There are low chances for another rise, like the one in 2017. But that doesn't mean that similar thing could not happen again. Time for regulations are coming, countries will need to decide what to do with crypto. News reports about it, people know that regulations are coming, sooner or later. So if countries decisions are favorable for crypto, that could create another jump in prices.
~ a lot of altcoins are going to die.
Of course some of altcoins are going to die, in time only good ones will survive. That is nothing new for crypto market.