> “The market knows the future and has already completely priced it in” is disproved every time the market moves Well at best you can know the future probabili

> “The market knows the future and has already completely priced it in” is disproved every time the market moves Well at best you can know the future probabilistically. The fair price of flipping a coin and getting $2 on heads is $1, but once the coin is flipped, you have new information, and the fair price is either $2 (if it landed heads) or $0 (if tails).