TOTAL VOLUME:

$148.8b

24H VOL:

$198,054,468

24H TRANSACTIONS:

2,818,096,072

OPEN INTEREST:

$1,851,647,753

460,044

Markets across

34,696

events

MATCHED EVENTS:

2,795

PLATFORM COVERAGE:

5

Polymarket:

38%

VS.

Kalshi:

62%

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Elections
Ohio State Senate winner?
kalshi

Ohio State Senate winner?

Apr 16, 2026, 10:00 AM EST - Nov 3, 2026, 10:00 AM EST
Total volume:
$21,321
Volume 24h:
$0
100%
Liquidity:
N/AN/A
Open interest:
$12,465
0%

Republican party

 - Kalshi

Republican party - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Nov 3, 2026

Time left: 08d:23h:07m

Who will win the Ohio State Senate?

96%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 97¢ buys you 103 shares | Odds: 96% Total Payout: $103 | Net Profit: $3 Multiplier: 1.03x | ROI: 3% | APY: 244% 8 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Republican party

Trade
96%
Yes 97¢No 4¢
1¢
N/A
$10,025
0%
32%
$5,393
1w 1d 23h
active
kalshi

Democratic party

3%
Yes 3¢No 98¢
1¢
N/A
$11,296
0%
4%
$7,073
1w 1d 23h
active
Total markets: 2

Intro

This market tracks which party will control the Ohio State Senate following the 2026 elections. On Kalshi, the Democratic party winning is priced at 86.0%, while Republicans winning is at 9.0%. Resolution will be determined by official election results from the 2026 Ohio State Senate races. Watch the November 3, 2026 election day results to see how voters in Ohio ultimately decide control of the state chamber.

Kalshi

The Ohio State Senate winner is determined by which party holds more seats than any other party two weeks after the State Senate is seated for the session following the 2026 election. If both parties are tied in seat count, the market resolves to No. Media consensus projections may enable accelerated determination of the winner.

Frequently asked questions

Currently, prediction market odds suggest a different outcome than many public polls. While polls often show a close race, this market indicates a stronger likelihood of one candidate prevailing. It’s important to remember that polls capture a snapshot in time and are subject to sampling error, while prediction markets aggregate the wisdom of the crowd, incorporating a wider range of information and continuously updating expectations. Discrepancies between prediction markets and polls can arise due to differing methodologies and the types of information considered by each.

On Kalshi, this market is priced through a continuous order book where traders buy and sell contracts representing different outcomes of the Ohio Senate election. The price of a contract reflects the market’s assessment of the probability of that outcome occurring; higher prices indicate a greater perceived chance of success. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price adjusts dynamically based on supply and demand, meaning that as more people buy contracts for a particular outcome, the price increases, and vice versa. This creates a real-time signal of collective belief about the election’s likely result.

This market resolves around Nov 3, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results announced by the relevant election authorities for the Ohio State Senate election. Traders will be able to see the final outcome and any relevant supporting information on Kalshi once the resolution process is complete. The market will then settle, and winning contracts will be paid out according to their final price.

Several factors could significantly impact this market before Nov 3, 2026. Major news events, such as debates, candidate gaffes, or significant policy announcements, could shift voter sentiment and, consequently, market prices. Changes in polling data, especially if they indicate a substantial shift in support for one candidate, would also likely move the market. Unexpected endorsements or financial contributions could also influence trading activity. Finally, any developments related to voter turnout or potential challenges to the election's integrity could introduce volatility into this market.