Fund Performance: Past and present performance significantly impacts investor demand, thus influencing the fund's price.

Market Conditions: Overall market trends, including economic indicators and investor sentiment, affect the prices of underlying assets.

Interest Rates: Changes in interest rates can influence the attractiveness of bond funds and impact valuations.

Inflation: Rising inflation can erode returns and decrease the appeal of fixed-income investments.

Credit Risk: The creditworthiness of issuers in the bond portfolio affects prices, with lower ratings generally leading to lower prices.

Liquidity: The ease of buying/selling the fund affects pricing; higher liquidity usually results in better pricing.

Expense Ratio: The fund's management fees and operating expenses detract from returns, thus impacting its price.

Currency Fluctuations: For international funds, currency exchange rates can influence returns when measured in the investor's local currency.

Supply and Demand: The basic economic principle of supply and demand also affect the fund's price, like any other asset.

Fund Manager Expertise: The skill and experience of the fund manager can influence investment decisions and portfolio performance.