Underlying Asset Performance: The price of OOSP.US is directly influenced by the performance of the underlying index it tracks, which is companies operating in South Korea.

Supply and Demand: Basic economic principles dictate that increased demand for OOSP.US shares will push the price higher, while increased supply will lower it.

Investor Sentiment: Overall market sentiment toward South Korean equities, emerging markets, or specific sectors held within the OOSP.US portfolio can impact its price.

Currency Fluctuations: Changes in the exchange rate between the US dollar and the Korean won can affect the value of the underlying South Korean assets when translated back into USD.

Expense Ratio: While the expense ratio doesn't directly cause price fluctuations, it represents the annual cost of owning the ETF and impacts its long-term returns relative to the underlying index.

Political and Economic Events: Geopolitical events, economic policy changes, or regulatory developments in South Korea can significantly impact the performance of companies held in OOSP.US.

Interest Rates: Changes in interest rates, both in the US and South Korea, can affect investor appetite for equities and influence the attractiveness of OOSP.US relative to other investments.

Global Market Conditions: Broad global market trends, such as risk appetite, economic growth expectations, and trade relations, can impact investor sentiment toward emerging markets like South Korea and affect OOSP.US.