Realised P&L is the close-out positions' realised P&L under the current holding period.
Realised P&L=∑(closed Price-cost)*closed qty
*Under the FIFO cost algorithm, the opening fee is not calculated for the realised P&L; but it is calculated under the average cost algorithm
Total Realised P&L of account = the sum of realised P&L of all the positions.
Reminder: this formula is for reference only, please refer to the assets.