Investment Performance: The underlying assets' performance directly influences the fund's Net Asset Value (NAV). Positive returns in the fund's holdings drive the price up, and vice versa.

Market Sentiment: Overall market conditions and investor confidence can impact demand for the fund. Bull markets often see increased investment, pushing prices higher, while bear markets can lead to redemptions and price declines.

Fund Flows: Significant inflows into the fund can increase demand and potentially raise the price. Conversely, large outflows, particularly due to investor redemptions, can pressure the price downwards.

Expense Ratio: The fund's operating expenses, including management fees and administrative costs, impact the net return available to investors, which affects the price. Higher expenses can lower the fund's overall appeal.

Sector Performance: If the fund concentrates on a specific sector, the performance of that sector heavily influences the fund's price. For example, if it's a tech fund, the tech sector's health will matter a lot.

Currency Fluctuations: For funds investing in assets denominated in foreign currencies, exchange rate movements between the fund's base currency and the foreign currencies can affect the fund's value and thus the price.