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Symbol overview

MRK Institutional Summary

Oct 29, 2026 · 3-session delay

$80.5MDark pool premium
$4MCall premium
+$28.7MNet gamma
3Sweeps
Off-exchange

Dark Pool

$80.5M across 23 prints. Block-size prints made up ~54% of the session.

What is dark pool data? View MRK in Dark Pool →
$148
$146
$149
Order flow

Options Flow

$4.9M premium, 80% calls. Buying concentrated at the $185 strike. 3 sweeps, 4 blocks.

What is options flow? View MRK in Options Flow →
Calls 80%Puts 20%
Dealer positioning

Gamma Exposure

Positive regime, net +$28.7M. Call wall $150 · put wall $130.

What is GEX? View MRK in Gamma Exposure →

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