Market Interest Rates: Rising interest rates typically decrease the value of bonds, leading to a lower NAV for FDYZX. Conversely, falling rates generally increase bond values and the fund's NAV. Credit Risk: The creditworthiness of the bonds held by FDYZX significantly impacts its price. Downgrades in the credit ratings of issuers can negatively affect the fund's NAV, while upgrades can have a positive effect. Inflation Expectations: Higher inflation expectations tend to push bond yields upward, decreasing bond prices and the fund's NAV. Lower inflation expectations generally have the opposite effect. Economic Growth: Strong economic growth can lead to higher interest rates and potentially lower bond prices, negatively impacting FDYZX's NAV. Weaker growth can result in lower rates and higher bond prices. Fund Management: The fund manager's investment decisions, including security selection and duration management, impact the fund's performance and price. Skillful management can lead to higher returns. Supply and Demand: The overall supply and demand for bond funds, including FDYZX, can influence its price. High demand can drive prices upward, while increased supply can exert downward pressure.