No clear favorite. S&P 500 (SPX) Up or Down on September 24? leads at just 10%. Many possible outcomes.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | S&P 500 (SPX) Up or Down on September 24? | 10% | +953% | $16K |
Real-money prediction market · Trade with confidence
This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Thursday, September 24, 2026 is higher than the official S&P 500 Index closing price for SPX on the mo...
This prediction market tracks whether S&P 500 (SPX) Up or Down on September 24? will occur, with $16K in total trading volume reflecting significant trader interest. Prediction markets aggregate the collective intelligence of participants who stake real money on outcomes, making them one of the most reliable forecasting tools available for events driven by available information and market participant behavior.
No clear favorite has emerged — S&P 500 (SPX) Up or Down on September 24? leads at only 10% across 1 possible outcomes. Markets with this level of uncertainty typically offer the highest potential returns but also carry the greatest risk.
Trading activity is exceptionally high, with $16K traded in the last 24 hours alone (100% of total volume). This surge often indicates breaking news, a key deadline approaching, or a significant shift in market sentiment.
This market is scheduled to resolve by 2026-09-24. As the resolution date approaches, expect increased trading activity and tighter probability estimates. Historical data shows that prediction market accuracy improves significantly in the final days before resolution.
As of Sep 24, 2026 at 15:25 UTC, the leading outcome is S&P 500 (SPX) Up or Down on September 24? at 10% probability, with $16K in total trading volume on Polymarket.
What Are Prediction Markets? · How to Trade · Odds Calculator · Compare Platforms