The “Transaction history” page gives you a series of options to track your activity with Colossus Fantasy, including deposits, withdrawals and P&L for any selected period. On the app, use the ‘hamburger’ menu on the right, then click “Transaction history“.
Note that the P&L option counts the entry as a loss on the day you place it, including contributions to Squad entries that are not yet filled, and any returns from entries are counted as profit on the day such returns are applied to your account, including adjustments for voided Squad contributions.