**Net Asset Value (NAV)**: The underlying value of the assets held by the ETF greatly influences its price. A rising NAV typically pushes the ETF price higher.

**Supply and Demand**: High demand for the ETF often results in price increases, while increased selling pressure tends to lower the price.

**Trading Volume**: Higher trading volume usually indicates greater liquidity and potentially tighter bid-ask spreads, affecting how easily investors can buy or sell shares at desirable prices.

**Market Sentiment**: Broad market trends and investor confidence regarding the sectors or assets the ETF tracks will affect its price.

**Index Tracking Error**: Discrepancies between the ETF's performance and the index it follows can lead to price differences.

**Expense Ratio**: The ETF's operating expenses, while indirectly affecting the price, influence its long-term return and investor appeal.

**Interest Rates**: Changes in interest rates can affect the attractiveness of fixed-income ETFs and influence the prices of companies within the ETF.

**Economic Indicators**: Reports on inflation, employment, and GDP can influence investor sentiment and impact the price of the ETF.