Altcoins that have utility like Hashbit recently experienced a decline of 90% and all altcoins will experience the same thing when those utilities are not used by the crypto community, in contrast to memecoins that have no utility, their price goes up due to fomo and from whales.
But if I look at BTC, so far the price of Bitcoin has gone up due to the number of requests and Halving BTC, we can see it from the existing historical data.