Underlying Asset Performance: GLOF.US tracks global shipping companies. The performance of these companies directly impacts the ETF's price.

Supply and Demand: Basic economics apply. Higher demand for GLOF.US pushes the price up, while increased selling pressure lowers it.

Interest Rates: Changes in interest rates can affect shipping companies' borrowing costs and profitability, indirectly influencing the ETF.

Global Economic Growth: Shipping activity is tied to global trade. Economic growth typically boosts shipping volumes, benefiting the ETF.

Geopolitical Events: Events like trade wars or political instability can disrupt shipping routes and affect company earnings, influencing the ETF's price.

Fuel Prices: Fuel costs are a significant expense for shipping companies. Fluctuations in fuel prices can impact profitability and the ETF's value.

Regulatory Changes: New regulations affecting shipping (e.g., environmental rules) can impact costs and efficiency, influencing the ETF's price.

Currency Fluctuations: Since the ETF holds international companies, currency exchange rates can impact the ETF's returns when converted back to USD.

ETF Management Fees: The expense ratio of the ETF can slightly influence its overall return compared to the underlying holdings.