World oil prices have experienced significant fluctuations in the last few months, influenced by various factors from both the demand and supply sides. In October 2023, the price of Brent crude oil was around $90 per barrel, while WTI crude oil was trading at around $85 per barrel. This price increase was largely driven by the post-pandemic global economic recovery and ongoing geopolitical tensions. One of the key factors influencing oil prices is the increase in energy demand in large countries, especially China and the United States. With the recovery of industrial and transportation activities, oil consumption has increased significantly. On the other hand, OPEC+ continues to make strategic decisions to regulate oil production so that it is no more than market needs. In September, OPEC+ decided to extend production cuts, which contributed to rising global prices. Tensions in the Middle East also affect oil prices. Prolonged conflicts in major oil producing areas, such as Libya and Iraq, have threatened the stability of oil supplies. In addition, international sanctions imposed on oil-producing countries such as Iran have also added to uncertainty in the global oil market. On the other hand, the economic slowdown in Europe, which was triggered by high inflation and interest rate increases by the European Central Bank, had a different impact on oil prices. Some analysts predict that oil demand in Europe may decline, given the potential for a recession. This suggests that although the global oil market is currently driven by strong demand, there are risks that could weaken demand in the short term. Another aspect that is worth paying attention to is the increasingly rapid development of renewable energy technology. Governments in various countries are increasingly committed to reducing dependence on fossil fuels, which could affect future oil demand. The transition to clean energy, although slow in some countries, shows that the oil industry must adapt quickly. Recent findings suggest that while oil remains the primary energy source today, green initiatives undertaken by many large companies could reduce dependence on oil in the long term. The development of electric cars and renewable energy is expected to have a significant impact on global oil demand. Overall, world oil prices in October 2023 show an upward trend, but various external factors may influence this stability. Investors and market players must continue to monitor global economic developments, energy policies, and political dynamics in oil-producing countries to understand the direction of oil price movements in the future. Uncertainty and opportunities in this market provide both challenges and opportunities for all parties concerned.