For what it's worth, engineers at proprietary trading firms are finding that they can get substantial productivity boosts by using LLMs and it'd be hard to find a domain that's less represented in the training data.

Does definitely require more steering than if you're churning out slop apps/websites though.

I think ocaml is fairly close to this to be honest.

The amount of effort an exchange goes through to ensure fairness varies substantially, unfortunately. Many do have measurable and consistent /semi-consistent differences between gateways that can be attributed to network asymmetries.