I am shrouq and I'm an expert java , C++ and object oriented
I read your requirements, but I need more specific information about the app you want,
but I can create interfaces for your application that allow trader to add the data you want and , i can add the the verification feature of data to avoid wrong data, and then store it inside Databases or in an Excel file as you like automatically and not manually.
don't hesitate to chat with me .