Not really. Future contracts will also track the probability of asteroid mining feasibility. The markets are always fully discounting whatever information is av

Not really. Future contracts will also track the probability of asteroid mining feasibility. The markets are always fully discounting whatever information is available. The price of gold will crash before the first rocket will take off. Many centuries ago, speculators would sit in harbors and when they noticed a ship on the horizon they would immediately start shorting on the market the commodity supposed to be on that ship.