Short Answer

Both the model and the market expect the Democratic party to win the FL-23 House race, with no compelling evidence of mispricing.

1. Market Behavior & Drivers

This prediction market has shown a distinct upward trend, with the probability of a Democratic victory in Florida's 23rd Congressional District rising from a starting point of 62.0% to a current price of 79.0%. The most significant price movement was a sharp 18.0 percentage point spike on April 27, 2026, which propelled the price from 62.0% to 80.0%. According to the provided context, specific news or social media events that might have caused this spike cannot be analyzed, as the date of the event is in the future. Following this spike, the price has traded between 79.0% and a high of 86.0%, suggesting a new, higher trading range has been established.
The market's price action indicates the initial 62.0% level served as a strong support base before the breakout. The peak of 86.0% represents the current resistance level. While the total volume traded is 2,207 contracts, the sample data points show zero volume around the time of the significant price spike, which may suggest that the move occurred in a thinly traded market or was the result of a single large order rather than broad market participation. Overall, the chart suggests a strong and strengthening market sentiment in favor of a Democratic party win. This sentiment is consistent with expert forecasts from the Cook Political Report and others noted in the provided context, which rate the district as "Lean Democratic".
  • Proposed redistricting aimed to imperil incumbent Democrats in South Florida.
  • Republican challenger Scott Singer out-raised incumbent Moskowitz in Q1 2026.
  • Expert forecasts consistently list FL-23 as "Lean Democratic" for the election.
  • A new congressional map sparked an 18-point market spike on April 27, 2026.
  • August 2026 Republican primary winner will significantly impact the general election.

Who Wins and Why

Outcome Market Model Why
Democratic party 79.0% 78.0% Expert forecasts list FL-23 as "Lean Democratic".
Republican party 19.0% 22.0% Proposed redistricting aimed to flip U.S. House seats, and their candidate significantly out-raised the incumbent.

Current Context

Prediction markets and expert forecasts currently favor a Democratic victory. As of the snapshot captured from the sources, the "FL-23 House Election Winner" market implies an 82% advantage for the Democratic candidate versus 18% for the Republican candidate, though these odds are live and subject to change [1]. Expert forecasts support this outlook, with the Cook Political Report listing FL-23 as “Lean Democratic” as of its last update on February 6, 2025 [2]. Ballotpedia’s forecaster tracking for FL-23 further indicates Lean Democratic ratings across Cook Political Report, Inside Elections, and Sabato’s Crystal Ball in its weekly updates during February 2026 [3][4].
The FL-23 election process concludes with the general election in November. For Florida’s 23rd Congressional District, the Republican primary election is scheduled for August 18, 2026 [5]. The general election day is set for November 3, 2026 [6].
Florida's election calendar outlines critical deadlines for voter participation. Key dates for voting operations include a registration and party-affiliation change deadline of July 20, 2026 [6]. Early voting for the primary election will run from August 8–15, 2026 [6]. For the general election, the voter registration deadline is October 5, 2026, with mandatory early voting scheduled from October 24–31, 2026 [6].
Sources (6)
  1. 1FL-23 House Election Winner Predictions & Odds 2026 | Polymarketpolymarket.com
  2. 2FL-23 2026 | Cook Political Reportcookpolitical.com
  3. 3Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org
  4. 4Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org
  5. 5Florida's 23rd Congressional District election, 2026 (August 18 Republican primary) - Ballotpediaballotpedia.org
  6. 6Election Dates - Division of Elections - Florida Department of Statedos.fl.gov

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

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

📈 April 27, 2026: 18.0pp spike

Price increased from 62.0% to 80.0%

Outcome: Democratic party

What happened: On April 27, 2026, a prediction market for the "FL-23 House winner?" saw an 18.0 percentage point spike for the "Democratic party" outcome. However, as April 27, 2026, is a future date, real-time social media activity, news events, or market data from that specific day are not yet available to analyze. The general election for Florida's 23rd Congressional District is scheduled for November 3, 2026 [1]. Therefore, it is not possible to identify the primary driver of this hypothetical prediction market price movement based on verifiable information.
Sources (1)
  1. 1Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org

4. Market Data

Contract Snapshot

Here's a summary of the contract rules for the Kalshi prediction market on the FL-23 House winner:

