[Net Asset Value (NAV)]: NAV reflects the underlying value of the assets held in the fund's portfolio. Market fluctuations impact these assets' prices, directly affecting NAV.

[Supply and Demand]: High demand for ASTEX.US can push its price above its NAV, creating a premium. Conversely, increased selling pressure can lead to a discount.

[Market Sentiment]: Overall investor optimism or pessimism regarding the sectors or asset classes ASTEX.US invests in can influence its price.

[Expense Ratio and Fees]: Higher fees can indirectly affect price, as they reduce the overall return for investors, potentially dampening demand.

[Interest Rates]: Changes in interest rates can affect the attractiveness of ASTEX.US relative to other investment options.

[Economic Conditions]: Economic growth or recession can impact the performance of the companies and assets held by the fund.

[Fund Manager Performance]: The skill and effectiveness of the fund manager in selecting and managing investments can significantly impact returns and the fund's price.

[News and Events]: Company-specific or industry-wide news can cause volatility in the fund's price.