Underlying Index Performance: The price of FNRG.XETRA closely tracks the performance of its benchmark index, the Solactive Global Clean Energy Index. If the index rises, the ETF's price generally increases, and vice versa.

Supply and Demand: Like any other security traded on an exchange, FNRG.XETRA's price is subject to supply and demand pressures. High demand can drive the price up, while increased selling pressure can cause it to fall.

Net Asset Value (NAV): The NAV represents the total value of the ETF's holdings minus its liabilities, divided by the number of outstanding shares. The market price of FNRG.XETRA typically trades close to its NAV, but deviations can occur due to market conditions.

Investor Sentiment: Overall investor sentiment towards clean energy and renewable energy companies can significantly influence the ETF's price. Positive sentiment can lead to increased investment, driving the price up.

Currency Fluctuations: Since FNRG.XETRA invests in global companies, currency fluctuations can impact its value. A stronger Euro relative to other currencies in which the ETF's holdings are denominated can negatively affect its price, and vice versa.

Management Fees and Expenses: The ETF's expense ratio, which covers management fees and other operating costs, can slightly impact its overall return and, indirectly, its price. Higher expense ratios can slightly reduce the ETF's attractiveness.

Interest Rates: Changes in interest rates can affect the valuations of clean energy companies, especially those reliant on debt financing for projects. Rising interest rates can potentially increase borrowing costs and negatively impact profitability, leading to a lower ETF price.

Regulatory Environment: Government policies and regulations related to clean energy, such as subsidies, tax incentives, and renewable energy mandates, can significantly impact the profitability and growth prospects of companies in the sector, influencing the ETF's price.