This market will resolve to "Up" if the Close price for S&P 500 (SPY) on July 9, 2026 is higher than the Close price for S&P 500 (SPY) on the most recent prior trading day. This market will resolve to "Down" if the Close price for S&P 500 (SPY) on July 9, 2026 is lower than the Close price for S&P 500 (SPY) on the most recent prior trading day. E.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day. If the two specified closing prices are exactly equal, this market will resolve 50-50. Closing prices will be used exactly as published by Pyth, without rounding. If S&P 500 (SPY) does not trade at all during the regular session, the market will resolve 50-50. For a standard full trading session, the closing price refers to the Pyth "Close" value of the 1-minute candle corresponding to the final minute of regular trading hours on the primary exchange. If either of the relevant days has no valid Pyth Close value for the 1-minute candle corresponding to the end of regular trading hours on the primary exchange, the market will use the last valid Pyth price achieved during the regular trading hours of the primary exchange as the effective closing price. If no valid Pyth price exists for that trading day due to a system outage, data failure, or other technical disruption, the official closing price published by the primary exchange on which the listed security trades will be used to determine the closing price for that day. Only prices achieved during the regular trading hours of the primary exchange on which the listed security trades (typically 9:30 AM – 4:00 PM ET) will be considered. In the event of a stock split, reverse stock split, or similar corporate action affecting the listed security during the listed time frame, this market will resolve based on split-adjusted prices as displayed on Pyth. The resolution source for this market will be Pyth, specifically the "Close" values for the relevant 1-minute candle available at https://pythdata.app/explore/Equity.US.SPY%2FUSD. Historical 1-minute candles may be accessed by appending a Unix timestamp (seconds) to the Pyth chart URL using the "t=" parameter. Any timestamp within the listed market time frame may be used to view the relevant candle data (e.g., https://pythdata.app/explore/Equity.US.SPY%2FUSD?t=1773432000).

Polymarket

Frequently asked questions

On Polymarket, the SPY daily price movement market dashboard tracks real-time odds and historical price data for whether the SPY exchange-traded fund will close higher or lower on July 9. The interface displays the current probability assigned by traders to each outcome, along with trading volume and order-book depth. This market reflects collective trader sentiment on intraday equity market direction, aggregating thousands of individual predictions into a single price signal that updates continuously as new trades execute.

Prediction market odds often diverge from traditional analyst forecasts because they incorporate real-time market sentiment and incentivize accuracy through financial stakes. While equity analysts publish price targets and earnings estimates on longer horizons, this market distills near-term directional conviction into a single probability. Traders betting real capital tend to reflect current volatility, macroeconomic data, and intraday momentum more dynamically than consensus forecasts, which update less frequently and carry fewer direct consequences for accuracy.

On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one outcome—SPY up or down—and the price reflects the probability implied by the current bid-ask spread. As traders buy and sell shares, the market price moves to balance supply and demand, ensuring that the odds always reflect the marginal trader's belief about the likelihood of each outcome by the resolution date.

This market resolves around Jul 9, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome is determined by whether SPY closes above or below its opening price on that date. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. Resolution is final once the closing price is published and verified.

Major catalysts for this market include Federal Reserve announcements, employment data releases, corporate earnings surprises, and geopolitical developments that shift risk appetite. Intraday volatility spikes often follow economic indicators or central bank communications. Market-wide selloffs or rallies driven by inflation concerns, interest-rate expectations, or sector rotation can swing the odds sharply in the final hours before close. Unexpected news or earnings misses in mega-cap holdings can also trigger rapid repricing of trader conviction.

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