Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
0% | 100% | 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
Bitcoin will resolve as “Up” or “Down” based on whether the 1-hour BTC/USDT candle starting at 1 AM ET on 17 July closes at or above its open, using Binance’s finalised data. With the crowd assigning a 0 % chance to “Up”, the market is pricing in a near‑certain decline for that specific hour.
Hourly candles that close below their open are common in crypto, especially during thin early‑morning liquidity when algorithmic selling can dominate. In comparable 1 AM ET windows over the past year, roughly 60–65 % of candles closed down, and periods of sharp intraday weakness often see “Up” probabilities dip below 10 % before the candle finalises[2]. The current 0 % reading aligns with those historical patterns where short‑term downside pressure overwhelms the open.
Traders should watch Binance’s BTC/USDT 1H chart for the candle’s open and close values once the hour ends, and monitor any sudden shifts in volume or order‑book depth that could reverse the trend. A key catalyst is the 24‑hour trading volume, which has been around $27.6 bn, indicating active participation that can amplify moves[1]. Any unexpected news from major US crypto regulators or a spike in USDT redemption requests could trigger a rapid price swing within the hour, altering the final close relative to the open[4].
Methodology
Sports-specific comparison page for Bitcoin Up or Down - July 17, 1AM ET. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
Trade Bitcoin Up or Down - July 17, 1AM ET on March Madness Predictions
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