Fund Performance: A fund's historical and current performance strongly influences its price. Outperforming peers attracts investment, increasing demand and price.

Market Conditions: General market trends (bull/bear), economic indicators (GDP, inflation), and investor sentiment impact fund prices, as they affect asset valuations.

Fund Holdings: The underlying assets (stocks, bonds, etc.) and their performance dictate the fund's net asset value (NAV), which directly affects its price.

Expense Ratio: Higher management fees and operating expenses can reduce returns, potentially impacting the fund's attractiveness and, consequently, its price.

Fund Size: Very large or small fund sizes can influence trading liquidity and efficiency, potentially affecting price volatility and trading costs.

Interest Rates: Changes in interest rates, especially for bond-heavy funds, can significantly impact their values and ultimately the fund price.

Currency Fluctuations: For funds holding foreign assets, currency exchange rate movements can affect returns and the fund's overall price in GBP.

Supply and Demand: Like any asset, fund prices are subject to supply and demand. High demand drives up the price, while increased selling pressure lowers it.

Geopolitical Events: Major global events, political instability, or policy changes can create uncertainty and impact market sentiment, affecting fund prices.

Credit Risk: Funds investing in bonds are exposed to credit risk. Downgrades or defaults of issuers can negatively impact the fund's NAV and price.