Performance of Underlying Assets: MARLX.US's price heavily relies on the performance of the securities it holds, primarily other mutual funds. Positive returns in these funds drive MARLX.US's price up, while poor performance leads to price declines.

Market Conditions: Broad market trends, economic indicators like interest rates and inflation, and investor sentiment influence the overall performance of the funds within MARLX.US, thus affecting its price.

Fund Expenses: MARLX.US's expense ratio, which covers management fees and operating costs, directly impacts its net asset value (NAV). Higher expenses lower the NAV, leading to a lower share price.

Supply and Demand: While less direct for mutual funds, overall investor demand for MARLX.US can influence the price, especially during periods of high buying or selling pressure, though the impact is less pronounced than with stocks.

Fund Manager Expertise: The skill of the fund manager in selecting and allocating assets significantly impacts the fund's returns. A skilled manager typically generates better returns, leading to a higher price.

Currency Fluctuations: If MARLX.US invests in funds holding international assets, currency exchange rates affect the fund's overall returns. A stronger US dollar reduces the value of international holdings, lowering the price.