The two aren't comparable because one is very probabilistic in nature, the other one isn't. Also medicine doesn't change as much as the market. The fundamental

The two aren't comparable because one is very probabilistic in nature, the other one isn't. Also medicine doesn't change as much as the market. The fundamental difference is that trading is partially an art. Medicine is too, but like two hedge fund managers will have pretty different outcomes, but two surgeons will have similar outcomes.