SPFD.TO ETF price is driven by several factors. Underlying Holdings Performance: The ETF mirrors the S&P U.S. Preferred Stock Index. So, the price movements of the preferred stocks within that index directly influence SPFD.TO's price. Interest Rate Changes: Preferred stocks behave somewhat like bonds, making them sensitive to interest rate shifts. Rising interest rates typically lower preferred stock prices and thus SPFD.TO, while falling rates may increase them. Credit Risk of Issuers: If the creditworthiness of companies issuing the preferred shares in the index declines, investors may demand higher yields, pressuring preferred stock prices and therefore, SPFD.TO's value downwards. Supply and Demand: General investor demand for the ETF itself impacts its price. Increased buying pressure pushes the price up, while selling pressure causes it to decline. ETF Management Fees: The ETF's expense ratio, while small, slightly reduces the overall return to investors, and therefore indirectly affects its price relative to the underlying index. Currency Fluctuations: Since the underlying assets are primarily U.S. dollar-denominated, changes in the CAD/USD exchange rate can influence the ETF's price for Canadian investors.