The U.S. dollar hovered below a one-week high on Thursday and European stock markets opened flat as investors braced for three days of potentially market-moving news from the Federal Reserve's annual symposium in Jackson Hole.

Federal Reserve Chairman Jerome Powell's remarks at the Jackson Hole Symposium. The first one is the 180-day call-put skew derived from options trading on Deribit, the largest crypto options exchange by volume and open interest.

Jerome Powell’s speech at the Federal Reserve’s August summit in Jackson Hole, Wyoming, is always a high-stakes moment. This year, the central bank’s chair takes the podium under fire – facing fierce attacks from US President Donald Trump and a growing insurgency within his own institution.

The U.S. dollar was little changed on Wednesday as traders awaited a speech from Federal Reserve Chair Jerome Powell at the annual Jackson Hole central bankers' symposium later this week for clues on the path of monetary policy.

Jerome Powell has the ideal platform Friday to deliver a clear signal the Federal Reserve is about to resume cutting interest rates. But the economy isn’t giving him an equally clear signal that now is the time.

The stock market is heading into a catalyst-filled week as Fed Chair Jerome Powell gets ready to speak at Jackson Hole and big retailers report earnings.

By Howard Schneider WASHINGTON (Reuters) -Fed Chair Jerome Powell used the central bank's annual Wyoming research conference to promise inflation-fighting rigor when it was needed in 2022, then last year he came to the defense of the job market with promises of lower interest rates when the unemployment rate seemed on a steady rise.