The Bored Ape Yacht Club NFT collection has become one of the most popular NFT collections of all time, and its spin-off NFT collection isn't far behind. After a Mutant Ape was sold for $3.6 million worth of ETH on NFT marketplace OpenSea, trade volume for the Mutant Ape Yacht Club, a by-product NFT collection produced by combining mutant serums' with Bored Ape NFTs, increased by 500 percent.