TOTAL VOLUME:
$154.8b
24H VOL:
$245,601,049
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,897,405,322
408,349
Markets across
39,583
events
MATCHED EVENTS:
4,443
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 19, 11:00 AM EST
Kalshi
This event tracks the performance of a major stock market index at a specific future date and time, allowing participants to speculate on whether the index will surpass certain thresholds. The outcome depends solely on the index's value at the specified moment, reflecting broader economic and market conditions anticipated over the next several years.
All markets share the same core resolution mechanism: each resolves to 'Yes' if the S&P 500 index value at 11am EDT on October 19, 2026 exceeds a specific threshold (e.g., 7574.9999, 7579.9999, etc.). Thresholds vary sequentially across markets, each representing a distinct price level. All markets close on October 19, 2026, and expire either when the index value is first officially released or one week after the specified date, whichever occurs first. The Exchange has applied modifications to the Source Agency and Underlying for index markets as detailed in the Kalshi Rulebook.