Underlying Asset Performance: The primary driver is the performance of the assets held within the fund. If the fund invests in stocks, the stock market's movements heavily influence its price.

Interest Rate Changes: Interest rate fluctuations can impact bond values and, indirectly, stock valuations, affecting fund performance.

Economic Conditions: Broad economic indicators like GDP growth, inflation, and unemployment can influence market sentiment and company profits, impacting fund assets.

Fund Manager Skill: The fund manager's investment decisions and asset allocation strategies directly affect the fund's returns.

Investor Sentiment: Market psychology and investor confidence can lead to buying or selling pressure, impacting fund prices.

Currency Fluctuations: For funds investing internationally, currency exchange rates impact returns when translating foreign assets back to the base currency.

Expense Ratio & Fees: The fund's operating costs, including management fees and other expenses, reduce the fund's overall return and therefore its price.

Supply and Demand: Basic market forces of supply and demand for the fund units themselves influence the price.

Geopolitical Events: Global political events, regulatory changes, and trade policies can create market volatility and affect investment values.

Fund Flows: Large inflows or outflows of capital can influence fund performance, especially for smaller funds.