Healthcare Sector Performance: The overall health of the healthcare industry influences IBB1.XETRA. Positive developments boost the ETF, while negative news can lower its value.

Underlying Holdings' Performance: IBB1.XETRA tracks an index of healthcare companies. The performance of these individual companies directly affects the ETF's price.

Investor Sentiment: Market optimism or pessimism towards the healthcare sector impacts demand for IBB1.XETRA. High demand increases price; low demand decreases it.

Interest Rates: Rising interest rates can make healthcare stocks less attractive compared to bonds, potentially decreasing demand for IBB1.XETRA.

Currency Exchange Rates: As IBB1.XETRA trades on XETRA, currency fluctuations between the Euro and the currencies of the underlying holdings can impact its price.

Economic Conditions: General economic conditions influence healthcare spending and investment, which can then affect the IBB1.XETRA ETF.

Regulatory Changes: Government regulations and policy changes impacting the healthcare industry can greatly affect the companies within IBB1.XETRA and its overall value.