Underlying Bond Market Movements: VGEB mirrors the performance of the Bloomberg Barclays Global Aggregate Bond Index. Therefore, changes in global bond yields and prices directly impact the ETF's net asset value (NAV).

Interest Rate Changes: Rising interest rates typically cause bond prices to fall, which in turn lowers the value of VGEB. Conversely, declining interest rates tend to increase bond prices and the ETF's value.

Credit Spreads: Widening credit spreads (the difference in yield between corporate and government bonds) indicate increased risk aversion and can negatively affect the value of corporate bonds held by VGEB.

Currency Fluctuations: As VGEB invests in global bonds, currency movements between the Euro (base currency) and other currencies (e.g., USD, JPY) can impact its price.

Supply and Demand: The ETF's price is also affected by the balance of buying and selling pressure. High demand can drive the price above its NAV, while heavy selling can push it below.

Expense Ratio: VGEB has an expense ratio, which is the annual fee charged to manage the fund. This fee reduces the fund's returns and therefore affects its price over time.