Fund Performance: The historical and current performance of the fund's investments impacts its price. Strong returns usually lead to higher demand and price appreciation.

Market Conditions: Overall market sentiment, economic indicators, and global events influence the value of the assets held within the fund and therefore the fund price.

Fund Management: The skill and strategy of the fund managers in selecting and managing investments affect the fund's profitability and consequently its price.

Investor Demand: High demand for the fund drives up the price, while increased selling pressure can lead to a price decrease.

Expense Ratio: The fund's operating expenses, including management fees, affect the net return to investors and influence the price relative to similar funds.

Underlying Asset Values: The price of the underlying assets (stocks, bonds, etc.) in the fund's portfolio directly influences the fund's overall price.

Currency Fluctuations: If the fund invests in assets denominated in a foreign currency, exchange rate movements will affect the fund's price when expressed in euros.