I once worked for a software shop, and part of my job was writing trading code in a proprietary language for customers, who ranged from low end day traders to 8

I once worked for a software shop, and part of my job was writing trading code in a proprietary language for customers, who ranged from low end day traders to 8 figure annual revenue hedge funds. I had access to all kinds of tools, and saw many a varied strategy. There's quite a lot of money to be made selling solutions. I won't day trade.