DIA Dark Pool Activity
Wednesday, September 9, 2026 · 3-session delayed summary
$196MOff-exchange premium
58Dark pool prints
374KShares off-exchange
~$10MLargest single print
State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) traded $196M across 58 dark pool prints on Sep 9. Block-size prints made up roughly 54% of the session, concentrated between $524 and $525.
Key dark pool levels
Block activity
16Block-size prints
$106MCombined block premium
54%Share of off-exchange premium
~$10MLargest block
| Time | Size | Price | Premium | Type |
|---|---|---|---|---|
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
Off-exchange premium: Sep 2 to Sep 9, 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. Prices where unusual volume accumulates often act as support or resistance when revisited. Learn how Robinflow tracks dark pools
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