Doraemon teaches you how to calculate contract profits and losses step by step: Taking the BOBUSDT perpetual short position as an example, opening price 0.0242291, marked price 0.0245360, position value 71.41, unrealized profit and loss -0.92.
Key points summary
① You hold a value position, not a number of coins!
② To calculate profits and losses, you must use the actual position quantity!
