Fund Performance: FATN11.SA's price directly reflects its investment portfolio's performance. Higher returns typically lead to increased demand and price. Benchmark Index Movements: As an index-tracking fund, FATN11.SA's price is heavily influenced by the performance of its benchmark index. Interest Rate Changes: Changes in interest rates impact the attractiveness of fixed-income investments like those held by FATN11.SA. Market Sentiment: Overall market optimism or pessimism can impact investor appetite for risk assets, affecting fund demand and price. Supply and Demand: The forces of supply and demand in the market directly influence the price of FATN11.SA shares. Fund Expenses: The management fees and other expenses charged by the fund can affect its net asset value and thus its market price.