Hourly interest has grown in 100 times (2.28310500 / 0.02283100): so my hourly interest fee = 717.95000000 * 2.28310500 / 100 * 1.5 = 24.5 USDT I borrowed 717.95 API3, see more information: Finally my trading profit was about 30 USDT: but I paid 65 USDT as interest fee, so I lost 35 USDT. At the same time futures founding fee was -2.0%: My interest payments: Within a couple of hours the interest fee dropped to 0.36404358% hourly (3189.0218% annual):
