SPY Institutional Summary
Oct 29, 2026 · 3-session delay
$1.2BDark pool premium
$93.9MCall premium
−$1.7BNet gamma
352Sweeps
Off-exchange
Dark Pool
$1.2B across 520 prints. Block-size prints made up ~22% of the session.
What is dark pool data? View SPY in Dark Pool$769
$768
$770
Order flow
Options Flow
$316.9M premium, 30% calls. Buying concentrated at the $775 strike. 352 sweeps, 504 blocks.
What is options flow? View SPY in Options FlowCalls 30%Puts 70%
Dealer positioning
Gamma Exposure
Negative regime, net −$1.7B. Call wall $800 · put wall $765.
What is GEX? View SPY in Gamma ExposureThis summary is three sessions old. Watch today live.
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