Fund Performance: The fund's historical and current performance significantly impacts its price. Stronger returns typically attract more investors, driving up demand and subsequently the price.

Market Conditions: Overall market sentiment, economic indicators, and geopolitical events influence investor confidence and risk appetite, affecting the demand for the fund and its price.

Underlying Assets: The value of the securities (stocks, bonds, etc.) held within the fund directly affects the fund's Net Asset Value (NAV) and, consequently, its price. Changes in the value of these assets due to market fluctuations impact the fund's price.

Fund Expenses: Management fees, operational costs, and other expenses charged by the fund reduce the returns available to investors, potentially affecting its attractiveness and price. Higher expense ratios can deter investment.

Interest Rates: Changes in interest rates, particularly impacting fixed-income investments, can influence the attractiveness and price of the fund, especially if it holds bonds or other interest-rate-sensitive assets.

Currency Fluctuations: If the fund invests in assets denominated in foreign currencies, exchange rate fluctuations can impact the fund's value when converted back to the base currency (likely GBP), affecting its price.