Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Market context
Bitcoin’s price according to the Chainlink BTC/USD data stream will be compared over a five-minute window on 19 July 2026 to determine whether the market resolves “Up” or “Down”. The crowd currently assigns a 0% implied probability to an upward move, suggesting near-universal expectation of a decline or flat close within that narrow interval.
Historically, five-minute Bitcoin intervals resolve “Up” roughly 48–52% of the time over multi-year samples, with extreme short-term volatility often producing near-random outcomes. A 0% crowd-implied probability is therefore a stark outlier, diverging sharply from both long-run statistical baselines and typical sportsbook-style odds on micro-movement contracts, which usually hover near 50% unless a major scheduled catalyst is imminent.
Traders should monitor the Chainlink BTC/USD stream directly, as settlement depends exclusively on that feed, not spot prices from exchanges like Kraken or CoinDesk. No major Fed announcements or crypto-specific regulatory deadlines are scheduled for the 19 July 18:45–18:50 ET window, reducing the likelihood of a catalyst-driven spike. Recent price action shows Bitcoin trading around $61,000–$65,000 with a confirmed bearish breakdown from a multi-month symmetrical triangle, which may reinforce the crowd’s bearish bias on micro-intervals [9]. Without an unexpected news shock, the 0% YES probability appears consistent with current technical momentum rather than a mispricing.
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
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.
- 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.
Trade Bitcoin Up or Down - July 19, 6:45PM-6:50PM ET on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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