JPST Dark Pool Activity
Wednesday, September 9, 2026 · 3-session delayed summary
$66.5MOff-exchange premium
23Dark pool prints
1.3MShares off-exchange
~$27MLargest single print
JPMorgan Ultra-Short Income ETF (JPST) traded $66.5M across 23 dark pool prints on Sep 9, about 17% below its recent average. Block-size prints made up roughly 40% of the session, concentrated between $50 and $50.
Key dark pool levels
$50
$50
$50
Block activity
1Block-size prints
$26.8MCombined block premium
40%Share of off-exchange premium
~$27MLargest 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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