Anadolu via Getty ImagesKey FactsDow Futures dropped 0.22% to 46,518 points in premarket trading early on Tuesday, while the benchmark S&P 500 Futures fell 0.15% to 6,703.50 points. In addition to this, the White House budget office has signaled it could use a shutdown to carry out mass firings across several government agencies. What Do The Betting Markets Say About The Odds Of A Shutdown? Bettors believe the odds of a government shutdown have increased significantly after congressional leaders from both parties met with Trump at the White House on Monday but failed to reach a deal. Key BackgroundCongressional leaders from both parties met with Trump at the White House on Monday, but neither side could agree to a deal, and suggested that a shutdown looks imminent.