Underlying Asset Performance: VG1.AU is an ETF tracking global government bonds. The price closely mirrors the performance of those bonds. Rising bond prices generally increase VG1.AU's price, while falling prices decrease it.

Interest Rate Changes: Interest rate hikes typically decrease bond values as newly issued bonds offer higher yields, making existing bonds less attractive. Conversely, rate cuts usually increase bond values.

Inflation Expectations: Higher inflation erodes the real value of fixed-income investments like government bonds. Increased inflation expectations can lead to lower bond prices and subsequently a lower VG1.AU price.

Currency Fluctuations: As VG1.AU invests in global bonds, currency exchange rates impact its value when converted back to Australian dollars. A stronger AUD relative to the currencies of the underlying bond issuers can decrease returns.

Market Sentiment: General investor risk appetite significantly affects bond demand. During times of economic uncertainty, investors often flock to the relative safety of government bonds, increasing their prices and VG1.AU's price.