If you go back and compare the Monthly Share Volume Reports for Sept. and Aug. you'll see that no MM had a huge increase in volume (at least not more than 5 million and that was HDSN). The next closest gain was STXG of about 2.5 mil.
This means SVP spread 22 million shares across all types of MM's.
By watching the L2 you could never pinpoint any one MM accumulating large ,large amounts.
Now we've been watching some obvious buying by certain MM's these days. They've almost parked at the top of the bid consistently through this whole last 5 day drop in PPS.
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