Home/Symbols/Dark Pool/IYZ
Off-exchange data

IYZ Dark Pool Activity

Oct 29, 2026 · 3-session delay

$84.1MOff-exchange premium
12Dark pool prints
2.1MShares off-exchange
~$45MLargest single print

iShares U.S. Telecommunications ETF (IYZ) traded $84.1M across 12 dark pool prints on Oct 29, about 308% above its recent average. Block-size prints made up roughly 77% of the session.

Key dark pool levels

$402.1M shares · $84.1M

Block activity

4Block-size prints
$64.6MCombined block premium
77%Share of off-exchange premium
~$45MLargest block
TimeSizePricePremiumType
█:██ PM███,██0$█,███.██$██.█MBLOCK
█:██ PM███,██0$█,███.██$██.█MBLOCK
The print-by-print tape · live in the app →

Off-exchange premium: Oct 19 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 IYZ data

Dealer positioningIYZ GEXGamma by strike with call and put wallsOrder flowIYZ Options FlowPremium totals, sweeps, and top strikesOverviewIYZ Symbol OverviewEverything Robinflow tracks on IYZ

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