> Quant firms for the stock market in the early 90s did not work overnight even though the market was much more inefficient than it is now. It takes time for gr

> Quant firms for the stock market in the early 90s did not work overnight even though the market was much more inefficient than it is now. It takes time for groups of highly qualified and very smart people to figure this stuff out - but, they will. This example works against you. Quant firms did succeed but they did not corner the stock market nor are they cause for concern. There is a long history of firms that failed to corner a market or become a monopoly. True natural monopolies are extremely rare and don't typically last very long.