TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 11, 4:00 PM EST
Kalshi
This set of markets tracks the performance of a major stock market index on a specific date, resolving based on whether the index closes above various threshold values. Each market represents a different threshold, allowing participants to speculate on the exact level of market performance at the close of trading on that day.
All markets in this event resolve based on the end-of-day value of the S&P 500 index on September 11, 2026, at 4pm EDT. Each individual market has a unique threshold value; for a given market labeled 'X or above,' if the index closes above X.9999, the market resolves to 'Yes,' otherwise to 'No.' Markets close on September 11, 2026, and expiration occurs at the sooner of the official index data release or one week after the close date. All markets adhere to modified source agency and underlying rules specific to indices as outlined in the Kalshi Rulebook.