[Binance to Launch Multiple US Stock U-Margined Perpetual Contracts Including MSTR and AMZN] BlockBeats reports that on February 5, Binance will begin the phased launch of five US stock U-margined perpetual contracts—MSTRUSDT, AMZNUSDT, CRCLUSDT, COINUSDT, and PLTRUSDT—starting at 22:30 (UTC+8) on February 9, all supporting up to 10x leverage.