Underlying Index Performance: The primary driver is the performance of the CSI New Energy Vehicle Index tracked by the ETF. Positive index movements usually lead to higher ETF prices.

Supply and Demand: High demand for the ETF increases its price, while high selling pressure lowers it. Market sentiment and investor appetite for new energy vehicles play a role.

Expense Ratio and Trading Costs: Higher expense ratios can slightly reduce returns and potentially influence the ETF's price, as can brokerage fees.

Net Asset Value (NAV): The NAV reflects the total value of the ETF's holdings minus liabilities, divided by outstanding shares. Significant deviations between market price and NAV are quickly arbitraged.

Regulatory Changes: Government policies and regulations impacting the new energy vehicle industry (subsidies, emission standards, etc.) can indirectly affect the index and thus the ETF.

Macroeconomic Factors: Broad economic conditions (interest rates, inflation, GDP growth) influence investor sentiment and overall market performance, ultimately impacting the ETF.