TOTAL VOLUME:
$114.5b
24H VOL:
$149,897,520
24H TRANSACTIONS:
1,380,975,298
OPEN INTEREST:
$1,214,596,905
340,805
Markets across
34,373
events
MATCHED EVENTS:
4,679
PLATFORM COVERAGE:
5
Polymarket:
42%
VS.
Kalshi:
58%
$
This market tracks which party will win the U.S. Senate seat from South Carolina in the 2026 election cycle. On Kalshi, Republicans winning the race is priced at 82.0%, while Democrats winning stands at 21.0%. The market resolves based on which party's representative is sworn in as Senator for the term beginning in 2027, according to Kalshi's resolution criteria. Watch for the outcome to crystallize as the general election approaches on November 5, 2026, when voters will determine the next senator.
If a representative of the Republican party is sworn in as a Senator of South Carolina for the term beginning in 2027, then the market resolves to Yes. If a representative of the Democratic party is sworn in as a Senator of South Carolina for the term beginning in 2027, then the market resolves to Yes.
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. While polls measure voter preference at a snapshot in time, prediction markets reflect the aggregated financial commitment of participants betting on actual outcomes. For the South Carolina Senate race, comparing market-implied probabilities to recent polling can reveal whether traders expect late-breaking developments or demographic shifts that surveys have not yet captured.
On Kalshi, the South Carolina Senate winner market is priced as a binary contract reflecting the probability that Democrats will win the seat. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The top outcome currently trades at 88.0%, meaning the market assigns that probability to a Democratic victory. Prices move continuously as new information emerges, campaign developments unfold, and traders adjust positions. Each contract settles to either 100 or 0 based on the final election result, making the current price a direct reflection of collective market belief about the race outcome.
The South Carolina Senate winner market resolves on Jan 4, 2027, following the general election date. Resolution is determined by the official election result for the U.S. Senate seat in South Carolina. Traders should monitor candidate announcements, campaign developments, and voter registration trends leading up to election day. The market will settle once the winning candidate is officially declared, concluding all open positions and determining final payouts based on the outcome.
Key catalysts for the South Carolina Senate market include candidate debate performances, major endorsements, campaign spending announcements, and breaking news about either candidate. Demographic shifts, voter registration surges, and turnout modeling updates can shift trader expectations. National political events, economic data, and legislative votes affecting South Carolina voters may also influence sentiment. Polling releases, especially late-stage surveys, typically trigger sharp price movements as they provide fresh data on voter preferences and race competitiveness.