This should be a supply and demand problem affecting the bitcoin price, because there is and inflation in prize more customers with large quantity of Bitcoin will want to sell for profit and costumers buying are few because the inflation of prize,so the supply is now more than the demand.
with all this new money coming in even if this is the case it wont be in the near future
soon the supply will not be able to meet the demand and after all the supply is capped at 21mil
then alts will really get pumped