The recent boom can be attributed to the fact that punks are wrappable now so they can be sold in marketplaces, pairing that with the RARI airdrop incentive then you have a good moonmix.
A lot of defi chads were bulk buying punks since NFTs are hot right now, and also there was a flipping insanity taking over the rest of the people like a gold rush, some artists even have turned punk flippers overnight... However a lot of the momentum has stopped and we see a small drop in prices things can go both ways from here it seems.