Pronóstico: Bitcoin Up or Down - August 20, 8AM ET

Platform comparison

Market context

The market currently reflects absolute certainty that Bitcoin's price on Binance's BTC/USDT pair will close at or above its opening level during the one-hour candle beginning 20 August 2026 at 8AM Eastern Time. This 100% probability implies traders have priced in zero expectation of a downward move within that specific 60-minute window. On Polymarket, this contract settles via conditional tokens on Polygon, with USDC collateral backing the outcome determination once Binance's finalised 1H candle data becomes available at 1PM ET that day.

Hourly Bitcoin candles exhibit high variance in directional outcomes across comparable historical periods. Analysis of BTC/USDT 1H candles from 2024 and 2025 shows roughly 48–52% close above open across random sampling, with no meaningful skew favouring upward closes during morning US trading hours. The current 100% YES probability substantially diverges from this baseline distribution, suggesting either extreme confidence in bullish conditions or potential mispricing relative to the underlying event's actual uncertainty.

Traders monitoring this contract should track Bitcoin's overnight Asia-Pacific session performance and any macroeconomic data releases scheduled between 4AM and 8AM ET on 20 August. Regulatory announcements, spot exchange inflows, or volatility spikes in correlated assets like traditional equity futures could shift momentum ahead of the settlement window. The five-hour gap between candle close (9AM ET) and final settlement (1PM ET) allows time for Binance data confirmation, though settlement typically occurs within minutes of candle completion under normal conditions.

Methodology

We track Pronóstico: Bitcoin Up or Down - August 20, 8AM ET 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

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.

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.

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 Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.