Interest Rate Model

Definition ∞ An interest rate model is a mathematical framework used in finance to describe and predict the behavior of interest rates over time. In decentralized finance (DeFi), these models determine the borrowing and lending rates for various digital assets within a protocol. They typically adjust rates dynamically based on factors like asset utilization, supply, and demand to maintain market equilibrium. These models are fundamental to the functionality and stability of DeFi lending platforms.
Context ∞ The effectiveness and fairness of interest rate models in DeFi protocols are under constant review, especially concerning market volatility and liquidity risks. Discussions often address how these algorithms respond to sudden shifts in asset prices or user activity, and their potential for cascading liquidations. Future developments aim to incorporate more sophisticated risk parameters and external market data to create more resilient and adaptive models. Understanding these models is vital for participants in decentralized lending and borrowing.