Bitcoin Up or Down - August 20, 1AM ET

Platform comparison

Market context

Bitcoin's price movement during a single hourly candle on Binance's BTC/USDT pair beginning 20 August 2026 at 1AM ET will determine whether the contract settles to "Up" or "Down". The resolution hinges on whether the close price meets or exceeds the open price for that specific 60-minute window, with data sourced directly from Binance's charting interface once the candle finalises.

One-hour Bitcoin candles exhibit considerable variance in directional outcomes across market cycles. Historical analysis of intraday hourly movements shows that roughly 48–52% of candles close higher than they open during periods of low volatility, whilst trending markets skew this distribution more sharply. The current 0% implied probability on this contract—suggesting near-certainty of a down close—sits well outside typical baseline expectations for a single hourly candle and warrants scrutiny against comparable prediction markets and spot-exchange order-book positioning at the time of settlement.

Traders monitoring this contract should track macroeconomic calendar events in the hours preceding the settlement window, particularly US economic data releases or Federal Reserve communications that could drive intraday volatility. Bitcoin's correlation with equity futures and Treasury yields often intensifies during scheduled announcements. Additionally, large options expirations or funding-rate shifts on perpetual futures exchanges can influence spot-price behaviour on centralised exchanges like Binance. The specific timing—early morning ET—typically coincides with lower trading volumes in US markets but higher activity in Asian sessions, which may compress spreads or amplify directional moves depending on overnight positioning.

Methodology

This page reviews Bitcoin Up or Down - August 20, 1AM ET 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 Best Prediction Markets, 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.

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.