Underlying Asset Performance: FJUL.US aims to track a specific index; the performance of the underlying securities within that index directly impacts its price.

Supply and Demand: Like any ETF, FJUL.US's price fluctuates based on buying and selling pressure in the market. High demand drives the price up, while increased selling pressure lowers it.

Interest Rates: Interest rate changes can affect valuations of underlying assets, especially bonds, impacting the ETF's price.

Market Sentiment: Overall investor optimism or pessimism about the market or specific sectors can influence buying and selling decisions, impacting FJUL.US's price.

Expense Ratio: The ETF's operating costs, known as the expense ratio, can subtly affect its returns and, therefore, its perceived value.

Currency Fluctuations: If the underlying assets are denominated in a foreign currency, exchange rate fluctuations can impact the ETF's US dollar price.

Index Rebalancing: Changes to the underlying index that FJUL.US tracks can cause portfolio adjustments, influencing its price.

Economic Data: Economic indicators like inflation, GDP growth, and unemployment can affect the performance of the underlying assets and, thus, the ETF's price.