Fund Performance: SSDCX.US's historical and current investment returns directly influence its price. Strong performance attracts more investors, driving up demand and the price.

Market Conditions: Overall market trends, economic indicators (like GDP growth, inflation, interest rates), and geopolitical events affect investor sentiment and risk appetite, impacting SSDCX.US's value.

Net Asset Value (NAV): The NAV, representing the per-share value of the fund's holdings, is a key determinant. Differences between the market price and NAV can create buying or selling opportunities.

Expense Ratio: The fund's operating expenses, expressed as a percentage, can impact investor returns and influence demand, indirectly affecting the price.

Fund Flows: The amount of money flowing into or out of SSDCX.US affects its market price. Inflows typically increase demand and price, while outflows decrease them.

Interest Rates: Rising interest rates can make fixed-income investments less attractive, potentially impacting SSDCX.US if it holds such assets.

Sector Performance: If SSDCX.US invests heavily in a specific sector, the performance of that sector will significantly impact the fund's overall value.

Management Expertise: The fund manager's investment decisions and track record play a crucial role in the fund's performance and, consequently, its price.