Constituent Stock Prices: The ETF's price largely mirrors the weighted average price of the stocks it holds. Higher stock values increase the ETF price.

Supply and Demand: Increased demand relative to supply pushes the price up, while increased supply relative to demand pushes it down.

Dividend Yields: The ETF targets high dividend yields. Changes in expectations or actual dividend payouts can affect its attractiveness and price.

Interest Rate Environment: Rising interest rates may make fixed-income investments more attractive, potentially decreasing demand for dividend-focused ETFs.

Market Sentiment: Overall market optimism or pessimism can broadly influence investor appetite for ETFs, including 00919.TW.

Expense Ratio: The ETF's management fees reduce returns, impacting its price relative to the underlying assets.

Index Tracking Accuracy: The ETF aims to replicate its underlying index. Deviations in tracking can lead to price differences.

News and Events: Company-specific news related to the constituent stocks can affect the ETF price.

Economic Indicators: Macroeconomic data releases like GDP growth or inflation can impact investor sentiment and ETF prices.

Currency Fluctuations: Changes in the exchange rate between the local currency and currencies related to the ETF's underlying assets can affect the price.