Mutual fund prices, like those of JIJSX.US, are affected by several factors: Net Asset Value (NAV): NAV reflects the underlying value of the fund's holdings. A higher NAV generally means a higher price.

Market Conditions: Overall market sentiment (bullish or bearish) greatly influences investor demand and thus, fund prices.

Fund Performance: A fund's historical and recent performance affects its attractiveness to investors.

Expense Ratio: The expense ratio, representing the fund's operating costs, can affect its competitiveness and price.

Fund Size: Larger funds can sometimes be less nimble, affecting their ability to generate returns and impacting the price.

Interest Rates: Interest rate changes can affect the value of fixed-income assets held by the fund, influencing the price.

Investor Sentiment: Investor perception about the fund's strategy and manager can influence demand and price.

Economic Indicators: Economic data releases (GDP, inflation, unemployment) can impact market sentiment and fund prices.