The US Dollar Index (DXY) took a surprising turn on Monday, shedding its early gains and settling near 99.15 during the European trading session. This shift in sentiment comes on the heels of a significant development in the Strait of Hormuz, a critical shipping lane for oil transportation. The news of Iranian and Omani technical teams meeting in Oman to negotiate a mechanism for safe transit has sparked a wave of optimism, potentially easing tensions and reducing the likelihood of restricted shipping. This development has had a profound impact on the US Dollar's performance, as higher oil prices due to Hormuz disruptions have historically favored the Greenback, causing inflationary pressures globally and dampening expectations of interest rate cuts by the Federal Reserve (Fed). The US Consumer Price Index (CPI) for April accelerated to 3.8% Year-on-Year (YoY), the highest in almost three years, further fueling the Fed's potential for rate hikes. The CME FedWatch tool currently predicts a 54.5% chance of at least one rate hike this year, a stark contrast to the two cuts anticipated during peacetime. This shift in monetary policy expectations has sent shockwaves through the markets, with investors now closely monitoring the Federal Open Market Committee (FOMC) minutes from the April policy meeting, set for release on Wednesday. The US Dollar's dominance as the world's reserve currency and its heavy trading volume, accounting for over 88% of global foreign exchange turnover, make it a critical barometer of global economic sentiment. The Fed's dual mandates of price stability and full employment, achieved through interest rate adjustments, are the primary drivers of the US Dollar's value. When inflation rises above the 2% target, the Fed raises rates, strengthening the USD. Conversely, when inflation falls below 2% or unemployment is high, the Fed may lower rates, impacting the Greenback's value. In extreme cases, the Fed can employ quantitative easing (QE), printing more dollars to stimulate the economy, which typically weakens the USD. Conversely, quantitative tightening (QT) strengthens the USD by reducing the money supply. The Strait of Hormuz negotiations, therefore, have far-reaching implications for the US Dollar's trajectory, influencing not only its value but also the global economic landscape and the Fed's monetary policy decisions.