Kevin Warsh, chairman of the US Federal Reserve nominee for US President Donald Trump, during a Senate Banking, Housing, and Urban Affairs Committee confirmation hearing in Washington, DC, US, on Tuesday, April 21, 2026. Graeme Sloan | Bloomberg | Getty Images Odds that Kevin Warsh will be confirmed as chairman of the Federal Reserve in less than a month from now surged on prediction markets platform Kalshi after the Department of Justice said Friday it was dropping its inquiry into current Fed Chair Jerome Powell. Bettors on the platform now see an 86% chance that Warsh's nomination is approved by the U.S. Senate by May 15, and a more than 97% chance that happens by June 1.  Before the probe into Powell was dropped on Monday morning, bettors placed the chance of confirmation by May 15 at about 30% odds.  The end of the inquiry meets a key demand of Sen. Thom Thillis, a North Carolina Republican.…