Underlying Holdings Performance: ITDG.US's price directly reflects the performance of the gold mining companies it holds.

Gold Prices: As gold miners' profitability hinges on gold prices, their stock values, and thus ITDG.US, are sensitive to fluctuations in gold prices.

Market Sentiment: Overall investor risk appetite impacts demand for gold and gold miners. A risk-off environment often boosts gold, benefiting ITDG.US.

Economic Data: Inflation, interest rates, and economic growth data can influence gold's attractiveness as an investment, thereby affecting ITDG.US.

Geopolitical Events: Political instability or crises often drive investors to safe-haven assets like gold, increasing demand for ITDG.US.

Company-Specific News: News about individual gold mining companies in ITDG.US, such as production issues or discoveries, can impact the ETF's price.

Currency Fluctuations: Changes in currency exchange rates, particularly between the US dollar and currencies of countries where gold miners operate, can affect profitability and ITDG.US.