Economic Symposium typically occurs late August), statements from major mining operations regarding hash rate or difficulty adjustments, and any regulatory developments from the SEC or CFTC regarding spot Bitcoin ETF trading halts or margin requirements. Geopolitical events or corporate treasury announcements can also shift positioning ahead of the settlement window.
Methodology
This overview of What price will Bitcoin hit August 17-23? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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