UIFL.PA is an ETF, so its price is affected by several factors. Underlying Assets: The price of UIFL.PA largely depends on the value of its underlying assets, which are typically preferred stocks.

Interest Rates: Rising interest rates can negatively impact preferred stock values, as newly issued preferred stocks may offer higher yields, making existing ones less attractive.

Credit Risk: Changes in the creditworthiness of the issuers of the preferred stocks held by the ETF can affect its price. Downgrades in credit ratings can lead to price declines.

Market Sentiment: Overall investor sentiment towards preferred stocks and the broader market influences the ETF's price.

Supply and Demand: Basic supply and demand dynamics for the ETF itself can cause price fluctuations. Higher demand leads to price increases, while increased supply can lower the price.

ETF Flows: Inflows and outflows of capital into and out of the ETF can impact its price. Large outflows may necessitate the fund selling holdings, potentially driving down the price.