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 | 99% |
| 62,000 | 99% |
| 64,000 | 99% |
| 66,000 | 99% |
| 68,000 | 99% |
| 70,000 | 98% |
| 72,000 | 90% |
| 74,000 | 65% |
Market context
Bitcoin's price at the noon ET candle close on 23 August 2026 will determine this market's outcome, with settlement based on the Binance BTC/USDT 1-minute candle data. The 100% crowd probability reflects confidence that Bitcoin will trade above the specified threshold at that precise moment, though the exact price level remains unspecified in the market title.
Historical Bitcoin volatility at specific timestamps offers limited predictive value; intraday price movements depend heavily on macroeconomic releases, Federal Reserve communications, and geopolitical developments rather than technical patterns at fixed times. A single noon candle close represents a snapshot in a 24-hour market that never closes, making historical noon-specific comparisons unreliable guides. Bitcoin's correlation with equity futures and Treasury yields has strengthened since 2023, meaning US economic data releases scheduled for morning hours could influence the noon ET price materially.
Traders should monitor the Federal Reserve's policy stance and any scheduled economic announcements in the weeks preceding 23 August 2026, as these typically drive directional conviction in Bitcoin markets. Regulatory developments—particularly any significant shifts in US cryptocurrency policy or enforcement actions—can trigger sharp intraday moves. The settlement depends entirely on Binance's data feed for the BTC/USDT pair; traders should verify Binance's operational status and data integrity on the settlement date, as exchange outages or technical issues could affect price discovery at the critical noon timestamp.
Methodology
Sports-specific comparison page for Bitcoin above … on August 23?. 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
- 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.
- 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.
- 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 above … on August 23? on March Madness Predictions
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