[Hotcoin to Launch PBRUSDT, NAmericaDT, MDTUSDT, GRALUSDT, YPFUSDT, VISTUSDT Perpetual Contract Trading] Hotcoin will launch perpetual contracts for PBR, NU, MDT, GRAL, YPF, and VIST, including Petrobras and Medtronic, on October 20, 2026, at 19:00 (UTC+8).