The price of MFEM.US, an emerging markets ETF, is affected by several factors: Emerging Market Performance: The overall health and performance of emerging market economies significantly impact the ETF's value.

Global Economic Conditions: Worldwide economic trends, including interest rates, inflation, and trade policies, can influence investor sentiment and capital flows into emerging markets.

Currency Fluctuations: Changes in the relative values of emerging market currencies against the US dollar directly affect the ETF's returns when translated back into USD.

Political and Geopolitical Risks: Political instability, social unrest, or geopolitical events in emerging market countries can negatively impact investor confidence and asset prices.

Interest Rate Changes: Interest rate decisions by central banks in both developed and emerging markets can influence capital flows and asset valuations.

Commodity Prices: As many emerging markets are commodity-dependent, fluctuations in commodity prices can significantly affect their economies and, consequently, the ETF's performance.

Fund Flows: Large inflows or outflows of capital from the ETF can impact its trading price, especially if liquidity is constrained.

Investor Sentiment: Overall investor mood and risk appetite toward emerging markets play a crucial role in driving demand and prices for the ETF.

Company-Specific Factors: The performance of the individual companies held within the ETF's portfolio can also contribute to its overall price fluctuations.

Expense Ratio and Tracking Error: While not directly impacting the market price, the ETF's expense ratio and its ability to accurately track its benchmark index can affect its long-term returns relative to the index.