Sock Cat
The Sock Cat is an EXCLUSIVE pet that was only available from the Exclusive Shop. It was released in the Bank Update. It is one of 3 “Sock” pets in the game.
The latest Pet Simulator X value list for Sock Cat can be found below:

Regular
💎 11,200,000,000 (11.2b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available