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's price movement during the one-hour candle opening at 7AM ET on 20 August 2026 will determine whether BTC/USDT closes above or at its opening level on Binance. The market currently reflects zero probability of an upward move, suggesting traders expect a decline or flat performance during that specific hourly window.
Hourly Bitcoin price action historically exhibits high volatility relative to daily or weekly timeframes, with single-hour candles frequently closing in the red despite broader bullish or bearish trends. Research into Binance BTC/USDT data from comparable periods shows that 1H candles close higher than their open roughly 48–52% of the time under normal market conditions, though this varies significantly depending on macroeconomic events, regulatory announcements, or major institutional activity. The current 0% probability assignment suggests either an anticipated negative catalyst or a technical setup that traders view as decisively bearish for that specific window.
Traders monitoring this market should track scheduled economic data releases on 20 August 2026, Federal Reserve communications, or any cryptocurrency-specific announcements that could influence intraday sentiment in the hours preceding 7AM ET. Binance's own system status and trading volume patterns during early US trading hours will also affect price stability. The settlement window closes at noon ET, allowing the full candle to close and finalise before resolution against Binance's official BTC/USDT 1H chart data.
Methodology
Sports-specific comparison page for Bitcoin Up or Down - August 20, 7AM 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- 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 - August 20, 7AM ET on March Madness Predictions
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