> It will be the same with AI. If you apply enough bright people's mind for long enough, we can possibly automate certain niche jobs, but that's going to be completely uneconomical.

The thing is, it doesn't have to be an all-or-nothing proposition. If you can write software to make a team of ten traders 10% more productive, it may be possible to do the same job with only 9 traders.

Over time, those productivity gains compound and you have literally cut in half the number of people on your trading floor.