Investment Performance: The fund's gains or losses directly impact its Net Asset Value (NAV), which determines its price. Positive performance raises the price; negative performance lowers it.

Market Conditions: Broader market trends, such as economic growth or recessions, and investor sentiment influence the overall demand and supply for the fund, thus impacting its price.

Expense Ratio: The fund's operating expenses (management fees, administrative costs) reduce the overall return, indirectly affecting the price compared to similar funds with lower expenses.

Fund Flows: Large inflows of money into the fund can temporarily increase demand and potentially the price, while outflows can decrease demand and price.

Underlying Asset Performance: The performance of the assets (stocks, bonds, etc.) held within the fund is a primary driver of its price. Poor performance of holdings leads to price decreases.

Currency Fluctuations: If the fund invests in assets denominated in foreign currencies, exchange rate movements can impact the fund's value and price when translated back to the base currency.