Underlying Asset Performance: The ETF's price closely tracks the performance of the underlying Solactive Euro Corporate Bond Index. Changes in the prices of the constituent corporate bonds directly influence the ETF's NAV and market price. Interest Rate Movements: Rising interest rates generally decrease bond prices and consequently the ETF's value, as newly issued bonds offer higher yields. Conversely, falling rates tend to increase the ETF's price. Credit Spreads: Widening credit spreads (the difference between corporate and government bond yields) signal increased credit risk, lowering corporate bond prices and the ETF's value. Narrowing spreads have the opposite effect. Supply and Demand: General market sentiment and investor demand for corporate bond ETFs influence the ECRP.PA ETF's trading price. High demand can drive the price above its NAV, while increased selling pressure can push it below. Expense Ratio: The ETF's expense ratio, while not directly impacting the daily price fluctuations, reduces the overall return. Higher expense ratios can make the ETF less attractive compared to similar, lower-cost options.