Underlying Asset Performance: The primary driver is the performance of the assets (stocks, bonds, etc.) held within the fund. Positive returns increase the fund's Net Asset Value (NAV).

Market Conditions: Overall market sentiment (bullish/bearish), economic indicators (interest rates, inflation), and geopolitical events influence investor confidence and demand for the fund.

Fund Flows: Investor subscriptions (inflows) increase the fund's assets, while redemptions (outflows) decrease them, impacting the NAV and potentially requiring portfolio adjustments.

Management Fees and Expenses: The fund's expense ratio (management fees, operational costs) directly reduces returns, impacting the net asset value available to investors.

Currency Fluctuations: If the fund invests in assets denominated in currencies other than the base currency of the fund, exchange rate changes can affect the fund's value.

Fund's Investment Strategy: The specific investment strategy (e.g., growth, value, income) and the manager's skill in executing it influence the fund's performance relative to its benchmark.

Supply and Demand: Market demand for the fund's shares can influence its price, especially if the fund is traded on an exchange.

Index Tracking (if applicable): If the fund is designed to track a specific index, its price will be influenced by the performance of that index.