Looping in DeFi Lending Looping is a strategy in which a user borrows against collateral and redeposits the borrowed funds into the same lending protocol to amplify yield. Each cycle increases the nominal return, but it also magnifies both liquidation risk and interest rate exposure. Consider a user depositing $10,000 USDC into Aave at a 5% APY. With a collateral factor of 75%, the user borrows $7,500 DAI, swaps it, and redeposits it, raising the supplied collateral to $17,500. At this stage, the annual yield grows to $875 instead of $500. After three iterations of the loop, the effective collateral rises to about $24,000, backed by $18,000 in borrowings. The gross supply yield reaches $1,200, while the borrow cost at 3% amounts to $540. Net of costs, the investor earns $660 annually, equivalent to a 6.6% APY, higher than the original 5% without leverage. The attraction of looping lies in this enhanced return, but the risks are substantial. If borrowing rates rise above supply rates, the strategy can turn unprofitable almost instantly. Likewise, a collateral price decline of 20–25% can push the loan-to-value ratio above liquidation thresholds, triggering forced deleveraging and potential capital loss. Looping therefore illustrates the central trade-off in DeFi lending: incremental yield is achievable, but only at the cost of greatly increased fragility.In practice, the integration of yield strategies into a DeFi portfolio is a balancing act. The goal is not to maximize nominal returns but to combine yield sources with complementary characteristics, ensuring that income generation, capital preservation, and growth potential are all aligned with the investor’s objectives. Understanding the nuances of each yield type enables the portfolio manager to position the portfolio for resilience in the face of market volatility and evolving protocol dynamics.