What Is Yield Aggregator?
A yield aggregator is a DeFi platform that automatically optimizes yields by deploying user deposits to the highest-returning opportunities across multiple protocols. Instead of manually monitoring and moving funds between Aave, Compound, and other lending protocols, a yield aggregator does this automatically, saving gas costs and maximizing returns.
How Yield Aggregator Works
Yield aggregators operate through automated strategies (vaults) that monitor rates across protocols and rebalance when more attractive opportunities emerge. They also auto-compound — claiming reward tokens and reinvesting them to create compound interest. Popular yield aggregators include Yearn Finance, Beefy Finance, and Convex Finance, each with different strategy focuses.
Why It Matters for Traders
Yield aggregators charge management and performance fees but often deliver better net returns than manual farming because they optimize gas costs (batching transactions for all users), compound more frequently (reinvesting hourly rather than weekly), and access institutional strategies that individual users can't replicate. They're the simplest way to earn competitive DeFi yields with minimal active management.