Need to Know: When one of history’s ‘greatest trades’ finally blows up, it could get ugly all over

Bitcoin’s face-melting rally toward $10,000 is the talk of Wall Street these days, but if it is, indeed, the dangerous bubble many believe it to be, its inevitable implosion will pale in comparison to the potential damage caused by the demise of one of the best trades the stock market has ever seen: Shorting the VIX.