By David Randall

NEW YORK, Oct 15 (Reuters) - Jerome Powell may still be the clear favorite to get renominated as Federal Reserve Chairman, but some investors are considering the long-shot alternative should there be a surprise change.

Powell's odds in betting markets have fallen following sharp criticism of his performance by progressive Democrats and a trading scandal among Federal Reserve officials.

Online betting website PredictIt now gives website Powell a 76% chance of being confirmed by the U.S.

Senate, down from a 90% chance on September 12 although up from a 61% chance in late September, Online betting while the odds that Federal Reserve Governor Online betting Lael Brainard will be nominated have increased to 18% from a low of 6% in September.