Underlying Assets: 3LSI.LSE's price is directly influenced by the performance of the underlying companies within the ETF, primarily focusing on stocks.

Supply and Demand: Increased demand for the ETF can drive up its price, while increased selling pressure can push it down.

Market Sentiment: Broad market optimism or pessimism can significantly affect investor appetite for the ETF.

Interest Rates: Changes in interest rates can impact the valuation of the underlying companies, thus influencing the ETF's price.

Economic Conditions: Overall economic health, including factors like GDP growth and inflation, plays a role in company performance.

Currency Fluctuations: Since the ETF may hold assets denominated in other currencies, exchange rate changes can impact returns.

Sector Performance: The performance of the specific sectors represented within the ETF's holdings greatly affects its value.

ETF Management Fees: While not directly affecting the market price, management fees reduce the ETF's overall return, indirectly impacting long-term attractiveness.