Market Interest Rates: Rising interest rates typically make bond yields more attractive, potentially decreasing the demand and price of existing bond funds like CPXZX.US.

Credit Quality of Holdings: Downgrades in the credit ratings of bonds held within CPXZX.US can decrease the fund's net asset value (NAV) and, consequently, its price.

Inflation Expectations: Higher inflation erodes the purchasing power of fixed income, potentially reducing the appeal and price of bond funds like CPXZX.US.

Economic Growth: Strong economic growth can lead to expectations of higher interest rates, negatively affecting bond prices and potentially impacting CPXZX.US's value.

Fund Management Expertise: The skill of the fund manager in selecting bonds and managing risk can influence the fund's performance and, therefore, its price.

Supply and Demand: Increased investor selling pressure on CPXZX.US can lead to a lower price, while high demand may drive the price upward.

Maturity Profile: The average maturity of the bonds within CPXZX.US affects its sensitivity to interest rate changes; longer maturities mean greater price fluctuations.