[Hotcoin to Convert ROBOUSDT Perpetual Contract Pre-Trading to Standard USDT-Margined Perpetual Contract] Hotcoin will convert the ROBOUSDT perpetual contract pre-trading to a standard USDT-margined perpetual contract at 17:30 (UTC+8) on February 27, 2026. After the conversion, up to 25x leverage will be supported. Existing positions will not be affected during the conversion.