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Will Democrats sweep the "core four" Senate races? Kalshi Odds

Snapshot September 24, 2026 at 19:49 UTC · Category: Elections · Event KXDEMCOREFOURSENATESWEEP-26NOV03

As of September 24, 2026 at 19:49 UTC, Kalshi traders price Yes at 60% (60¢ per contract), with 300.6K contracts traded in total and 41.2K in the last 24 hours.

Current odds

OutcomeChance24h changeVolumeOpen interest
Yes60%
-6 pts300.6K139.1K

Chance = midpoint of the best Yes bid and ask on Kalshi (last trade when the spread is wider than 10¢). Volume and open interest are in contracts. Current availability, prices, close time, fees, and settlement wording must be verified on Kalshi directly before trading.

Last 30 days

0%25%50%75%100%Aug 26Sep 24

■ Yes · daily closing prices from Kalshi's public candlestick data

How this market settles

Excerpt of the contract rules from Kalshi's public market data:

“If Democrats win the 2026 Senate elections in ALL of the following states: Georgia, Michigan, North Carolina, AND Maine, then the market resolves to Yes. This market requires ALL specified candidates/parties/options to win their respective elections for a Yes resolution. If even one loses, the entire market resolves to No. For parliamentary elections, the party with the most seats wins. For referenda, the specified option must achieve the required threshold. For indirect elections, the ultimate officeholder matters, not intermediate selectors. Postponed elections remain open until rescheduled or two years from original date. Annulled elections remain open until re-run. Death after election but before taking office still counts as a win. In case of ties, the winner through the jurisdiction's tiebreak mechanism prevails. This market is eligible for accelerated determination two days after …”

Read the full rules and trade on Kalshi: open this market on Kalshi. How settlement works in general: Kalshi settlement guide. Costs: Kalshi fees, the fee calculator, the payout calculator and the APY calculator.

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Frequently asked questions

What are the Kalshi odds for Will Democrats sweep the "core four" Senate races?

As of September 24, 2026 at 19:49 UTC, Kalshi traders price Yes at 60% (60¢ per contract), with 300.6K contracts traded in total and 41.2K in the last 24 hours.

How are these Kalshi odds calculated?

Each outcome's probability is the midpoint between the best bid and ask for its Yes contract (or the last trade when the spread is wider than 10 cents). A 60-cent contract reads as roughly a 60% chance. The page is a dated snapshot refreshed twice a day, not a live quote.

When does the Will Democrats sweep the "core four" Senate races market close?

The listed close date is November 3, 2027. Settlement follows the contract rules summarised on this page; check them on Kalshi.

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Will Democrats sweep the "core four" Senate races? Kalshi Odds. (2026, September 24). Kalshi View. Retrieved September 24, 2026 at 19:49 UTC, from https://kalshiview.com/markets/will-democrats-sweep-the-core-four-senate-races/

BibTeX

@misc{kalshiview2026marketswilldemocratssweepthecorefoursenateraces, title = {Will Democrats sweep the "core four" Senate races? Kalshi Odds}, year = {2026}, month = {Sep}, note = {Snapshot 2026-09-24 19:49 UTC}, url = {https://kalshiview.com/markets/will-democrats-sweep-the-core-four-senate-races/}}

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