Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
42% | 58% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
42% | 58% | 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 |
|---|---|
| ↑ 66,000 | 42% |
| ↓ 62,000 | 28% |
| ↓ 60,000 | 9% |
| ↑ 68,000 | 8% |
| ↑ 70,000 | 2% |
| ↓ 58,000 | 2% |
| ↑ 76,000 | 1% |
| ↑ 74,000 | 1% |
| ↑ 72,000 | 1% |
| ↓ 56,000 | 1% |
| ↑ 78,000 | 0% |
| ↓ 54,000 | 0% |
| ↓ 52,000 | 0% |
| ↓ 50,000 | 0% |
Market context
Bitcoin's price movement during the week of 17–23 August 2026 will depend on macroeconomic data releases, Federal Reserve communications, and broader cryptocurrency market sentiment. The settlement window closes on 24 August, capturing a full trading week across major exchanges. Historical volatility in Bitcoin has ranged from 2–5% weekly swings during periods of economic uncertainty, though larger moves occur around central bank decisions or significant geopolitical events.
Comparable price-discovery periods show that Bitcoin typically responds to US inflation data, employment reports, and Fed speaker commentary. During August 2023, Bitcoin moved 8% in a single week following softer-than-expected inflation figures. The 0% crowd probability suggests traders are either pricing in an extremely narrow price band or awaiting clarity on which specific price level the market is testing. Without a defined strike price or range in the market description, settlement hinges on precise price identification during that week.
Key catalysts to monitor include any scheduled Fed communications, US economic data releases (particularly the Consumer Price Index or jobs report if timed near mid-August), and cryptocurrency exchange flows. Regulatory announcements from the SEC or international bodies could also trigger volatility. Bitcoin's correlation with equity markets and Treasury yields remains a primary driver; risk-off sentiment typically pressures crypto assets. Traders should track major exchange order books and institutional positioning reports in the days leading up to 17 August to gauge likely price discovery zones.
Methodology
Sports-specific comparison page for What price will Bitcoin hit August 17-23?. 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
- 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.
- 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.
- 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 What price will Bitcoin hit August 17-23? on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →