Net Asset Value (NAV): WEBC.XETRA ETF prices closely track the NAV, reflecting the underlying assets' value. Deviations offer arbitrage opportunities.

Supply and Demand: High demand pushes the price above NAV, while excess supply can lead to discounts. Trading activity influences this.

Component Stock Prices: The prices of the stocks held by the ETF directly affect its overall value. Changes in major holdings have a greater impact.

Market Sentiment: Broad market optimism or pessimism can influence ETF prices, even without specific news about underlying holdings.

Currency Fluctuations: If the ETF holds assets denominated in other currencies, exchange rate changes will affect the ETF's price.

Expense Ratio: While not directly affecting daily price fluctuations, the ETF's expense ratio reduces long-term returns, making it less attractive.

Interest Rates: Changes in interest rates can affect the valuation of underlying bonds or stocks held by the ETF.

Economic News: Major economic releases like GDP, inflation, and employment figures can impact investor sentiment and ETF prices.

Geopolitical Events: Global events, such as political instability or trade wars, can create uncertainty and affect market sentiment, thus prices.

Index Tracking Efficiency: How accurately the ETF tracks its benchmark index can influence its appeal. Poor tracking can negatively affect the price.

Liquidity: Higher liquidity usually results in tighter bid-ask spreads, making trading more efficient and impacting price discovery.