[Index Performance]: IYF.MX tracks the performance of a specific index. The underlying index's fluctuations directly impact the ETF's price. A rising index generally lifts the ETF's value, while a declining index typically lowers it. [Supply and Demand]: Market forces of supply and demand play a crucial role. High demand can drive up the price, while increased selling pressure can push it down. Trading volume and investor sentiment influence these dynamics. [Expense Ratio]: While not directly affecting intraday price, the expense ratio impacts long-term returns. A higher expense ratio means more of the ETF's assets go towards fees, potentially reducing overall gains compared to similar ETFs with lower fees. [Interest Rates]: Changes in interest rates can affect the valuations of companies held within the IYF.MX ETF. Higher rates can make borrowing more expensive for companies, potentially impacting their profitability and stock prices. [Economic Conditions]: Overall economic health significantly influences stock market performance. Strong economic growth usually leads to increased corporate earnings and higher stock prices, benefiting the ETF. Conversely, economic downturns can negatively affect the ETF's value.