to what extent the price decline will occur no one can know for sure, but now it looks like the sharp decline has ended the price has stabilized in the last 24 hours. maybe if you believe that Bitcoin or Altcoin will be able to get back up at a time like this it is very appropriate to buy.
however, I myself believe that the market will recover until I have exchanged my stablecoin for several Altcoins that I believe in.
I think, this is the right time to buy bitcoin or altcoin because their price has decreased to the level where both long term traders and short term traders can use a huge amount of capital to buy bitcoin and hold for a better future to come. Now that the price of bitcoin has dropped down to $28,000 few hours ago, it will be favourable for people to use this opportunity to invest more money on bitcoin because the price is preparing to increase higher for people to start earning profit from their investment. I believe before the end of this month bitcoin and altcoins price will hit higher for those that invested when the price is low to start rejoicing.