IWM (IWM) Open Interest
Total IWM futures open interest with a 30-day trend and per-exchange split.
$3.05M
Open Interest
USD notional, all venues
-27.65%
30-Day Change
vs $4.22M
9
Exchanges
with live IWM futures OI
Largest Venue
23.2% share
IWM Open Interest — Last 30 Days
Hourly total USD notional across all tracked exchanges
Rising open interest with rising price signals new money entering IWM longs; falling OI signals positions being closed.
IWM Open Interest by Exchange
Latest hourly snapshot · USD notional and market share