Market Interest Rates: Higher interest rates can decrease demand for the underlying bonds in FNZZWX, thus lowering its price. Lower interest rates can increase demand and the price.

Inflation Expectations: Rising inflation erodes the value of fixed-income investments like those held in FNZZWX, leading to price decreases. Stable or declining inflation can support higher prices.

Credit Quality: Downgrades in the credit ratings of the bonds held by FNZZWX can negatively impact its price as investors perceive higher default risk. Upgrades can have the opposite effect.

Fund Management Strategy: Changes in the fund's investment strategy or significant portfolio adjustments by the fund manager can affect the price if investors perceive them as risky or unfavorable.

Supply and Demand: Increased demand for FNZZWX shares typically leads to higher prices, while increased supply or selling pressure can drive prices down. Market sentiment plays a crucial role.

Global Economic Conditions: Economic recessions or periods of uncertainty can lead to a flight to safety, affecting demand for bonds and thus the FNZZWX price. Strong economic growth may have the opposite effect.

Fund Flows: Large inflows of cash into FNZZWX can increase demand and price, while significant outflows can force the fund to sell assets, potentially driving down the price.

Maturity Dates of Bonds: As bonds in the portfolio approach maturity, they may experience less price volatility than longer-dated bonds, impacting the fund's overall sensitivity to interest rate changes.