Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
23% | 77% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
23% | 77% | 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 → |
Market context
The market resolves based on whether the SPY closing price on Monday, 13 July 2026, exceeds the prior trading day’s close, which will likely be Friday, 10 July, given the weekend gap. With SPY closing at 754.94 on 10 July [6], the current 22% implied probability for an “Up” outcome suggests traders expect a modest decline or flat performance by settlement, despite the ETF sitting near its 52-week high of 760.40 [1].
Historically, early-July closes in SPY have shown mixed momentum into mid-month, with 2025 and 2024 both experiencing pullbacks of 1–2% between 10 and 13 July before recovering later in the month [5][6]. In years where SPY approached its annual high by early July—such as 2026, which already hit 757.62 on 2 June [6]—the subsequent week often saw consolidation or slight retracement, aligning with the low YES probability.
Key catalysts include the release of June’s retail sales data on 15 July and the start of Q2 earnings season, with major banks like JPMorgan and Bank of America reporting from 14 July onward [8]. Any surprise weakness in consumer spending or banking earnings could pressure SPY below the 10 July close. Traders should also monitor the VIX, which has remained subdued near 12, suggesting limited fear-driven selling but also little impetus for a breakout above 760 [1].
Methodology
Sports-specific comparison page for SPY (SPY) Up or Down 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.
- 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.
- 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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