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

Regular
💎 31,400,000,000 (31.4b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available