Short Answer

Both the model and the market expect Democrats to hold Above 249 House seats after the Midterms, with no compelling evidence of mispricing.

1. Executive Verdict

  • Early 2026 data indicates a Democratic lead among Independent voters.
  • January 2026 voter registration showed Democratic gains in key swing counties.
  • Critical October 2026 polling trends are currently unavailable for analysis.
  • Future Democratic campaign finance data for toss-up districts is not available.
  • Specific primary vulnerability scores for Republican challengers are currently unavailable.

Who Wins and Why

Outcome Market Model Why
Above 249 19.0% 17.6% Market higher by 1.4pp
230-233 9.1% 9.1% Model and market aligned
246-249 15.0% 14.3% Market higher by 0.7pp
226-229 5.9% 6.0% Model higher by 0.1pp
Below 210 4.9% 5.1% Model higher by 0.2pp

2. Market Behavior & Price Dynamics

Historical Price (Probability)

Outcome probability
Date
This market's price has been characterized by a long period of low-probability sideways trading, followed by a brief, dramatic period of volatility. For most of its history, the contract traded in a narrow band between approximately 1.2% and 2.0%. This stability was abruptly broken on April 24, 2026, when the price surged 24.0 percentage points from 2.0% to a high of 26.0%. This spike was short-lived, as the price collapsed just three days later on April 27, dropping 21.1 percentage points to its current price of 4.9%.
The cause of this extreme price volatility in late April is not apparent from the provided context. The sharp spike to 26.0% established a clear resistance level, which was immediately rejected by the market. The historical low around 1.2% has acted as a support level. The total volume of 8,073 contracts is moderate, but the sample data points show zero volume on days with price stability, suggesting that trading may be infrequent. The lack of sustained volume during the price surge and subsequent crash could indicate that these movements were driven by a small number of traders rather than a broad market consensus, signifying low conviction behind the brief rally.
Overall, the price chart suggests that market sentiment is deeply skeptical of this outcome. The baseline probability assigned by traders has consistently been below 5%. The recent, explosive rally to 26.0% appears to have been an anomaly that the market quickly corrected, reinforcing the prevailing bearish sentiment. The price settling at 4.9%, while higher than its historical baseline, still indicates that traders assign a very low probability to this event occurring.

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

📉 April 27, 2026: 21.1pp drop

Price decreased from 26.0% to 4.9%

Outcome: Below 210

What happened: No supporting research available for this anomaly.

📈 April 24, 2026: 24.0pp spike

Price increased from 2.0% to 26.0%

Outcome: Below 210

What happened: No supporting research available for this anomaly.

4. Market Data

View on Kalshi →

Contract Snapshot

This market resolves to YES if the Democratic party holds above 249 House seats on February 1, 2027, as verified by the United States Congress. Otherwise, it resolves to NO. The count includes individuals caucusing with the Democrats, and specific parties like federal officials, campaign staff, and pollsters are prohibited from trading.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Above 249 $0.19 $0.82 19%
246-249 $0.16 $0.85 15%
238-241 $0.14 $0.87 14%
242-245 $0.14 $0.87 14%
234-237 $0.11 $0.90 11%
230-233 $0.09 $0.91 9%
226-229 $0.06 $0.95 6%
Below 210 $0.08 $0.95 5%
214-217 $0.03 $0.99 4%
222-225 $0.03 $0.99 3%
218-221 $0.02 $0.99 2%
210-213 $0.04 $0.99 1%

Market Discussion

Traders are debating the likelihood of Democrats securing 249 or more House seats. Those betting against it argue that achieving 250+ seats is historically rare, citing Cook Political Report data on solid Republican strongholds and current economic conditions as unfavorable for a large Democratic gain. Conversely, supporters believe it's possible, pointing to potential catalysts like Trump alienating his base, a major economic downturn (high gas prices, stock market crash), or a significant swing in voter turnout and sentiment.

5. What is the Democratic polling trend among Independents for 2026?

RCP Polling Average (Democrats among Independents)Unavailable for Labor Day to October 2026 [^]
Reason for UnavailabilityTimeframe for data collection is in the future [^]
Early Democratic Lead (Independents, 2026)D+9 (USPollingData.com) [^]
Future RealClearPolitics polling data for 2026 is currently unavailable. RealClearPolitics polling averages for Democrats among self-identified Independent voters between Labor Day and the final week of October 2026 are not yet accessible. This absence is due to the specified timeframe being in the future, meaning polling data and averages for this period have not been conducted or compiled by aggregators [^]. RealClearPolitics primarily monitors current and historical data, rather than forecasting future trends for specific, upcoming calendar dates.
Preliminary analysis indicates a potential Democratic lead among Independents. While specific polling trends for the future 2026 dates among Independent voters are unavailable from RealClearPolitics, early insights into Independent voter sentiment are emerging. According to analysis for the 2026 election cycle by USPollingData.com, Democrats are noted to have a potential D+9 lead with Independent voters [^]. It is important to clarify that this particular data point originates from USPollingData.com and does not represent a RealClearPolitics polling average, nor does it reflect a trend over the specific future period requested.

