Fund Performance: MEAR.US's net asset value (NAV) fluctuates based on the underlying companies' performance. Strong earnings or positive news within those companies typically boost the ETF's price.

Market Sentiment: General investor optimism or pessimism regarding the sectors MEAR.US invests in (e.g., technology, consumer discretionary) will influence demand and price.

Supply and Demand: High demand for MEAR.US pushes the price up, while increased selling pressure lowers it. Creation and redemption activity also impacts supply.

Expense Ratio: While not a direct price determinant, MEAR.US's expense ratio impacts its overall return. Lower expense ratios can make it more attractive to investors.

Economic Indicators: Macroeconomic factors like interest rates, inflation, and GDP growth can affect the performance of the companies within MEAR.US, influencing its price.

Currency Fluctuations: If MEAR.US invests in international assets, exchange rate movements can impact its value when translated back to USD.