S&P 500 (SPY) closes above … on July 23?

Platform comparison

Market context

The S&P 500 is trading lower on the session, with the index around 7,392 by late morning and down roughly 1.4%, while US stocks have extended losses on Thursday amid a weaker macro backdrop and renewed doubts around artificial-intelligence earnings strength.[1][2] That leaves the market well short of a late-session push towards any higher close threshold, and the current 0% implied yes probability is consistent with a tape that has already absorbed a meaningful intraday sell-off.[1][2]

For context, the S&P 500 has still been much higher than a year ago, with YCharts showing the index at 6,939.03 on a monthly basis versus 6,040.53 a year earlier, so the broader trend has been constructive even if single-day moves can be sharp.[3] On a comparable basis, markets often close below intraday levels when risk sentiment weakens into the afternoon, especially after a broad-based decline rather than a sector-specific dip; today’s losses have been broad, with the S&P 500 and Dow both down more than 1% and the Nasdaq 100 off 2%.[2]

Traders should watch whether the sell-off is driven by the closing auction, any late-day macro headlines, and whether US yields or large-cap technology shares stabilise before the bell.[2] Fresh commentary in the market feed points to deteriorating macro conditions and AI-related earnings concern as the immediate catalyst, so any reversal would likely depend on a shift in those drivers rather than a stock-specific story.[2]

Sources: 1 · 2 · 3

Methodology

Sports-specific comparison page for S&P 500 (SPY) closes above … on July 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.

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.