trading platform robinhood markets inc hood on monday said user accounts ticked higher monthovermonth in february but said other metrics remained the same over that time net cumulative funded accounts  or accounts into which users put money or other assets  rose by around 50000 to 231 million monthly active users at the end of february were 12 million the same as in january assets under custody at the end of last month were 747 billion in line with levels in january trading volumes rose for stocks rose 25 and 8 for options contracts while crypto trading volumes fell 7 margin balances in february rose by around 300 million to 33 billion cash sweep balances in february were 8 billion up around 900 million from january shares dipped 01 after hours this content was created by marketwatch which is operated by dow jones  co marketwatch is published independently from dow jones newswires and the wall street journal