Will Democrats win the United States Senate in 2026?

Politics · closes Feb 1, 10:00 AM ET

Kalshi vs Polymarket US on the same question. Polymarket US prices YES at 62.95¢, Kalshi at 62.5¢ — a 0.45¢ gap. Prices are each venue’s own; confirm at the venue before acting.

Prices by venue

VenueYESOddsBidAskVolumeConfirmed
Kalshi62.5¢-16762¢63¢$6.9MOct 20, 2:07 AM ET
Polymarket US62.95¢-17062.9¢63¢$20.2MOct 20, 1:15 AM ET

0.45¢cross-venue gap on YES. Two quotes differ only when each venue’s book rules out the other’s price; a one-sided or wide book reads as a bound, not a price.

Price history

0¢25¢50¢75¢100¢Jul 22Aug 21Sep 20Oct 20Polymarket US 63¢Kalshi 62.5¢
KalshiPolymarket US

Last 90 days, daily closes beyond the raw week. Kalshi solid, Polymarket dashed. A break in a line is a gap in the record, not a move.

How it settles

If the Democratic Party has won control of the U.S. Senate in 2026, then the market resolves to Yes.

Each venue settles on its own rules; the text above is the primary venue’s. A gap can be a rules difference, not a mispricing.

Open it in the terminal

Live card for this market — both venues streaming, the order book, the arbitrage calculator and related news.

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