So to summarize, the opportunity of pattern trading is self-fulfilling, which also means if any become unfashionable then the signal will cease to exist. From t

So to summarize, the opportunity of pattern trading is self-fulfilling, which also means if any become unfashionable then the signal will cease to exist. From that fact alone we can conclude there is no basis in the economic reality of the business or its public stock. Greater fool theory, essentially.