The price of the coins depends on the trend in them.
If there is a trend its price is growing.
Now morden trand is differen dogs coins. Their price is growing and people buy dogs coins to have more profit.
But now appear a cats coins like this
https://twitter.com/angrykittytoken/status/1479171278171000833May be the trend of 2022 will be a cats coins

The price of NFT depends too much on who create this NFT, on NFT collection and its promotion.