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 1AM 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 this specific hourly window. Resolution hinges on Binance's recorded open and close prices for the 1H candle, with the settlement window closing at 6AM ET the same day.
Hourly Bitcoin candles exhibit substantial volatility, with historical data showing that single-hour moves frequently oscillate between gains and losses regardless of broader daily or weekly trends. During low-liquidity periods—particularly overnight US hours—BTC/USDT can experience sharper swings relative to trading volume, though Binance maintains continuous 24/7 trading. The current 0% probability assigned to upside suggests market participants have identified specific downward pressure or are pricing in a statistical bias toward negative hourly closes during this timeframe, though such extreme probabilities on binary price movements are uncommon absent concrete catalysts.
Traders monitoring this candle should track macroeconomic data releases scheduled for 20 August and any significant cryptocurrency news announcements in the preceding hours. Binance's order book depth and recent volatility indices will indicate whether liquidity conditions favour sharp directional moves. The overnight US trading session typically sees reduced volume, which can amplify price swings from smaller trades or algorithmic activity. Any major regulatory announcements or Bitcoin futures expiry events occurring near the settlement window could influence final candle direction.
Methodology
Sports-specific comparison page for Bitcoin Up or Down - August 20, 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
- 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, 1AM ET on March Madness Predictions
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