CAT Institutional Summary
Oct 29, 2026 · 3-session delay
$225MDark pool premium
$14.8MCall premium
−$8.5MNet gamma
14Sweeps
Off-exchange
Dark Pool
$225M across 67 prints. Block-size prints made up ~49% of the session.
What is dark pool data? View CAT in Dark Pool$647
$661
$658
Order flow
Options Flow
$46.5M premium, 32% calls. Buying concentrated at the $900 strike. 14 sweeps, 52 blocks.
What is options flow? View CAT in Options FlowCalls 32%Puts 68%
Dealer positioning
Gamma Exposure
Negative regime, net −$8.5M. Call wall $662 · put wall $640.
What is GEX? View CAT in Gamma ExposureThis summary is three sessions old. Watch today live.
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