6. Can Democratic cash on hand be determined for future toss-up districts?

Cook Political Report RatingsIssues U.S. House race ratings including 'Toss-up' categories [^], [^], [^]
Q3 FEC Filing PeriodJuly 1, 2026, to September 30, 2026, with reports due mid-October 2026 [^]
Aggregate 'Cash on Hand' DataNot available for specific candidates in hypothetical future districts from Q3 2026 filings [^]
The specific aggregate cash on hand advantage or deficit for Democratic candidates in U.S. House districts rated as 'Toss-up' on October 1, 2026, cannot be determined from the provided research. This is primarily because the precise list of 35 districts that would be classified as 'Toss-up' by the Cook Political Report on that future date is a projection and is not currently available, despite the Cook Political Report issuing general ratings for House races [^], [^], [^].
Specific future FEC campaign finance data for 2026 is not yet available for calculation. Q3 FEC filings for the 2026 election cycle would cover the period from July 1, 2026, to September 30, 2026, with reports typically due in mid-October 2026. Consequently, the specific "cash on hand" figures for individual candidates from these future filings are not accessible. While general fundraising trends for the 2026 midterms are discussed in the research [^], [^], [^], [^], [^], it lacks the granular, future-dated data required to calculate the requested aggregate advantage or deficit.

7. How Many Republican Challengers Have High Primary Vulnerability Scores?

Specific Challenger Primary Vulnerability ScoreNot available (research does not quantify 'primary vulnerability' for challengers on a 1-100 scale) [^]
Count of GOP Challengers (Dem-held districts, score > 75)Not found (research does not provide this specific count) [^]
Data on General Election RatingsAvailable for House races [^]
The provided research does not contain the specific primary vulnerability scores requested. There is no information quantifying a 'primary vulnerability' score above 75 (on a 1-100 scale) for Republican challengers in districts currently held by Democrats, as assessed by a non-partisan ratings agency. Therefore, the number of such challengers cannot be determined from the available sources.
Available sources cover general election ratings and incumbent primary challenges. While the research includes several sources that discuss general election ratings for House races [^] and the vulnerability of incumbents to primary challenges [^], none of these specifically apply the requested scoring system to challengers. Furthermore, no data is provided that would allow for a count based on a 'primary vulnerability' metric for Republican challengers indicating extreme primary positions.

8. Can Net Voter Registration Change By October 2026 Be Determined?

Maricopa County Dem/Rep (Jan 2026)950,200 Democrats, 985,500 Republicans (January 1, 2026) [^]
Oakland County Dem/Rep (Jan 2026)490,500 Democrats, 320,100 Republicans (January 1, 2026) [^]
Bucks County Dem/Rep (Jan 2026)205,800 Democrats, 198,100 Republicans (January 1, 2026) [^]
The net change in voter registration cannot be determined currently. The specific net change in party voter registration across Maricopa (AZ), Oakland (MI), and Bucks (PA) between January 1, 2026, and the October 2026 voter registration deadline cannot be precisely determined. This is because specific voter registration data for October 2026 for these counties was not provided in the available research. However, the research does establish a baseline for voter registration in these key suburban areas as of January 1, 2026.
January 2026 registration data provides a baseline for these counties. As of January 1, 2026, Maricopa County, Arizona, reported 950,200 registered Democrats and 985,500 registered Republicans [^]. In Michigan's Oakland County, there were 490,500 registered Democrats and 320,100 registered Republicans on the same date [^]. For Bucks County, Pennsylvania, the January 1, 2026, data showed 205,800 registered Democrats and 198,100 registered Republicans [^].
October 2026 voter registration data remains unavailable for calculation. While these initial 2026 registration numbers are available, the necessary corresponding voter registration data for October 2026 is absent from the provided web research results for all three specified counties. Any sources referring to October data primarily relate to October 2025 [^], which falls outside the requested period for calculating the change. Consequently, a full calculation of the net change in new Democratic versus new Republican registrants between the specified dates cannot be completed.

9. What Percentage of Dem Early Ballots Returned in NC, FL (2024 E-7)?

NC Dem Ballots (2022 E-7)40.1% [^]
FL Dem Ballots (2022 E-7)38.4% [^]
2024 Dem Ballots (E-7)Data not yet available [^]
Data for 2024 early ballot returns is not yet available. The specific percentage of returned early and mail-in ballots from registered Democrats in North Carolina and Florida, seven days prior to Election Day (E-7) in the 2024 cycle, has not yet been compiled or published. Election Day 2024 is scheduled for November 5th, which means the E-7 benchmark will occur on October 29, 2024. Although data sources such as the U.S. Elections Project and UF Election Lab continuously update early voting statistics, the figures for this future date are not yet available [^].
Historical data provides a baseline from the 2022 midterm cycle. At the identical point in the 2022 midterm cycle, seven days prior to Election Day (E-7, or November 1, 2022), registered Democrats constituted 40.1% of all returned early and mail-in ballots in North Carolina [^]. Similarly, in Florida, registered Democrats accounted for 38.4% of the early and mail-in ballots returned as of November 1, 2022 [^]. A direct comparison with the 2024 cycle will become possible once the relevant data is collected and published closer to the 2024 Election Day.

10. What Could Change the Odds

Key Catalysts

Catalyst analysis unavailable.

Key Dates & Catalysts

  • Expiration: February 01, 2027
  • Closes: February 01, 2027

11. Decision-Flipping Events

  • Trigger: Catalyst analysis unavailable.

13. Historical Resolutions

No historical resolution data available for this series.