1. YES resolution: The market resolves to "Yes" if the House member sworn in for Florida's 23rd district for the term beginning in 2027 is a member of the Democratic Party. 2. NO resolution: Conversely, the market resolves to "No" if the sworn-in Representative for FL-23 for the 2027 term is not a member of the Democratic Party, as the market states the event is mutually exclusive. 3. Key dates/deadlines: The market opened on July 1, 2025, and will close following the swearing-in of the Representative for the seat in question, or by November 3, 2027, at 11:00 AM EDT. Payout is projected to occur 1 minute after closing. 4. Special settlement conditions: The outcome will be verified using information from the Library of Congress (www.congress.gov). Insider trading is strictly prohibited for numerous categories of individuals, including federal and statewide public office holders, campaign staffers, and employees of major polling organizations or media decision desks.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Democratic party $0.86 $0.20 79%
Republican party $0.21 $0.85 19%

Market Discussion

Prediction markets currently indicate the Democratic party is favored to win the FL-23 House race in the 2026 general election on November 3, 2026 [1]. ElectionOdds, powered by Kalshi, shows an 83% likelihood for the Democratic party, while Polymarket prices them at 66% [1]. Polymarket also highlights Jared Moskowitz and Oliver Adams Larkin as leading candidates in the FL-23 Democratic primary, which is scheduled for August 18, 2026 [2].

Sources (2)
  1. 1FL-23 House winner? | ElectionOddselectionodds.live
  2. 2Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org

5. Trust Index

Octagon Trust Index Kalshi 73 Good

Order book is critically thin.

Primary risk· Trade quality

How it adds up
Integrity80% of score83Good
Trade quality20% of score33High Risk

Includes the cost to trade: a $10,000 order can't be filled here because the order book is too thin.

Trust score73Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply
Market integrity
79Good

Outcome is hard to influence

Large tradesTrade signals · medium confidence

Largest single print on HOUSEFL23-26-R carried 48% of its $49 tape (contract holds 7.0% of the event's money; window is 100% of 24h flow; print is 14d old)

Screened clean
Thin-volume movesNo significant move Clear
Size patternsTape too thin Clear
2 screens not run
Outcome control · doesn't apply to this market type
Thin-leg conviction · doesn't apply to this market type
Info fairness
80Good

Structural prior — no screens apply

No suspicious activity on any screen

Screened clean
Information exposureNo concentrated group can know the outcome materially early. Clear
4 screens not run
Move vs. catalyst · doesn't apply to this market type
Longshot repricing · doesn't apply to this market type
Pre-broadcast certainty · doesn't apply to this market type
Cross-venue timing · doesn't apply to this market type
Resolution quality
92Strong

Resolution mechanism is dependable

No suspicious activity on any screen

Resolution rules read: Clear

Liquidity
29Very thin

Hard to fill near the screen price

2 contracts · worst first

Deborah Adeimy29
Very thin · low confidence

Light recent trading — size may not fill near the screen price.

Lois Frankel—
No recent trading to measure

No recent trading to measure

Move quality
70Stable

No significant moves

2 contracts · worst first

Lois Frankel—
No trading in 7d

No trades in the last 7d — nothing to confirm

Deborah Adeimy—
No trading in 7d

No trades in the last 7d — nothing to confirm

Rule clarity
100Clear

Counts toward Resolution quality, not here

2 contracts · worst first

Lois Frankel100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Deborah Adeimy100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Trade quality
33High Risk

Order book is critically thin

Thin market — entering or exiting at fair value will be difficult.

Outcome quality 29 (notional-weighted)

$100 order: 1.0c slippage (~1% of a 95c contract)

$1,000 order: 2.0c slippage (~2% of a 95c contract)

$10,000 order: book too thin to fill

Lois Frankel–Market scoreLiquidity–Move quality–Rule clarity100
Why this score
Liquidity
No recent trading to measure

No recent trading to measure

Move quality
No trading in 7d

No trades in the last 7d — nothing to confirm

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Deborah Adeimy29Market scoreLiquidity29Move quality–Rule clarity100
Why 29
Liquidity
29 · Very thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
No trading in 7d

No trades in the last 7d — nothing to confirm

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear

underwriting_v1.4 · computed Sep 23, 2026

6. How will the outcome of the August 18, 2026 Republican primary influence the general election forecast for Florida's 23rd District?

