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Off-exchange data

LRCX Dark Pool Activity

Oct 29, 2026 · 3-session delay

$141MOff-exchange premium
45Dark pool prints
551KShares off-exchange
~$20MLargest single print

Lam Research (LRCX) traded $141M across 45 dark pool prints on Oct 29. Block-size prints made up roughly 50% of the session, concentrated between $255 and $257.

Key dark pool levels

$256187K shares · $47.8M
$257110K shares · $28.2M
$25574K shares · $19M
$█,██████K shares · $██M
16 more levels · live in the app →

Block activity

7Block-size prints
$70MCombined block premium
50%Share of off-exchange premium
~$20MLargest block
TimeSizePricePremiumType
█:██ PM███,██0$█,███.██$██.█MBLOCK
█:██ PM███,██0$█,███.██$██.█MBLOCK
The print-by-print tape · live in the app →

Off-exchange premium: Oct 23 to Oct 29, 2026

How to read this: dark pools are private venues where institutions execute large trades away from public order books; the prints are reported through FINRA shortly after execution (the guide to how dark pool trading works covers the background). Prices where unusual volume accumulates are the reference prices traders watch when the market revisits them. Learn how Robinflow tracks dark pools →

What these terms mean: Dark pool print·Dark pool levels·Trade condition codes

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More LRCX data

Dealer positioningLRCX GEXGamma by strike with call and put wallsOrder flowLRCX Options FlowPremium totals, sweeps, and top strikesOverviewLRCX Symbol OverviewEverything Robinflow tracks on LRCX

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