Bitcoin price on August 9?

Platform comparison

Market context

Bitcoin is trading in the mid-$60,000s, so the settlement point will be decided by a relatively tight one-minute close around noon ET rather than by any broad multi-day trend. Recent market prints put BTC around $64,000–$65,000, with one source showing a current level of $64,073.5 and another putting the live price near $65,075, while August has already seen a close of $64,878 after a $65,332 intraday high and $64,114 low.[6][17][2]

For a market like this, the 0% YES crowd price is best read as a placeholder rather than a forecast with information content. The relevant analogue is a single timestamped candle close: traders who run bots or conditional orders will care less about the day’s direction and more about liquidity, spread, and whether the 12:00 ET 1m candle lands inside the chosen bracket. In comparable Polymarket-style price bands, Bitcoin has often concentrated around nearby round-number zones, with the current favourite in a related August 9 market sitting in the $62,000–$64,000 or $64,000–$66,000 region rather than at extremes.[7][14]

The practical catalysts are the usual short-horizon flow drivers: macro headlines, ETF-related flow, and any sharp move in the hour before the noon ET cut, because the settlement window is narrow and a brief wick can decide the outcome. Recent coverage described BTC as range-bound near $65,300 after a quiet week, with one report tying intraday strength to a post-jobs-report risk bid, which is the sort of dependency that can matter for a one-minute close even if it does not change the broader trend.[15][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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 Polymarket Review UK. 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%.