[Huobi HTX Has Launched HK1810, SOFISTOCK, SOXX, POPMART Perpetual Contracts] According to Deep Tide TechFlow, on July 23, as per the official announcement, Huobi HTX launched HK1810/USDT, SOFISTOCK/USDT, SOXX/USDT, and POPMART/USDT perpetual contracts on July 23, with a maximum leverage of 10x.