Performance of Underlying Assets: The fund's price directly reflects the performance of the assets (stocks, bonds, or other securities) it holds. Positive asset performance leads to price increases, while negative performance causes price decreases.

Market Sentiment: Overall investor sentiment towards the specific sectors or geographies the fund invests in plays a significant role. Positive sentiment can drive up demand and thus the price, and vice versa.

Interest Rate Changes: Interest rate fluctuations, especially when the fund holds fixed-income securities, can affect its price. Rising rates typically cause bond prices and thus the fund's value to fall, and falling rates usually do the opposite.

Currency Fluctuations: If the fund invests in assets denominated in foreign currencies, exchange rate movements can impact its price when converted back to the base currency.

Supply and Demand: Basic economics apply; higher demand for the fund relative to its available units drives the price up, while increased selling pressure pushes the price down.

Fund Expenses: Management fees, operating expenses, and other charges levied by the fund company impact the net return and, consequently, the price. Higher expenses mean less return.