Bitcoin above … on August 13?

Platform comparison

Market context

The market is pricing Bitcoin's noon ET close on 13 August 2026 at a specific threshold, with the crowd currently assigning 100% certainty that spot will exceed that level on Binance's BTC/USDT pair. This is a single-candle resolution tied to a precise one-minute window, making it sensitive to intraday volatility and the exact mechanics of how Binance timestamps its 1m candles during the settlement hour.

Historical precedent suggests that Bitcoin's daily range typically encompasses several percentage points, meaning most modest price thresholds will be breached by noon on any given trading day. The 100% implied probability reflects this baseline reality: unless the threshold is set extraordinarily high relative to prevailing spot rates, a single one-minute candle at midday is statistically likely to close above it. Markets that resolve on specific intraday timestamps often see consensus probabilities cluster at extremes because the underlying event—a particular price level being touched or exceeded—becomes nearly inevitable once the threshold is calibrated to reasonable levels.

Traders should monitor Bitcoin's macro positioning in the weeks leading into August 2026, particularly any major regulatory announcements or macroeconomic shifts that might suppress volatility. The resolution hinges entirely on Binance's data feed and timestamp precision; any technical issues with the exchange's candle reporting could create disputes. Spot price action in the days immediately before 13 August will matter more than longer-term trends, since a single noon candle can be influenced by flash moves, options expiry mechanics, or coordinated trading activity that concentrates around market opens.

Methodology

We track Bitcoin above … on August 13? 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

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

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 Who Will Win. 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%.