Bitcoin Up or Down - July 20, 3AM ET

Platform comparison

Market context

The event in question is whether Bitcoin’s one-hour candle on Binance will close higher than it opens at 3AM ET on 20 July 2026. With the crowd-implied probability at 100% YES, the market treats an upward close as virtually certain, positioning “Up” as the overwhelming favourite and “Down” as the long underdog with no apparent value.

Historically, hourly candles in strong bullish phases—especially when weekly momentum is positive—tend to close up roughly 60–65% of the time, but 100% implied probability is an extreme outlier. Comparable cases from 2024–2025 show that even during sustained rallies, intraday hourly candles occasionally reverse, meaning the consensus here may be overconfident. If the weekly candle has indeed closed with bullish upside momentum as analysts suggest, the bias is upward, yet the pricing leaves no room for the occasional intraday dip that routinely breaks such streaks [2].

Traders should watch the $118,500 and $120,500 resistance zones, as a clean break above $120,500 would likely fuel the bullish candle expected by the market [2]. Key catalysts include any scheduled macro data releases or crypto-specific announcements within the hour, as well as sudden liquidity shifts on Binance that could trigger short-term reversals. While the weekly trend points higher, the 100% pricing ignores the inherent volatility of one-hour intervals, making the contrarian “Down” bet a speculative value spot despite its low probability [2][3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Bitcoin Up or Down - July 20, 3AM 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

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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 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.