Even after the Federal Reserve raised interest rates for a considerable amount of time, the US dollar has recently appreciated due to indications of the country's robust economy.
September saw a sharp increase in US consumer spending, and the third quarter saw the greatest growth of the US economy in almost two years.
When the Fed announces its decision on Wednesday, policymakers are expected to maintain current interest rates. The Fed will meet this week.
But as markets continue to fret about rising inflation, they are worried that these good data suggest higher interest rates will be around for a longer time.