The 4 largest USD vaults as of today (30d trailing APY): - Sky Savings USDS (4.0% APY) - Aave USDT (2.0% APY) - Aave USDC (2.3% APY) - Ethena sUSDe (3.6% APY) Over the last 30 days, Sky sUSDS has added $1.5B TVL while Aave aUSDC/T and Ethena sUSDe saw net outflows.