This is one of the most loggerhead discussions about the bitcoin market, should I hold or sell, so I want this to be a tread of your opinions and why

I will go first
 
  The idea of either holding or selling your coins is always done with speculations and fear of the unknown in most cases(not all) however I feel this decision is not supposed to be based on arbitrary and random speculations, it should be done with proper analysis considering the economic and technical implications in the coin, whybwas the coin created  by who if possible, what else can the coin be used for etc   btc for example is gaining more and more global traction on a daily basis for so many reasons.  with this kind of economic information dded with the technical formation of the coin, decisions about holding or selling is almost 50% solved
  So I would prefer to hold for as long as possible, since coins generally do well with time