Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Market context
This market tracks whether Bitcoin's price will be higher or equal at 9:45 AM ET on 27 July 2026 compared to its level at 9:30 AM ET that same morning—a fifteen-minute window. A YES share pays out if Bitcoin closes that interval flat or higher; a NO share pays out if it closes lower. The resolution uses Chainlink's BTC/USD data feed, an institutional-grade price oracle, rather than any single exchange or spot market. This distinction matters because Chainlink aggregates data across multiple sources, smoothing out anomalies that might occur on individual platforms.
The current 100% YES probability reflects the extreme brevity of the settlement window. Over fifteen minutes, Bitcoin's price movements are typically modest relative to daily volatility. Historical intraday patterns show that such short intervals rarely produce sustained directional moves; random walk behaviour dominates over such compressed timeframes. Markets pricing near-certainty for minimal price changes over quarter-hour periods is commonplace across liquid assets, though it does leave minimal margin for error.
Traders should monitor any scheduled announcements or data releases that might coincide with the 9:30–9:45 AM ET slot. US economic data, Federal Reserve communications, or major corporate earnings can occasionally trigger sharp moves even within minutes. Additionally, the Chainlink feed's composition—which exchanges and weighting methodology it uses—could theoretically affect settlement if there were significant price divergence across venues at that precise moment, though such occurrences are rare in Bitcoin's mature market structure.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.
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 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.
Trade Bitcoin Up or Down - July 27, 9:30AM-9:45AM ET on Prediction Market UK
Live order book, 0% fees, USDC settlement in seconds.
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