HYG Dark Pool Activity
Tuesday, September 8, 2026 · 3-session delayed summary
$265MOff-exchange premium
55Dark pool prints
3.4MShares off-exchange
~$40MLargest single print
iShares iBoxx $ High Yield Corporate Bond ETF (HYG) traded $265M across 55 dark pool prints on Sep 8, about 38% below its recent average. Block-size prints made up roughly 72% of the session, concentrated between $79 and $79.
Key dark pool levels
Block activity
15Block-size prints
$191MCombined block premium
72%Share of off-exchange premium
~$40MLargest block
| Time | Size | Price | Premium | Type |
|---|---|---|---|---|
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
| █:██ PM | ███,██0 | $█,███.██ | $██.█M | BLOCK |
Off-exchange premium: Sep 1 to Sep 8, 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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