[Net Asset Value (NAV)]: PHYEX.US's price is directly tied to its NAV, representing the total value of its holdings minus liabilities, divided by outstanding shares. Fluctuations in the underlying assets held by the fund directly impact the NAV, and consequently, the fund's price.

[Supply and Demand]: Market forces of supply and demand play a role. If more investors want to buy PHYEX.US than sell, the price may increase, and vice versa.

[Market Sentiment]: Overall market sentiment towards the asset classes or sectors the fund invests in can influence its price. Positive sentiment can drive demand and increase the price, while negative sentiment can lead to selling pressure and price declines.

[Expense Ratio]: While not directly affecting the daily price, a higher expense ratio can indirectly impact the fund's long-term performance and attractiveness to investors, potentially influencing demand and price.

[Interest Rates]: Changes in interest rates can influence the valuation of the assets held by PHYEX.US, particularly fixed-income securities, thereby impacting the fund's NAV and price.

[Fund Performance]: The fund's historical performance relative to its benchmark and peers can affect investor confidence and demand, influencing its price. Strong performance typically attracts more investment.

[Economic Conditions]: Broad economic factors, such as inflation, GDP growth, and unemployment, can impact the value of the underlying assets held by the fund, affecting its NAV and price.