Underlying Index Performance: PXI tracks the Dynamic Energy Exploration & Production Intellidex Index. The price directly reflects the performance of the companies within this index. When these energy companies do well, PXI's price rises. Oil and Gas Prices: As an energy ETF, PXI is heavily influenced by fluctuations in oil and natural gas prices. Rising commodity prices generally lead to increased profitability for exploration and production companies, boosting PXI. Interest Rate Changes: Interest rate hikes can affect borrowing costs for energy companies, potentially impacting their profitability and PXI's price. Geopolitical Events: Global political events affecting energy supply and demand significantly impact oil prices and subsequently, PXI. Economic Growth: Economic growth drives energy demand. Stronger economies tend to push up energy prices and benefit PXI. Inflation: High inflation can increase operating costs for energy companies, but also push prices upward, affecting PXI.