I'm not aware of any other decentralized protocol that offers this type of feature. Injective Protocol does offer a variety of decentralized finance (DeFi) services, such as asset trading, derivatives, and synthetic asset creation, but I don't believe that it offers the ability to track the price action of stocks. You may want to look into decentralized exchanges, such as Uniswap, 0x, and 1inch, as they may offer some limited support for tracking the price action of stocks