Shorting with leverage, the annual interest rate on leverage is 81%, which is not considered expensive compared to the fees, then go long on the contract with a negative 3 fee, using ten times leverage, as long as you can hold for a few seconds, the yield rate can be 30% directly, each account can borrow a maximum of 2500 U of currency, so position control should be within this range, is anyone ready to make a move at 12 o'clock: $ATA