TOTAL VOLUME:
$116.8b
24H VOL:
$74,316,137
24H TRANSACTIONS:
1,362,287,844
OPEN INTEREST:
$1,155,356,965
338,521
Markets across
33,297
events
MATCHED EVENTS:
4,228
PLATFORM COVERAGE:
5
Polymarket:
42%
VS.
Kalshi:
58%
Republican party
- Kalshi
Republican party - Kalshi
88%
1W
News
Positive
Negative
Neutral
Hover marker for details
Aug 20
Aug 21
Aug 22
Aug 23
Aug 25
Aug 26
Aug 27
Vol.
$36.8k
·
Resolves Jan 4, 2027
$
This market tracks whether Republicans will win the Senate race in South Carolina. On Kalshi, the current probability that Republicans will win is 89.0%, while Democrats have a 12.0% chance. The market will resolve based on the party of the representative sworn in as Senator for the 2027 term. Watch for the swearing-in of the elected candidate on 2027-01-04, which will determine the outcome.
Resolution is determined by which party's representative is sworn in as Senator of South Carolina for the term beginning in 2027. The market resolves to Yes if either a Republican or Democratic party representative assumes the office, with each party having a separate market outcome.
Prediction market odds on Kalshi often diverge from traditional polling because traders incorporate real-time information, fundraising data, and historical turnout patterns that polls may lag. Markets aggregate dispersed knowledge from many participants with financial incentives to forecast accurately, whereas polls capture voter sentiment at a single moment. South Carolina Senate races typically see prediction markets price in structural factors like voter registration trends and campaign momentum faster than polls update. Comparing market odds to recent polls can reveal where traders believe the race is moving or where public opinion may shift before the next survey.
On Kalshi, the South Carolina Senate winner market is priced as a binary contract reflecting the probability of the Democratic candidate winning the race. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The top outcome currently trades at 87.0%, meaning the market assigns that probability to a Democratic victory. Prices move continuously as traders buy and sell contracts based on news, polling shifts, and campaign developments. Kalshi's order-book model allows you to see all pending bids and offers, giving transparency into where the next trades may occur and how much liquidity exists at different price levels.
The South Carolina Senate winner market resolves on Jan 4, 2027, following the official election date. Resolution is determined by the certified election results from South Carolina's election authority. The market will settle based on which candidate receives the most votes and wins the Senate seat. Traders should monitor official state announcements and any recount or legal proceedings that may affect the final certified outcome, as resolution timing can shift if disputes arise.
Key catalysts for the South Carolina Senate race include candidate debate performances, major endorsements, campaign spending announcements, and shifts in national political momentum. Polling releases—especially from high-quality firms—often trigger sharp price moves on Kalshi. Unexpected candidate statements, personal controversies, or economic news affecting voter priorities can reshape trader expectations. Voter registration milestones and early voting turnout data in the final weeks typically amplify volatility. National Senate dynamics and fundraising reports also influence how traders price South Carolina's competitive race, as the seat's importance to chamber control may shift.