Fund Performance: Strong historical returns and consistent outperformance against its benchmark index can drive demand and increase the price of TUSBX.US.

Interest Rate Environment: Rising interest rates typically decrease the attractiveness of bond funds like TUSBX.US, potentially lowering its price, while falling rates can increase its price.

Credit Quality of Holdings: The creditworthiness of the bonds held within TUSBX.US directly impacts its price. Downgrades to the credit ratings of these bonds can lead to price declines.

Market Sentiment: Overall investor confidence and risk appetite influence the demand for bond funds. Negative sentiment can lead to outflows and lower prices for TUSBX.US.

Fund Flows: Significant inflows into TUSBX.US can increase its price, while large redemptions can force the fund to sell assets, potentially lowering its price.

Expense Ratio: A high expense ratio can make TUSBX.US less attractive to investors compared to similar funds with lower fees, potentially affecting its price indirectly through reduced demand.

Maturity Profile: The average maturity of the bonds held in TUSBX.US affects its sensitivity to interest rate changes. Longer maturities generally mean greater price volatility.

Liquidity of Underlying Bonds: The ease with which the bonds held within TUSBX.US can be bought and sold impacts its price. Illiquid bonds can make the fund more susceptible to price swings.