Underlying Index Performance: IQQU.F tracks a specific index. The ETF's price heavily depends on the performance of the underlying assets within that index. Positive index movements generally lead to higher ETF prices, and vice versa. Supply and Demand: General market supply and demand for IQQU.F shares also influence its price. Increased buyer interest often drives the price up, while higher selling pressure can cause it to fall. Foreign Exchange Rates: As a foreign-listed ETF, fluctuations in the exchange rate between the currency of listing (likely EUR) and the currencies of the underlying assets can significantly impact the ETF's price when viewed from a non-EUR perspective. Trading Volume and Liquidity: Higher trading volume and liquidity typically mean tighter bid-ask spreads and easier execution of trades, potentially leading to more stable and predictable price movements. Lower liquidity can result in greater price volatility. Management Fees and Expenses: Although indirectly, the ETF's expense ratio can affect its relative attractiveness to investors. Higher fees might make it less appealing compared to similar, lower-cost ETFs, potentially affecting demand and price.