Underlying Assets Performance: The primary driver is the performance of assets held within the fund, e.g., stocks, bonds. Positive performance increases the fund's value.

Market Conditions: Broader economic conditions, investor sentiment, and global events influence the market and impact the value of the fund's holdings.

Interest Rates: Changes in interest rates, particularly if the fund holds bonds, can affect the fund's net asset value (NAV).

Currency Fluctuations: If the fund invests in assets denominated in other currencies, exchange rate movements will affect returns when converted back to EUR.

Fund Management Decisions: Decisions made by the fund manager, regarding asset allocation and security selection, significantly influence the fund's performance.

Expenses and Fees: Management fees, operating expenses, and other charges reduce the fund's overall returns, affecting its price.

Supply and Demand: Market forces related to buying and selling pressure for fund shares can cause its trading price to deviate slightly from its NAV.