Price volatility is not a disadvantage of bitcoin instead it is advantage to investors who invest in bitcoin.  Without the volatility of bitcoin there will be nothing like profit in bitcoin,  no volatility there won't be any investment.  The volatility that bitcoin has is what makes bitcoin to be an investment.  Volatility is what makes bitcoin to be better than fiat. Having fiat in the bank for a very longtime, instead of the money to add value it will depreciates but in bitcoin the case is deferent, hodling Bitcoin for a very longtime volatility makes it to have good values.  Bitcoin has good volatility which is good and fair compare to other cryptocurrencies that volatility is not reliable, the price can go up and when it falls it will never increase again.