IWM Institutional Summary
Wednesday, September 9, 2026 · 3-session delayed summary
$257MDark pool premium
$16.4MCall premium
−$1.7BNet gamma
143Sweeps
Off-exchange
Dark Pool
$257M across 117 prints. Block-size prints made up ~21% of the session.
View IWM dark pool What is dark pool data?$291
$293
$291
Order flow
Options Flow
$143.4M premium, 11% calls. Buying concentrated at the $279 strike. 143 sweeps, 120 blocks.
View IWM options flow What is options flow?Calls 11%Puts 89%
Dealer positioning
Gamma Exposure
Negative regime, net −$1.7B. Call wall $310 · put wall $290.
View IWM gamma exposure What is GEX?This summary is three sessions old. Watch today live.
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