Underlying Asset Performance: CEBG.XETRA's price directly reflects the performance of the stocks it holds. If those companies prosper, the ETF price increases.

Supply and Demand: Market demand for the ETF units and the availability of those units influence the price. High demand pushes the price upward.

Investor Sentiment: General market optimism or pessimism can impact ETF prices. Positive sentiment can increase investment and raise prices.

Currency Exchange Rates: Currency fluctuations affect returns. A stronger Euro against other currencies makes the ETF more valuable for foreign investors.

Expense Ratio: Although indirectly, a high expense ratio can lessen investor returns, subtly affecting the price.

Index Tracking Accuracy: The ETF's ability to accurately mirror the underlying index influences investor confidence and pricing.

Economic Conditions: Broader economic factors like interest rates, inflation, and GDP growth significantly shape market and company performance.