Underlying Assets: NDEC.US tracks the performance of an index of securities issued by companies that meet certain environmental criteria. The price of NDEC.US is directly tied to the value of these underlying assets; fluctuations in these assets' prices will affect NDEC.US.

Supply and Demand: Market forces of supply and demand influence NDEC.US's price. Higher demand with limited supply tends to increase the price, while greater supply than demand leads to price decreases.

Investor Sentiment: Overall market sentiment towards ESG investing, renewable energy, or specific sectors included in the NDEC.US's index can impact its price. Positive sentiment boosts demand, and negative sentiment reduces it.

Expense Ratio & Trading Costs: The fund's expense ratio and brokerage fees impact investment returns. Higher costs effectively reduce the return, impacting attractiveness and potentially price.

Index Composition Changes: Changes in the index methodology or composition, such as additions or removals of companies, can affect the ETF's price as the fund adjusts its holdings to mirror the updated index.

Currency Exchange Rates: If NDEC.US holds international securities, currency fluctuations can impact its price when translated back to USD.