Market Interest Rates: Higher rates generally decrease bond values, lowering SCMBX.US price, while lower rates increase it.

Credit Quality of Holdings: Downgrades in the credit ratings of bonds within the fund portfolio can negatively impact the fund's price.

Economic Conditions: A strong economy can lead to higher inflation expectations, pushing interest rates up and bond prices (SCMBX.US) down.

Inflation Expectations: Higher inflation erodes the real value of fixed income, often leading to lower bond prices within the fund.

Fund Management Decisions: The fund manager's investment strategy, security selection, and duration management affect fund performance and price.

Supply and Demand: Investor demand for fixed income funds and the supply of similar funds can influence the price of SCMBX.US shares.

Geopolitical Events: Global events causing economic uncertainty or impacting specific bond issuers can affect fund values and SCMBX.US price.

Liquidity of Underlying Assets: Difficulty in selling bonds held by the fund can negatively impact the fund's net asset value and price.

Fund Size and Flows: Large inflows or outflows of money into or out of the fund can affect the fund's ability to execute its strategy and impact returns.

Maturity of Bonds Held: Longer-maturity bonds are generally more sensitive to interest rate changes, thus affecting SCMBX.US price more significantly.