Underlying Asset Value: The price of the L100.PA ETF is primarily driven by the collective market value of the 100 largest companies listed on the Euronext Paris exchange.

Supply and Demand: Increased investor demand for the L100.PA ETF tends to push its price higher, while increased selling pressure can lower the price.

Index Changes: Revisions to the composition of the underlying CAC 40 index can affect the ETF's price as holdings are adjusted.

Dividend Payments: Dividend payouts from the companies held within the ETF can influence its price around the ex-dividend date.

Expense Ratio: The ETF's expense ratio, which covers management fees, can indirectly affect its price by reducing overall returns.

Market Sentiment: Overall market optimism or pessimism towards French equities can significantly impact the ETF's valuation.

Currency Fluctuations: Changes in the Euro's exchange rate relative to other currencies can influence the ETF's price, especially for international investors.

Interest Rates: Changes in prevailing interest rates can affect investment valuations across the board and impact L100.PA ETF.