The Singapore exchange has added tether (USDT) perpetual contracts to simplify account management and allow two-way trades.
Source: https://www.coindesk.com/bybit-enables-two-way-trading-with-perpetual-contracts-quoted-in-tether
Bybit Enables Two-Way Margin Trading With Perpetual Contracts Quoted in Tether
March 24, 2020
CoinDesk
