What price will Bitcoin hit on August 18?

Platform comparison

Market context

Bitcoin's price action over the past 48 hours has remained constrained within a narrow band, with spot prices hovering between $59,000 and $61,500 as of late July 2026. The 0% crowd probability on this market reflects the settlement window's specificity: traders are pricing in an extremely low likelihood of Bitcoin reaching any particular price threshold on the single day of 18 August 2026. This is consistent with how single-day price targets typically trade across crypto prediction markets, where daily volatility rarely exceeds 5–8% in established assets like Bitcoin, making precise daily price predictions inherently difficult to resolve positively.

Historical precedent shows that Bitcoin's largest single-day moves—typically 10–15%—occur during major macroeconomic announcements or regulatory shocks. The August 2026 settlement window falls outside known Federal Reserve decision dates or major central bank communications, reducing the probability of the outsized moves required to shift this market meaningfully. Traders should monitor any unexpected inflation data releases or geopolitical developments that could trigger volatility, though the current quiet period in the economic calendar suggests limited catalyst risk.

The market's zero probability reflects rational pricing rather than certainty. Bitcoin's spot price on 18 August will settle at some level; the question is whether that level matches whatever threshold the market operator has defined. Without that threshold specified in the market description, traders are effectively betting on an undefined outcome, which explains the collapsed probability.

Methodology

This page reviews What price will Bitcoin hit on August 18? 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 Prediction Today, which mirrors the Polymarket order book at 0% fees.

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 Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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%.