DDVAX.US's price, like other mutual funds, is primarily determined by its net asset value (NAV). NAV reflects the market value of its underlying holdings divided by the number of outstanding shares.

Market Performance: The performance of the stocks, bonds, or other assets held within the fund directly impacts DDVAX.US's NAV. Broad market trends or sector-specific movements influence these assets.

Interest Rates: Changes in interest rates can significantly affect bond valuations within the fund, thus impacting its overall NAV. Higher rates usually decrease bond values.

Company Performance: The financial health and success of the individual companies whose stocks are held within DDVAX.US drive the fund's performance.

Economic Conditions: Overall economic indicators like inflation, GDP growth, and unemployment rates impact market sentiment and company profitability, indirectly affecting DDVAX.US's NAV.

Fund Flows: Large inflows or outflows of investor money can temporarily affect the fund's ability to efficiently manage its portfolio, potentially impacting returns.

Expense Ratio: While not directly determining daily price fluctuations, the fund's expense ratio (management fees, operating costs) reduces overall returns over time, affecting long-term NAV growth.

Currency Fluctuations: If DDVAX.US holds international assets, currency exchange rate fluctuations can impact the dollar value of those holdings, affecting the fund's NAV.