I will list some reasons:
Growth Potential: Ethereum is one of the main cryptocurrencies on the market, and its growth potential is significant due to its expanding technology and ecosystem.
Platform for Decentralized Applications (DApps): Ethereum is a platform that allows the development of decentralized applications, which attracts many developers and investors interested in its innovation potential.
Smart Contracts: Ethereum introduced smart contracts, which are self-executing programs that work without the need for intermediaries. This has applications in several areas, including finance, real estate, insurance, and many others.
Interoperability: Ethereum supports a wide range of ERC-20 and ERC-721 tokens, which allows for interoperability between different projects and tokens within the Ethereum ecosystem.
Constant Updates: The Ethereum development team is constantly working on updates to improve the scalability, security and efficiency of the network, such as the transition to Ethereum 2.0, which aims to resolve scalability and energy consumption issues.
Inflation Hedge: Ethereum has a maximum supply limit, which means it is a hedge against inflation, unlike fiat currencies which can be overprinted.
Liquidity: Ethereum is one of the most liquid cryptocurrencies, meaning it is easy to buy and sell, allowing investors to enter and exit the market with relative ease.