The part of this sequence which I think breaks down is a model which can day trade at a consistently winning rate.

Does this exist for today? If it does, please sign me up.

They don't even need funds if they're good at finding exploits. Plenty of idle devices around to run on.

The question is whether this OpenAI model was special or the current open source models are capable of this as well. If yes, then it's almost guaranteed that it's already running in an AWS account somewhere.