look at altcoins market price is now very low, all altcoins its price down, I want to ask, whether at the end of the year altcoins prices remain down, or will rise?
This is a difficult question as nobody can predict the prices of cryptocurrency. All we can do is to research every currency and find out if they had a working products available that can attract investors to put money on them. You need to trust that currency that it will grow in the future.