Simply use excel, copy and paste from confirmations page of online broker
once week/month manually reconcile for +/- $ (wage)
During the heat of the moment I use basic visual management, just like the old days, white board marker and template showing
stock, exit price, entry qty, date
Trading balance (I personally don't use credit available from broker) Available capital (trading balance, T+3), total trades, open trades, win ratio, $ outcome.
Tax comes out of my speculative portfolio fund allocation at EOY (march/april/may)
