ARMG.LSE is an ETF tracking the MSCI ACWI IMI Robotics, so its price is driven by: Underlying Holdings' Performance: The performance of robotics and automation companies within the tracked index directly impacts the ETF's NAV and price. Supply and Demand: Investor demand for ARMG.LSE relative to its supply impacts its market price, which may deviate slightly from its NAV. Currency Fluctuations: As ARMG.LSE holds international stocks, exchange rate changes between GBP and those currencies affect returns. Expense Ratio: The ETF's management fee subtly impacts long-term returns and NAV. Index Tracking: The ETF's ability to accurately replicate the MSCI ACWI IMI Robotics index influences its performance. Market Sentiment: Broad market optimism or pessimism towards technology or growth stocks can influence investment flows into ARMG.LSE. Sector News: Positive or negative news relating to robotics, automation, or related industries directly impacts constituent companies and the ETF. Geopolitical Events: Global events that influence economic growth or trade relationships can affect businesses within the tracked index. Inflation and Interest Rates: Inflation and interest rate changes could influence how investors value growth stocks held in ARMG.LSE. Competitor ETFs: Price fluctuations of competitor robotics ETFs could indirectly impact ARMG.LSE as investors compare options.