Yahoo Finance analysis indicates that the iShares 3-7 Year Treasury Bond ETF (IEI) performs better in terms of cost and volatility, despite its yield (3.7%) being slightly lower than the Fidelity Investment Grade Bond ETF (FIGB) at 4.1%. The report suggests that unless yield is the primary consideration, IEI is the superior choice, as it offers a smoother investment experience with a lower expense ratio and a smaller five-year drawdown.