Total P/L is the end-of-period Account value adjusted for the start-of-period Account value and changes resulting from cash and security transfers. Adjusting for cash and security transfers allows for an analysis of P/L without factoring in capital inflows and outflows that can inflate or deflate the P/L observed in a given period e.g. large cash deposits to the Account or losses reflected from cash withdrawals. Total P/L is measured for a specific period, such as from the beginning of the year to yesterday's end-of-day and is calculated as:
The figures in the screenshot below are used to illustrate how Total P/L is calculated.
Total P/L calculation:
Learn more about account value and how it is calculated here