According to data from the Dune Analytics dashboard for ENS, the jump in four-digit ENS domain name began on April 21, with the number of overall eth. name registrations spiking from 2,721 to 21,188 by April 28.
From the past seven days, ENS domains' trading volume on OpenSea has climbed up by 3,333% to 2,613 ETH, or $7.3 million, at the time of writing. The last 48 hours have seen the most ENS NFT trading on OpenSea with the most expensive domain so far, "555.eth," selling for 55.5 ETH, or $156,821.91, on April 28.
At the time of writing, the current floor price for three-digit domains is at 6.5 ETH ($18,850), while that for four-digit domains is at 0.5 ETH ($1,450).
Holders from the 0-9999 digit ENS names have already formed an exclusive Discord channel called the 10kClub.
At the time of writing, nearly 6,000 ENS holders had joined this social club. According to its official twitter page there is no roadmap.