Underlying Index Performance: SSXU.US is leveraged, its price heavily depends on the daily performance of the S&P 500 index. Positive index movement amplifies gains, negative amplifies losses.

Leverage Factor: Being a 2x leveraged ETF, SSXU.US aims to double the daily percentage change of the S&P 500. This magnification of returns also magnifies risks and associated costs.

Compounding Effect: Daily rebalancing to maintain the 2x leverage can lead to significant deviations from the expected long-term returns due to compounding, especially in volatile markets.

Management Fees & Expenses: The fund's expense ratio and other operational costs directly reduce the net return, influencing its price over time. Higher expenses mean lower returns.

Market Sentiment: Overall investor sentiment towards the S&P 500 and the broader market affects demand for SSXU.US. Bullish sentiment increases demand, driving up the price, and vice-versa.

Trading Volume & Liquidity: Higher trading volume and liquidity generally lead to tighter bid-ask spreads and more efficient price discovery, improving its price's alignment with its theoretical value.

Interest Rates: Changes in interest rates can impact the cost of leverage for the fund, affecting its profitability and ultimately the price of SSXU.US.

Volatility of S&P 500: Higher volatility in the S&P 500 leads to greater fluctuations in SSXU.US's price, amplifying both potential gains and losses.