Underlying Assets' Performance: The primary driver is the performance of the constituent stocks within the 00882.TW ETF's portfolio. Supply and Demand: Market forces of buyers and sellers directly impact the ETF's price. Higher demand usually increases the price. Net Asset Value (NAV): The NAV, representing the total value of the ETF's holdings minus liabilities, serves as a theoretical fair value benchmark. Index Tracking Efficiency: How well the ETF mirrors the performance of its benchmark index affects its price relative to the index's value. Expense Ratio: The ETF's management fee can indirectly influence its price, as higher fees might slightly reduce returns. Market Sentiment: Overall investor confidence or pessimism in the Taiwanese stock market can affect the ETF's price. Economic Conditions: Macroeconomic factors like interest rates, inflation, and economic growth influence company earnings and therefore, the ETF's value. Currency Exchange Rates: Fluctuations in the TWD/USD exchange rate can impact the ETF's price, especially for foreign investors. Political and Geopolitical Events: Major political or geopolitical events can create market volatility and affect the ETF's price. Global Market Performance: The performance of other major global stock markets can influence investor sentiment and trading activity in 00882.TW.