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 |
|---|---|
| $745 | 100% |
| $740 | 100% |
| $735 | 100% |
| $730 | 100% |
| $725 | 100% |
| $775 | 0% |
| $770 | 0% |
| $765 | 0% |
| $760 | 0% |
| $755 | 0% |
| $750 | 0% |
Market context
The S&P 500 tracking exchange-traded fund SPY will close on 13 July 2026 at a specific price level, with traders currently assigning zero probability to the index finishing above an unspecified threshold. The settlement occurs after regular market hours close at 20:00 UTC, capturing the full trading session's movement across US equities. SPY's composition—weighted heavily towards mega-cap technology and financial stocks—means its daily direction reflects broad sentiment shifts in those sectors alongside macroeconomic data releases and Federal Reserve communications.
Historical precedent suggests that 0% crowd probability on equity price targets typically reflects either an unrealistic strike price relative to current spot or insufficient liquidity in the market itself. When major indices trade near all-time highs, as they frequently do, extreme out-of-the-money calls attract minimal trading activity. The absence of meaningful order flow can produce artificially depressed probabilities that don't reflect genuine market expectations. Comparable markets on SPY price targets show that crowd-implied odds often compress sharply once traders begin accumulating positions, particularly if economic data or earnings surprises create directional conviction.
Traders monitoring this market should track the economic calendar for 13 July itself—any inflation data, jobless claims, or retail sales figures released that morning could shift volatility substantially. Corporate earnings announcements from major index constituents in the preceding weeks will establish momentum heading into settlement. The Federal Reserve's policy stance and recent communications on interest rates remain the dominant driver of equity valuations, with any shift in rate-cut expectations capable of moving SPY several percentage points in a single session.
Methodology
Sports-specific comparison page for S&P 500 (SPY) closes above … on July 13?. 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.
- 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.
- 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 S&P 500 (SPY) closes above … on July 13? on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →