Global interest rate: The global interest rate environment influences borrowing costs and investment returns, affecting the overall attractiveness of fixed income funds like JIJRX.US.

Credit rating: Credit ratings of the underlying bonds held by JIJRX.US are key. Downgrades can decrease the fund's net asset value, while upgrades can have a positive impact.

Inflation expectation: Inflation expectations can affect bond yields. Higher inflation expectations usually lead to increased yields, potentially lowering the fund's market value.

Economic growth: Economic growth impacts credit risk and interest rates. Stronger economic growth may lead to higher interest rates and potentially lower bond prices.

Fund management strategy: JIJRX.US's management team's investment decisions, including sector allocation and duration management, impact performance and thus price.

Market sentiment: Overall market sentiment towards fixed income securities impacts the fund's price. Risk aversion may increase demand, while optimism may decrease it.

Liquidity: The fund's liquidity, referring to how easily it can be bought or sold, impacts its pricing. Lower liquidity could cause pricing to be more volatile.