Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 54,000 | 100% |
| 56,000 | 100% |
| 58,000 | 100% |
| 60,000 | 100% |
| 62,000 | 100% |
| 64,000 | 96% |
| 66,000 | 4% |
| 68,000 | 0% |
| 70,000 | 0% |
| 72,000 | 0% |
| 74,000 | 0% |
Market context
Bitcoin is trading in a range where the market is already pricing in a positive finish, with the crowd implying a 100% chance of **Yes** for this strike. That is far more aggressive than most published August 2026 forecasts, which cluster around the mid- to high-$60,000s rather than anywhere near a binary certainty; CoinCodex has BTC around **$67,668** for 9 August, while CoinCheckup and Changelly point to roughly **$67,613** and **$67,262** respectively.[4][5][3]
Historical framing also leans towards caution around overconfident pricing: Bitcoin forecast models and prediction-market snapshots have repeatedly treated the low-to-mid $60,000s as the key operating zone for early August, not a one-way tape. CoinGecko’s August 2026 outlook cites Polymarket data with a **56.5%** chance of BTC reaching **$67,500** by month-end, and a separate weekly forecast model says Bitcoin is expected to close above **$60,391.50**, with that signal confirmed **90%** of the time across 432 historical weeks.[2][1]
The main catalysts to watch are macro and policy headlines rather than protocol events. Recent commentary has put emphasis on post-Fed repricing, ETF flow direction, and August inflation data, with one analysis saying BTC’s near-term range depends on support around **$60,000–$62,000** and on whether traders continue to price out a September rate hike.[13][8] At the time of writing, Bitcoin was quoted around **$65,075** on Forbes’ market feed, which leaves the contract sensitive to a modest move in either direction before the relevant Binance noon candle is set.[18]
Methodology
Sports-specific comparison page for Bitcoin above … on August 9?. 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.
- 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.
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