Binance margin fees: 0.1% trading fee plus hourly interest on what you borrow
Margin trades on Binance pay the spot trading fee on the full order, and the borrowed coin accrues interest every hour. On 13 October 2026 the regular-user rate for USDT was 0.00053771% an hour, about 0.129 USDT a day per 1,000 borrowed.