Issuer's Holdings: The underlying assets held by ISDB.US, primarily sukuk (Islamic bonds), dictate its price.

Sukuk Market: Broad market trends in the sukuk market, including supply and demand, influence ISDB.US's value.

Interest Rates: Changes in global interest rate environments impact the attractiveness of sukuk and thus ISDB.US.

Credit Ratings: The creditworthiness of the sukuk held within ISDB.US's portfolio affects investor confidence and price.

Currency Fluctuations: Fluctuations in the value of the currencies in which the underlying sukuk are denominated relative to the US dollar affect ISDB.US's returns.

Investor Demand: Overall demand for Islamic investment products and ETFs, including ISDB.US, influences its market price.

Geopolitical Risks: Political and economic instability in regions where the issuers of the sukuk are located can affect prices.

Sharia Compliance: Adherence to Sharia principles is vital; any perceived non-compliance can negatively affect investor sentiment.