The price floor (the lowest possible acquisition cost) of many NFTs has pushed higher recently, but sales volume has not picked up.

In the last seven days, ethereum-based collection CryptoPunks has increased more than 19% to a floor price of nearly 31 ethereum, worth over $70,000, while Bored Ape Yacht Club NFTs have jumped 26% to 9.5 ethereum, or $21,692, according to analytics platform NFTPriceFloor.

Pudgy Penguins has increased 20%, Chromie Squiggle has rallied 29%, and anime-inspired Azuki has gained over 44% in the period.

Zooming out, however, the ongoing rally has not coincided with growing trading volume. Weekly sales volume since last April has been on a gradual decline,…