Underlying Assets Performance: SPEUS.PA tracks the S&P 500, so its price closely mirrors the index's movements. Strong S&P 500 performance typically boosts SPEUS.PA's price, while weak performance causes it to fall.

Supply and Demand: Increased demand for SPEUS.PA pushes its price up, while increased supply causes it to decrease. Market sentiment and investor appetite for US equities influence supply and demand.

Currency Exchange Rates: As SPEUS.PA is EUR-denominated, fluctuations in the EUR/USD exchange rate impact its price. A stronger EUR relative to USD can decrease its price and vice versa.

Expense Ratio and Tracking Error: SPEUS.PA's expense ratio and tracking error can slightly affect its performance compared to the S&P 500. Higher costs or significant tracking error could negatively impact its relative value.

Dividend Payments: Dividends paid by companies within the S&P 500 are reflected in SPEUS.PA's price. The timing and amount of dividend payouts influence its overall return.

Economic Conditions: Broad economic factors like inflation, interest rates, and GDP growth in the US can impact the S&P 500 and consequently, SPEUS.PA's price. Positive economic data often supports higher prices.

Market Sentiment: Overall investor confidence or fear regarding the US stock market can significantly impact SPEUS.PA's price. Risk-on sentiment often drives prices higher, while risk-off sentiment leads to declines.

Geopolitical Events: Global events such as political instability, trade wars, or major policy changes can influence market sentiment and affect the S&P 500 and therefore, SPEUS.PA's price.

Interest Rate Changes: Changes in US interest rates by the Federal Reserve can impact corporate earnings and valuations, affecting the S&P 500 and subsequently SPEUS.PA's price. Higher interest rates may dampen performance.

News and Events: Significant news events related to companies within the S&P 500, such as earnings releases, product launches, or mergers, can influence investor sentiment and SPEUS.PA's price.