Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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
The underlying event is a five-minute micro-trend check on Bitcoin’s price via Chainlink’s BTC/USD data stream, where the market resolves to “Up” if the closing price equals or exceeds the opening price. With the crowd assigning a 100% probability to “Yes,” this implies near-certainty of a flat or rising tick in that window, a stance that contrasts sharply with recent volatility patterns.
Historical parallels from similar Polymarket 5-minute windows show that 100% crowd probabilities are rare and often precede reversals. For instance, the July 8 market at the same time resolved to “Down” despite prior bullish sentiment, while the July 9 window saw a $62,928.10 opening price with mixed outcomes [2][3]. These cases suggest that even extreme consensus can misread short-term noise, especially when resolution hinges on a single data feed rather than broader spot markets.
Traders should monitor Chainlink’s live BTC/USD stream for bid-ask spreads and volume spikes, as these can signal micro-movements before the settlement window closes [9]. Any scheduled Chainlink network upgrades or BTC/USD oracle updates could introduce latency or price gaps that affect the outcome. Recent reports note that Bitcoin OGs are holding rather than selling aggressively, which may stabilise prices in the short term, but sudden macro news could override this trend [5].
Methodology
Sports-specific comparison page for Bitcoin Up or Down - July 10, 4:15AM-4:20AM 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
- 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.
- 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.
- 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.
Trade Bitcoin Up or Down - July 10, 4:15AM-4:20AM ET on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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