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Symbol overview

DIA Institutional Summary

Wednesday, September 9, 2026 · 3-session delayed summary

$196MDark pool premium
$1.2MCall premium
−$39.2MNet gamma
5Sweeps
Off-exchange

Dark Pool

$196M across 58 prints. Block-size prints made up ~54% of the session.

View DIA dark pool →   What is dark pool data?
$525
$525
$524
Order flow

Options Flow

$1.9M premium, 66% calls. Buying concentrated at the $370 strike. 5 sweeps, 15 blocks.

View DIA options flow →   What is options flow?
Calls 66%Puts 34%
Dealer positioning

Gamma Exposure

Negative regime, net −$39.2M. Call wall $550 · put wall $510.

View DIA gamma exposure →   What is GEX?

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