Jerome Powell
Federal Reserve chair Jerome Powell.
  • It's highly unlikely the Federal Reserve will raise interest rates again Wednesday.
  • But traders will be closely eyeing Jerome Powell's post-decision press conference.
  • The Fed chair is expected to signal that borrowing costs could stay higher for longer, with the fight against inflation not yet over.

The Federal Reserve is highly likely to keep interest rates unchanged this week, but chair Jerome Powell may not leave much room for investors to bet that the most aggressive US monetary-tightening cycle since the 1980s is finally over.