Market Sentiment: Overall investor confidence and risk appetite heavily influence fund prices, with positive sentiment driving demand and higher prices.

Underlying Asset Performance: The performance of the assets held within the fund (e.g., stocks, bonds) directly impacts its value; better asset performance typically leads to higher fund prices.

Economic Conditions: Macroeconomic factors like interest rates, inflation, and GDP growth can affect both market sentiment and the performance of underlying assets, thus influencing fund prices.

Fund Flows: Significant inflows of investor money can increase demand for the fund's shares, potentially pushing prices up, while outflows can have the opposite effect.

Management Fees and Expenses: High expense ratios and management fees can detract from the fund's returns and potentially affect its price relative to similar funds with lower costs.

Currency Exchange Rates: For funds investing in international assets, fluctuations in exchange rates can impact the fund's value when converted back to the base currency (e.g., GBP).