Bitcoin above … on August 22?

Platform comparison

Market context

This market settles on Bitcoin's Binance spot price at precisely noon ET on 22 August 2026, using the 1-minute candle close on BTC/USDT. The 100% crowd probability reflects either an extremely high strike price relative to expected Bitcoin levels, or a technical quirk in how the market was initialised. Traders holding YES exposure are effectively long Bitcoin at that specific moment and exchange, whilst NO holders are short. On Polymarket, this contract trades as a conditional token pair on Polygon, with USDC collateral backing each side; settlement occurs through Binance's published candle data, which remains the most liquid and widely-referenced Bitcoin spot reference rate across institutional and retail venues.

Historical precedent suggests that single-point-in-time Bitcoin price markets at major exchanges rarely sustain extreme probability skews unless the strike is set far from consensus expectations. A 100% YES reading typically indicates either the strike sits well below the median forecast for August 2026, or the market has attracted minimal liquidity and reflects a thin order book. Bitcoin's intraday volatility at noon ET has historically ranged 1–3% on typical trading days, though geopolitical shocks or Federal Reserve announcements can widen that range substantially.

Traders should monitor macroeconomic calendars for August 2026, particularly any US inflation data or central bank communications released in the days preceding settlement. Binance's technical status and any exchange maintenance windows near the settlement time could theoretically affect price discovery, though such disruptions are rare. The specific noon ET timestamp means European morning traders and Asian overnight markets will be active, potentially influencing liquidity and bid-ask spreads at that precise moment.

Methodology

This page reviews Bitcoin above … on August 22? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Scam?, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

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.

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%.