S&P 500 above/below

KXINXU

S&P 500 above/below on Kalshi: $41,229,909 in volume over the last 30 days. Volume by event and outcome, with full history.

Last 30 days

Volume (30D)

$41,229,909

Active events (30D)

142

Events tracked

2,962

How This Market Settles

Tracks whether the S&P 500 index closes above a given level on a given trading day.

Settles on

Settles on the end-of-day S&P 500 index value for that date. Kalshi's contract terms note the Exchange has modified the source agency and underlying used for index markets under its Rulebook.

Structure

Above/below strike markets at multiple strikes for the same trading day. Markets close at 4:00 PM ET and expire within a week of that date.

Source

Kalshi contract terms — S&P 500 above/below (PDF)

Settlement terms checked against Kalshi's contract terms on 2026-09-25.