The market strongly favors S&P 500 (SPX) Up or Down on August 26? at 87%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | S&P 500 (SPX) Up or Down on August 26? | 87% | +15% | $94K |
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This market will resolve to "Up" if the official S&P 500 Index closing price for S&P 500 (SPX) on Wednesday, August 26, 2026 is higher than the official S&P 500 Index closing price for SPX on the most...
This prediction market tracks whether S&P 500 (SPX) Up or Down on August 26? will occur, with $94K 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.
The market shows strong consensus: S&P 500 (SPX) Up or Down on August 26? is priced at 87%, indicating traders overwhelmingly expect this outcome. At this probability level, the potential return on a correct bet is relatively low, but contrarian positions carry significant upside if the consensus proves wrong.
Trading activity is exceptionally high, with $94K 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 2026-08-26. 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 Aug 26, 2026 at 19:25 UTC, the leading outcome is S&P 500 (SPX) Up or Down on August 26? at 87% probability, with $94K in total trading volume on Polymarket.
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