SPY Dark Pool Activity
Oct 29, 2026 · 3-session delay
$1.2BOff-exchange premium
520Dark pool prints
1.5MShares off-exchange
~$45MLargest single print
State Street SPDR S&P 500 ETF Trust (SPY) traded $1.2B across 520 dark pool prints on Oct 29, about 9% below its recent average. Block-size prints made up roughly 22% of the session, concentrated between $768 and $770.
Key dark pool levels
Block activity
22Block-size prints
$259MCombined block premium
22%Share of off-exchange premium
~$45MLargest block
| Time | Size | Price | Premium | Type |
|---|---|---|---|---|
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
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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