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 |
|---|---|
| ↑ 65,000 | 100% |
| ↑ 66,000 | 55% |
| ↑ 67,000 | 7% |
| ↓ 64,000 | 5% |
| ↑ 72,000 | 1% |
| ↑ 68,000 | 1% |
| ↓ 63,000 | 1% |
| ↓ 62,000 | 1% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
| ↓ 57,000 | 0% |
Market context
Bitcoin's price movement on 19 August 2026 will depend on macroeconomic conditions, regulatory announcements, and technical levels that traders monitor across spot and derivatives markets. The 1% implied probability suggests the market has assigned an extremely low likelihood to whatever specific price threshold this market is testing—likely an outlier level far from the consensus trading range at that date.
Historical volatility in Bitcoin has rarely produced single-day moves exceeding 20–25% outside of major crisis events or regulatory shocks. The 2020 March crash saw a 50% decline over weeks, whilst the 2021 May correction dropped the asset roughly 30% in days following Chinese mining crackdowns and Elon Musk's Tesla reversal. For a price target to hit at 1% probability on a specific date two years out, it would typically require either an extreme tail-risk scenario—major exchange collapse, severe regulatory ban, or macroeconomic crisis—or a price level so distant from current trading that random walk probability alone makes it negligible.
Traders should monitor Federal Reserve policy signals, spot ETF inflows (which have stabilised institutional demand since 2024), and any major geopolitical developments affecting risk appetite. Cryptocurrency-specific catalysts include regulatory clarity from the SEC and CFTC, mining difficulty adjustments, and large on-chain whale movements. The settlement window closing on 20 August 2026 means the market resolves within a narrow window, eliminating extended volatility windows that might otherwise shift tail-risk probabilities upward.
Methodology
Sports-specific comparison page for What price will Bitcoin hit on August 19?. 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.
- 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.
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