SP500 (SP500) Open Interest
Total SP500 futures open interest with a 30-day trend and per-exchange split.
$6.01M
Open Interest
USD notional, all venues
-15.16%
30-Day Change
vs $7.09M
1
Exchanges
with live SP500 futures OI
Largest Venue
100.0% share
SP500 Open Interest — Last 30 Days
Hourly total USD notional across all tracked exchanges
Rising open interest with rising price signals new money entering SP500 longs; falling OI signals positions being closed.
SP500 Open Interest by Exchange
Latest hourly snapshot · USD notional and market share
| Exchange | Open Interest | Share |
|---|---|---|
| $6.01M | 100.0% |