The US dollar experienced significant strengthening against major currencies around the world, strengthening its position as the global reserve currency. Several factors contributed to this strengthening including monetary policy, economic stability, and market sentiment. In recent months, the Federal Reserve (Fed) has implemented an aggressive interest rate policy, which serves to control inflation and maintain the purchasing power of the dollar. Higher interest rates attract foreign investors looking for better returns. For example, announcements of interest rate increases by the Fed are often followed by a spike in the value of the dollar against currencies such as the euro and the Japanese yen. When interest rates in the US rise, global capital flows tend to focus on dollar assets, increasing demand. Apart from interest rate policy, positive US economic data also supports the strengthening of the dollar. Indicators such as low unemployment and steady GDP growth give investors confidence that the US economy remains resilient. As the economy shows strong signs of recovery, investment decisions become more skewed towards dollar-based assets. Market sentiment also plays an important role in exchange rate movements. Global uncertainty, such as geopolitical tensions or economic crises in other countries, often makes investors turn to the dollar as a safe asset. This behavior strengthens the dollar, as demand for this currency increases in an uncertain situation. On the other hand, other major currencies, such as the euro and yen, are facing challenges. The eurozone, for example, is struggling with inflation and economic stagnation, which limits the potential growth of the euro’s value. In Japan, monetary policy remains loose, in contrast to the Fed’s policy direction, which adds pressure to the yen and weakens its competitiveness. Technical analysis shows that the dollar has a solid uptrend against other currencies. Resistance and support levels can be identified, providing clues to traders to make more informed decisions. As demand for the dollar increases, investors are becoming more optimistic about the potential for further strengthening. Exchange rate fluctuations also affect international trade. When the dollar strengthens, goods sold in dollars become more expensive for other countries, which can put pressure on US exports. Meanwhile, countries that import goods from the US may be impacted by a decline in their purchasing power. Despite the strengthening of the dollar, there are potential impacts for the global economy. Countries with large debts in dollars may face difficulties when installment costs increase due to changes in exchange rates. This leads to the risk of higher deficits and inflation in developing countries, which rely heavily on imports of goods. Monitoring monetary policy, economic data and market sentiment is important to understand the dollar’s future direction. When these factors converge, the potential for volatility to move up or down continues to exist. This makes traders and investors have to pay close attention to developments in the financial markets. Looking ahead, many expect the dollar’s strengthening to continue. However, changes in monetary policy in other countries and global factors such as the health crisis or changes in energy markets have the potential to influence this trend. Therefore, continuous analysis and responsiveness to changing circumstances will be the key to making the right investment decisions in foreign markets.