Nope. Staking is only your choice, DeFi is not always related to stake and you are free to do anything for your coins on exchange. If you're looking for DeFi coins you can join/follow these channel: https://t.me/blockchain_lobsters, https://t.me/FomoCathers and https://t.me/cryptodakuofficial. Or you can see all DeFi coins on https://coinmarketcap.com/defi/