The price of XSOE.XETRA ETFs is influenced by various factors:

Underlying Asset Prices: The ETF tracks an index. Therefore, fluctuations in the prices of the assets within that index directly impact the ETF's net asset value (NAV) and trading price.

Supply and Demand: Market forces dictate price. High demand for the ETF pushes the price up, while increased selling pressure lowers it.

Investor Sentiment: Overall market optimism or pessimism about the sectors or regions represented by the ETF can affect investor demand and thus, the price.

Currency Fluctuations: If the ETF holds assets denominated in a different currency, exchange rate changes can impact the ETF's value when translated back to EUR.

Expense Ratio: While not directly impacting daily price swings, the ETF's expense ratio reduces its overall return, which can influence long-term demand.

Tracking Error: The difference between the ETF's performance and the performance of the underlying index can affect investor perception and the ETF's relative attractiveness.

Market Liquidity: Higher liquidity generally leads to tighter bid-ask spreads and more efficient price discovery, while low liquidity can lead to price volatility.