Investment Performance: The fund's historical and current returns significantly impact its price. Higher returns typically attract more investors, increasing demand and price.

Net Asset Value (NAV): The underlying value of the fund's holdings (stocks, bonds, etc.) directly influences its price. Changes in the market value of these assets affect the NAV and, consequently, the fund's price.

Interest Rates: As a bond fund, changes in interest rates can affect EIHYX.US's price. Generally, rising interest rates can cause bond prices (and the fund's price) to decline, and vice versa.

Credit Quality: The creditworthiness of the bonds held in the fund affects its price. Lower credit quality bonds may lead to lower fund value.

Market Sentiment: Overall investor confidence or fear in the market can impact demand for the fund, influencing its price. Positive sentiment generally boosts demand, while negative sentiment can lead to selling pressure.

Fund Flows: Large inflows of investment into the fund can increase its price due to higher demand. Conversely, large outflows can decrease the price as the fund sells assets to meet redemption requests.

Management Fees and Expenses: The costs associated with managing the fund (expense ratio) can indirectly affect its price. Higher expenses can reduce returns, potentially making it less attractive to investors.