Washington-Regardless of the vehement claims by US President Donald Trump after interest reductions, the US Federal Reserve keeps the key interest rate stable. The range is still between 4.25 and 4.5 percent, as the Central Bank Council of the Federal Reserve (Fed) announced in Washington. Market observers had already expected this – they assume an interest rate reduction at the meeting in September. The key interest rate is important for banks: You can borrow money from the Fed.