Government Bond Yields: FIEB tracks investment-grade US bonds; rising yields typically lower bond prices, impacting FIEB negatively.

Interest Rate Changes: Federal Reserve actions on interest rates influence bond yields and FIEB's value; hikes tend to decrease, cuts tend to increase.

Credit Spreads: Widening credit spreads indicate increased risk aversion, potentially lowering bond values within FIEB and its price.

Inflation Expectations: Higher inflation expectations can drive yields up, decreasing bond prices, thereby pressuring FIEB's price downward.

Economic Growth: Strong economic growth may lead to higher interest rates, negatively affecting FIEB; slow growth may boost FIEB.

Market Sentiment: Overall investor attitude toward risk and safety can drive demand for bonds; risk-off sentiment may increase demand for FIEB.

Supply and Demand: Increased issuance of similar bond ETFs can dilute investment and pressure FIEB; high investor demand can increase its price.