Underlying Asset Performance: BEMV39.SA tracks a specific index. The price of the ETF is directly influenced by the collective performance of the assets within that index.

Supply and Demand: Market forces of supply and demand for BEMV39.SA shares affect its price. Higher demand generally leads to higher prices, while increased supply can lower prices.

Economic Conditions: Broad economic factors like inflation, interest rates, and GDP growth can indirectly impact the ETF by affecting the performance of its underlying assets.

Currency Fluctuations: If the ETF holds assets denominated in a foreign currency, fluctuations in exchange rates can affect its value when converted back to the local currency.

Investor Sentiment: Overall investor sentiment towards the market sector or asset class represented by the ETF can drive buying or selling pressure, impacting its price.

Fund Management Costs: Fees and expenses charged by the ETF's fund manager can slightly affect its overall return and thus indirectly influence its price.

Liquidity: The ease with which BEMV39.SA shares can be bought or sold in the market affects its price. Lower liquidity can lead to wider bid-ask spreads and price volatility.