In my opinion, it's completely depend on situation. Here you have to see where you invest, in alt-coin or Bitcoin.  Currently the market condition is not very good.  So investing in alt-coins is very risky but some top coins are out of them.  For example, BNB, Ethereum, LTC, Matic etc. I think if you have invested in them, then it is definitely necessary to hold them now.  Bitcoin must be added to this.  I think it is best to hold at this time because there is no need to worry about security and profit must come if you hold.