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Senate is still a toss-up, but Democrats now have slight edge, prediction market traders think

Traders on both Kalshi and Polymarket see Democrats with one of their best chances to flip the U.S. Senate since the contracts on the election opened.

1 report1 sourceSep 16, 2026, 4:26 PM
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CNBCSep 16, 2026, 4:26 PM

Senate is still a toss-up, but Democrats now have slight edge, prediction market traders think

Traders on both Kalshi and Polymarket see Democrats with one of their best chances to flip the U.S. Senate since the contracts on the election opened.

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