Underlying Index Performance: The primary driver. IS3J.F tracks an index, so its price closely mirrors the index's performance. If the index rises, IS3J.F's price typically increases, and vice-versa. Supply and Demand: General market forces. High demand for IS3J.F can push its price slightly above its net asset value (NAV). Conversely, high selling pressure can cause it to trade at a discount. Net Asset Value (NAV): Reflects the value of holdings. IS3J.F's NAV is calculated by summing the value of its underlying assets and dividing by the number of outstanding shares. The market price will trend toward NAV. Currency Fluctuations: If IS3J.F holds assets in different currencies, exchange rate movements can impact its price. A weakening Euro vs the currency of its holdings will decrease the Euro-denominated price. Interest Rates: Can influence valuations. Changes in interest rates, particularly for the countries the ETF invests in, affect the valuation of underlying assets and, thus, the ETF's price. Market Sentiment: Overall investor optimism or pessimism. Broad market trends can affect investor appetite for the assets IS3J.F holds, impacting its price regardless of fundamentals. Expense Ratio: Indirect impact on long-term returns. A higher expense ratio can slightly erode the long-term returns and, therefore, the attractiveness, subtly influencing its price over extended periods.