Underlying Index Movement: The NIFTY 50 index's performance directly impacts the ETF's NAV. Rising index values push ETF prices higher, and vice-versa.

Supply and Demand: Increased demand for the ETF can drive up its price, while higher selling pressure can lower it.

Expense Ratio: The management fees charged by the ETF influence its long-term performance and overall price. Lower expense ratios can make an ETF more attractive.

Tracking Error: Discrepancies between the ETF's returns and the NIFTY 50's returns can affect investor confidence and the ETF's price. Lower tracking error is preferred.

Market Sentiment: General investor optimism or pessimism towards the Indian stock market can influence the demand for NIFTY ETFs.

Dividend Payouts: Dividends distributed by companies within the NIFTY 50, which are passed on to ETF holders, can provide small boosts to returns.

Interest Rates: Changes in prevailing interest rates can impact investor appetite for equities, indirectly influencing NIFTY ETF prices. Higher rates might reduce demand.

Economic Conditions: Macroeconomic factors such as inflation, GDP growth, and currency fluctuations can shape investor sentiment and affect the NIFTY 50, subsequently impacting the ETF.

Global Events: International events such as geopolitical tensions or changes in global economic outlook, can influence foreign investment in India and consequently impact the NIFTY ETF.