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 |
|---|---|
| 52,000 | 100% |
| 54,000 | 100% |
| 56,000 | 100% |
| 58,000 | 100% |
| 60,000 | 100% |
| 62,000 | 99% |
| 64,000 | 99% |
| 66,000 | 96% |
| 68,000 | 80% |
| 70,000 | 38% |
| 72,000 | 12% |
Market context
Bitcoin's price action on 22 August 2026 at noon Eastern Time will determine this market's outcome, with resolution based on the closing price of the 1-minute candle on Binance's BTC/USDT pair. The 100% implied probability reflects either an exceptionally high strike price or market consensus that Bitcoin will trade above a specified level during that specific one-minute window. Given the precision required—a single candle at an exact time on a particular exchange—the probability assessment hinges on where the threshold sits relative to prevailing market conditions two years forward.
Historical Bitcoin volatility suggests that intraday price movements of several percentage points are routine, even during relatively calm trading sessions. A noon ET reading captures early afternoon trading in North America overlapping with evening activity in Europe, typically a period of moderate volume. The specificity of Binance's BTC/USDT pair matters; whilst this is one of the largest spot trading venues, prices can diverge marginally from other exchanges depending on order flow and liquidity conditions at that precise moment.
Traders monitoring this market should track Bitcoin's medium-term trend trajectory approaching August 2026, macroeconomic conditions affecting risk appetite, and any regulatory announcements that might influence volatility. Binance's operational status and any potential technical issues on the settlement date could theoretically affect price discovery, though such disruptions remain uncommon. The exact strike price—currently absent from the provided information—ultimately determines whether the 100% probability reflects genuine certainty or an implausibly high threshold.
Methodology
Sports-specific comparison page for Bitcoin above … on August 22?. 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.
- 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 above … on August 22? on March Madness Predictions
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