BSX Institutional Summary
Oct 29, 2026 · 3-session delay
$156MDark pool premium
$496KCall premium
−$13.3MNet gamma
1Sweeps
Off-exchange
Dark Pool
$156M across 42 prints. Block-size prints made up ~54% of the session.
What is dark pool data? View BSX in Dark Pool$42
$43
Order flow
Options Flow
$2M premium, 25% calls. Buying concentrated at the $75 strike. 1 sweeps, 3 blocks.
What is options flow? View BSX in Options FlowCalls 25%Puts 75%
Dealer positioning
Gamma Exposure
Negative regime, net −$13.3M. Call wall $50 · put wall $40.
What is GEX? View BSX in Gamma ExposureThis summary is three sessions old. Watch today live.
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