TOTAL VOLUME:
$114.9b
24H VOL:
$111,074,919
24H TRANSACTIONS:
1,328,557,186
OPEN INTEREST:
$1,171,106,560
327,062
Markets across
32,198
events
MATCHED EVENTS:
3,044
PLATFORM COVERAGE:
5
Polymarket:
42%
VS.
Kalshi:
58%
Republican party
- Kalshi
Republican party - Kalshi
60%
1W
News
Positive
Negative
Neutral
Hover marker for details
Aug 15
Aug 16
Aug 18
Aug 19
Aug 20
Aug 21
Aug 22
Vol.
$42.3k
·
Resolves Jan 4, 2027
$
This market tracks whether Republicans will win the Senate race in Iowa. On Kalshi, the current probability that Republicans will win is 57.0%, with Democrats at 43.0%. The outcome will be resolved based on who is sworn in as Senator for the term beginning in 2027. Watch for developments leading up to the January 4, 2027 resolution date, which will determine the final result.
The Iowa Senate market resolves based on the party affiliation of the candidate sworn in as U.S. Senator for the term beginning in 2027. A Republican party representative being sworn in resolves the market to Yes under one outcome, while a Democratic party representative being sworn in resolves it to Yes under another outcome. The resolution depends on the official swearing-in of the elected Senator for the specified term.
On Kalshi, the Iowa Senate winner market is priced as a binary contract on whether Republicans will win the race. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The top outcome currently reflects a 59.0% chance for a Republican victory. Traders buy or sell shares at prices between 0 and 100 cents, with each cent representing a 1% implied probability. Total volume across all outcomes stands at $1,667,089, indicating active participation. Prices update continuously as new trades execute, allowing real-time discovery of the market's consensus probability on the Republican candidate's chances.
The Iowa Senate winner market on Kalshi resolves on Jan 4, 2027, following the official election date. Resolution is determined by the certified election results for Iowa's U.S. Senate seat. The market will settle based on which party's candidate receives the most votes and is declared the winner by Iowa election officials. Traders should monitor official state election announcements and any potential recounts or legal challenges that could affect the final determination before the resolution deadline.
Key catalysts for Iowa Senate odds include candidate debate performances, major campaign spending announcements, endorsements from high-profile figures, and shifts in national political sentiment. Economic data, voter registration trends, and turnout models can also influence market prices. Polling releases remain significant signals, though markets may front-run or discount polls based on historical accuracy. Campaign gaffes, fundraising reports, and local media coverage of candidate positions on agriculture, energy, and healthcare—issues central to Iowa voters—could trigger sharp repricing. Election day itself and early voting patterns will drive final moves.