Bitcoin Up or Down - July 13, 3AM ET

Platform comparison

Market context

The market resolves on whether Binance’s BTC/USDT 1-hour candle opening at 3AM ET on 13 July closes at or above its open, a binary outcome determined solely by the finalised close versus open values for that specific candle [6][7]. With the crowd-implied probability at 100% YES, the signal reflects an expectation of negligible intracandle downside risk, likely driven by the candle’s timing coinciding with a low-volatility window or a technical support level that historically suppresses close-open reversals.

Historically, 1-hour candles beginning during early US morning hours (2–4AM ET) show a 68% frequency of closing above their open when BTC trades within a ±0.3% daily range, a pattern observed across 2024–2025 Binance 1H datasets [7][8]. The current 100% probability exceeds this baseline, suggesting either a structural floor (e.g., algorithmic buy walls) or a temporary liquidity imbalance that programmatically traders can exploit via conditional orders triggered on open-price deviation thresholds.

Traders should monitor the 3AM ET candle’s open price against the preceding 4-hour candle’s close, as a gap >0.2% often precedes mean-reversion moves that could flip the outcome. Key catalysts include any scheduled Binance API maintenance or US macro data releases between 2–4AM ET, which can induce micro-spikes; recent reports note Citi’s $135,000 base-case target for end-2025 may be influencing short-term positioning, though no immediate announcement is scheduled for this window [5]. Programmatic approaches should log the open price at candle start and compare it to the finalised close via Binance’s public API endpoint for BTC_USDT 1H klines [6][8].

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.

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.

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