This article explores the complexities and challenges of yield farming in DeFi, focusing specifically on PnL calculation and reconciliation. It highlights the evolution of DeFi farming, showcasing new strategies and protocols such as Pendle, which offers innovative yield tokenization through Principal Tokens (PT) and Yield Tokens (YT). The article explains how these strategies provide both fixed and variable yield exposure and stresses the importance of specialized tools for tracking and calculating returns from yield farming.