For example: you borrow crypto at 22:55 UTC no borrowing cost is charged immediately at 23:00 UTC, the system checks your outstanding liability the applicable borrowing cost is calculated based on what remains outstanding at that time If you fully repay the borrowed asset at 22:57 UTC, before the next hourly calculation, no borrowing cost is charged for that borrowing period. Borrowing rates and the amount available to borrow can change.