Fund Performance: The historical and relative performance of NMYHX compared to its benchmark and peer funds influences investor demand. Strong performance often leads to higher prices.

Market Conditions: Overall market sentiment, economic data, and interest rate movements significantly impact investor appetite for mutual funds like NMYHX. Bull markets tend to drive prices up, while bear markets have the opposite effect.

Fund Flows: The net flow of money into or out of NMYHX affects its price. Higher inflows indicate increased demand, potentially raising the price, while outflows can put downward pressure on the price.

Expense Ratio: The expense ratio, which is the annual fee charged to manage the fund, affects the fund's net return. Higher expense ratios can make the fund less attractive to investors, potentially impacting its price.

Underlying Asset Performance: The performance of the assets held within NMYHX, such as stocks or bonds, directly impacts the fund's overall value. Positive asset performance typically leads to higher prices.

Fund Manager Expertise: The skill and experience of the fund manager can influence investor confidence and demand for NMYHX. A reputable and successful fund manager can attract more investment, potentially raising the price.