Polymarket puts Democrats at 68% to sweep the midterms

As seen on the 24/7 Wall St. homepage on October 23, 2026.

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Polymarket put a Democratic midterm sweep at 68% on October 23, with the vote less than two weeks away.

Defense names have been selling off as sweep bets gain traction, reflecting the market's read that a unified Democratic government would reshape spending and regulatory priorities.

Any meaningful shift in those odds sets off another round of sector rotation.