Underlying Asset Performance: The primary driver is the performance of the securities held within the MTUSD.PA ETF, typically tracking a specific index or basket of assets. Supply and Demand: Market forces of supply and demand for the ETF shares themselves directly influence the price. Higher demand generally leads to price increases, while increased supply can lower prices. Net Asset Value (NAV): The NAV, representing the total value of the ETF's assets minus liabilities, divided by the number of outstanding shares, acts as a benchmark. Significant deviations from the NAV can create arbitrage opportunities. Interest Rates: Changes in prevailing interest rates can impact the attractiveness of assets held within the ETF, thereby indirectly affecting its price. Higher rates might reduce the allure of some asset classes. Currency Fluctuations: For ETFs holding international assets, currency exchange rates play a crucial role. Changes in the relative value of the Euro versus the currencies of underlying assets impact the ETF's Euro-denominated price. Market Sentiment: Broad market sentiment, reflecting investor confidence or fear, can affect overall demand for ETFs, including MTUSD.PA, leading to price fluctuations irrespective of the underlying assets' performance. Expense Ratio: The expense ratio, which represents the annual cost of operating the ETF, can indirectly influence investor demand. Lower expense ratios tend to make ETFs more attractive relative to similar options.