What price will Bitcoin hit on August 21?

Platform comparison

Market context

Bitcoin's price trajectory on 21 August 2026 remains subject to macroeconomic conditions, regulatory announcements, and on-chain activity that will unfold over the next eighteen months. The current 13% implied probability reflects scepticism that Bitcoin will reach a specific price threshold on that exact date—a constraint tighter than simply forecasting directional movement over a longer window.

Historical precedent suggests that single-day price targets carry inherent difficulty. Bitcoin has experienced intraday swings exceeding 10% during periods of volatility, yet hitting a predetermined level on a chosen date requires convergence of timing and magnitude. During the 2021 bull run, Bitcoin moved from $29,000 to $69,000 across roughly eight months; the probability of hitting any specific price on any specific day within that range would have been modest, even as the directional thesis proved correct. Comparable prediction markets on cryptocurrency price points typically settle between 8% and 25% implied probability depending on the target's distance from spot price and the settlement window's length.

Traders monitoring this contract should track Federal Reserve policy signals, which influence risk appetite across crypto markets, alongside Bitcoin's correlation with equity indices. Spot-price movements in August 2025 and early 2026 will establish momentum heading into the settlement window. Regulatory developments—particularly any material shifts in US or EU cryptocurrency frameworks—can trigger sharp repricing. The divergence between this 13% probability and longer-dated Bitcoin price forecasts suggests the market is pricing the specificity of the date rather than fundamental directional uncertainty.

Methodology

We track What price will Bitcoin hit on August 21? 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.

FAQ

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 Best Prediction Markets. 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.