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.

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.

Jay 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 Donald Trump and a growing insurgency within his own institution.