The “bitcoin misery index” is the newest stat for crypto traders to agonize over. This financial metric was designed by Fundstrat Global Advisors co-founder and famous bitcoin megabull Thomas Lee. It claims to predict when to buy or sell bitcoin by ascribing a number to how “miserable” it is to own bitcoin at any given moment. The index does this by measuring the 90-day consistency of bitcoin’s price and a few other variables, then spitting out a misery number between 0 and 100. The guideline is to buy when the index is below 27 (investors are trending miserable) and to sell when the index is above 67 (investors are trending…