Underlying Asset Performance: The primary driver of CSYZ.MU's price is the performance of the underlying assets within the tracked index. Positive performance increases the ETF's value, while negative performance decreases it. Supply and Demand: Market forces of supply and demand for the ETF shares themselves also impact its price. Higher demand relative to supply pushes the price up, and vice versa. Index Rebalancing: Periodic adjustments to the composition of the underlying index can influence CSYZ.MU's price as the ETF buys or sells holdings to match the new index weighting. Currency Fluctuations: Given CSYZ.MU likely holds assets denominated in foreign currencies, exchange rate movements between those currencies and the Euro can affect the ETF's value. Interest Rates: Changes in interest rates, particularly those in the regions where the underlying assets are located, can influence the valuation of those assets and consequently the ETF's price.