TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Feb 20, 7:00 PM EST
Kalshi
This market predicts the end-of-day closing value of the S&P 500 index on February 20, 2026. The market resolves to Yes for virtually any closing value, covering the entire possible range from below 6,475 to above 7,175, making this effectively a certainty bet on the index closing at any level.