Two court rulings in the past two weeks have hit the chances that Democrats flip control of the House in November, according to traders on prediction markets platform Kalshi.
Odds that the party wins control of the lower chamber have fallen to 75% from 85.3% on April 28.
On April 29, the Supreme Court ruled in Louisiana v. Callais that a majority-Black congressional district in Louisiana was invalid, limiting how much race can be considered when drawing congressional maps and weakening part of the Voting Rights Act.
That district, like many of the other majority-black congressional districts across the South, is represented by a Democrat. Louisiana is moving to redraw its maps in a move that will likely see one less Democratic member of Congress sent from the state.
Other states have rushed to redraw their maps in reaction to the decision too. Tennessee last week approved a map to alter the boundaries of a majority-Black district in Memphis, endangering the re-election of Democrat Rep. Steve Cohen. Alabama and South Carolina are also considering redrawing their maps, potentially endangering up to three Democratic incumbents.
