I would like to edit my initial reply to "So you want to build a system that buys/sells bitcoin to maximize profits?"

I didn't mean to bring up USD as a distraction.  You want to build a bot that increases the amount of bitcoin you hold, right?

You may find interest here in such a project.    Can you identify what part you play?  Your replies bounce between "I/My" and "We/Our".    Are you a sole developer, or do you have a team?