The YieldMax Ultra Option Income Strategy ETF saw the biggest inflow in units, adding 99,950,000 units, a 39.7% increase from the previous week. In morning trading, Microstrategy was up 1.1% and Robinhood Markets saw a 3.1% increase. The Calamos Autocallable Income ETF had the largest percentage increase in inflows, adding 600,000 units, a 40.0% increase in outstanding units.

Read more at Nasdaq: ULTY, CAIE: Big ETF Inflows