S&P 500 (SPX) Up or Down on July 13?

Platform comparison

Market context

The market hinges on whether the S&P 500 closes higher on Monday, 13 July 2026, than it did on the preceding trading day, which is Friday, 10 July. With the index at 7,575.39 after Friday’s close, the 10% crowd-implied probability for an “Up” resolution suggests traders expect a dip or flat session, despite the index’s 52-week range of 6,201.59 to 7,620.90[3][6].

Historically, single-day SPX moves in early July have been modest, with the index averaging less than 0.5% daily volatility over the past year[3]. Comparable prediction markets on daily SPX direction in 2024–2025 showed similar skew: when implied probabilities for “Up” fell below 15%, the actual “Up” outcome occurred in only 22% of cases, indicating a persistent public bias toward downside expectations in mid-July sessions[1].

Traders should monitor the release of the US Consumer Price Index for June, scheduled for 15 July, as forward-looking sentiment often shifts ahead of major inflation data[2]. Additionally, S&P 500 futures trading hours—24 hours daily except Wednesday 3–3:15 AM ET—may amplify overnight volatility if geopolitical or earnings surprises emerge before the Monday close[2]. Any deviation from the 7,575.39 baseline will likely stem from pre-market futures moves rather than intraday retail flows.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Entertainment-specific comparison page for S&P 500 (SPX) Up or Down on July 13?. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do award markets resolve?

After the official announcement — e.g. Oscars ceremony end for Academy Awards markets, Eurovision final end for ESC markets. UMA Optimistic Oracle typically uses the official award website as the resolution source.

How accurate are award predictions?

Variable. Industry-predictable awards (Oscar Best Picture) have high market accuracy (Brier ~0.15). Reality-TV outcomes with small markets carry more noise. Eurovision is notorious for market upsets due to bloc voting.

What was the top Oscar 2025 market?

Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.

How are reality-TV outcomes verified?

UMA Oracle uses the official show website or producer statement as the resolution source. Very narrowly defined markets (e.g. "Will X be voted off the island?") rely on the official show notes.

Is entertainment trading worth the effort?

Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.