Market Conditions: Overall market performance and investor sentiment impact demand and therefore the fund's price.

Fund Performance: Strong returns attract investors, increasing demand and price; poor performance has the opposite effect.

Expense Ratio: Higher fees can negatively affect returns, potentially lowering the fund's attractiveness and price.

Asset Allocation: The fund's holdings (stocks, bonds, etc.) and their individual performance contribute to the overall fund value.

Fund Manager Skill: The manager's investment decisions and ability to generate returns influence the fund's price.

Economic Factors: Interest rates, inflation, and economic growth can impact the performance of the fund's underlying assets.

Currency Fluctuations: For funds investing in foreign assets, exchange rate changes affect the fund's value in GBP.

Supply and Demand: Increased demand for the fund drives the price up, while increased selling pressure pushes it down.

Regulatory Changes: New regulations or changes in tax laws can impact the fund's operations and investor interest.

Company Specific Risk: If the fund holds individual company stocks, the performance of those companies will impact the fund.