Fund Performance: TOAXX's past performance influences investor demand. Strong returns attract investment, driving up the price.

Interest Rates: Changes in interest rates, especially short-term rates, impact money market funds like TOAXX. Rising rates generally increase yield.

Credit Risk: TOAXX invests in short-term debt. Default risk of these holdings can negatively affect the fund's Net Asset Value (NAV).

Fund Management: The skill of the fund manager in selecting investments and controlling expenses affects the fund's overall return and price.

Economic Conditions: Economic growth or recession can influence interest rates and the creditworthiness of investments held by TOAXX.

Market Sentiment: Overall investor confidence or fear can impact demand for low-risk assets like money market funds.

Expense Ratio: TOAXX's expense ratio (fees) reduces its yield. Lower expenses improve relative performance and potentially the price.

Supply and Demand: High demand for TOAXX will typically increase its price, and low demand decreases it.

Regulatory Changes: Changes in regulations affecting money market funds can impact their structure, risk profile, and ultimately, price.