South Carolina Senate Election Winner: Annie Andrews (D)

Politics · closes Jan 14, 7:00 PM ET

Kalshi vs Polymarket US on the same question. Polymarket US prices YES at 17.5¢, Kalshi at 17¢ — a 0.5¢ gap. Prices are each venue’s own; confirm at the venue before acting.

Prices by venue

VenueYESOddsBidAskVolumeConfirmed
Kalshi17¢+48816¢18¢$2.5MOct 20, 2:52 AM ET
Polymarket US17.5¢+47117¢18¢$212kOct 20, 2:15 AM ET

0.5¢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 17.5¢Kalshi 17¢
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

This market will settle to Yes if the Democratic Party nominee wins the 2026 midterm election for US Senator from South Carolina. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

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.

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