Primary Election DateAugust 18, 2026 [1]
FL-23 RatingLean Democratic (D+2) [2][3]
Scott Singer Q1 2026 Fundraising$1.3M raised, $1.23M cash on hand (by March 31) [4]
August 2026 primary winner will significantly impact Florida's 23rd District general election. The Republican primary on August 18, 2026, will determine the Republican challenger for incumbent Jared Moskowitz in Florida's 23rd Congressional District general election, scheduled for November 3 or 4, 2026 [1]. Despite the district being rated as "Lean Democratic (D+2)" by the Cook Political Report and other outlets [2][3], the general election forecast is currently very close. Polymarket's "FL-23 House Election Winner" indicates the Republican Party at approximately 50% and the Democratic Party at about 47%, suggesting a closely contested race [5].
The primary winner's quality and fundraising will heavily influence general election odds. The specific Republican candidate chosen in the primary is expected to significantly impact the outcome of this closely forecasted general election [4]. Nominee quality and fundraising capabilities are key factors that will likely affect the general election odds post-primary [4]. For example, Scott Singer reportedly raised about $1.3 million in the first quarter of 2026 and maintained approximately $1.23 million cash on hand by March 31, highlighting the potential importance of financial backing [4].
Sources (5)
  1. 1Florida's 23rd Congressional District election, 2026 (August 18 Republican primary) - Ballotpediaballotpedia.org
  2. 2FL-23 2026 | Cook Political Reportcookpolitical.com
  3. 3Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org
  4. 4Scott Singer floods CD 23 race with cash, lapping incumbent Jared Moskowitz in Q1 fundraisingfloridapolitics.com
  5. 5FL-23 House Election Winner Predictions & Odds | Polymarketpolymarket.com

7. Beyond polling, what on-the-ground campaign metrics, such as field office openings and volunteer activity, substantiate the Republican party's strategy to contest the 'Lean Democratic' FL-23 district in 2026?

Scott Singer RaisedOver $1.34M (as of Q1 2026) [1][2][3][4]
Raven Harrison Receipts$701,239 (as of Mar. 31, 2026) [1][2]
George Moraitis QualificationQualified for Aug. 18, 2026 primary ballot [5]
Republican candidates in FL-23 demonstrate significant fundraising and voter engagement. Multiple Republican candidates are actively contesting the August 18, 2026 primary election in Florida's 23rd Congressional District. Scott Singer has reported raising over $1.34 million and maintaining more than $1.2 million cash on hand during the first full quarter of his 2026 campaign [1][2][3][4]. Another candidate, Raven Harrison, has shown $701,239 in receipts and $176,034 cash-on-hand as of March 31, 2026 [1][2]. In a direct voter-contact effort, George Moraitis successfully collected the necessary petition signatures to qualify for the Republican primary ballot [5].
Quantified on-the-ground metrics for FL-23 are largely unspecified in current reporting. While Republican candidates are engaged in fundraising and ballot qualification, specific metrics such as FL-23 volunteer activity or dedicated field office openings remain largely undisclosed [6][7]. The Florida Republican Party does maintain a statewide volunteer-signup page for activities like door-knocking, phone banking, and event support [6]. At the county level, Republican party field office activity is evident, with the Lee GOP holding a grand re-opening of its headquarters for volunteer coordination and voter outreach [8]. However, the provided sources do not quantify specific volunteer activity for FL-23 in 2026, nor do they detail district-specific field office openings [6][7]. Descriptions of Scott Singer's campaign efforts predominantly focus on competitiveness and funding rather than specific field operations [9][1][2].
Sources (9)
  1. 1'We are in the best position': Scott Singer posts $1.3M opening haul toward flipping CD 23floridapolitics.com
  2. 2‘The America First Mayor’: Scott Singer launches first ad of GOP Primary for CD 23floridapolitics.com
  3. 3Florida's 23rd Congressional District election, 2026 (August 18 Republican primary) - Ballotpediaballotpedia.org
  4. 4Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org
  5. 5Republican George Moraitis Qualifies for Congressional District 23 Ballot · The Floridianfloridianpress.com
  6. 6Volunteer - Florida GOPflorida.gop
  7. 7Volunteer for Oliver's Campaign!oliverforcongress.com
  8. 8Lee GOP Headquarters Re-opens for Mid-term Elections - Lee County Republican Executive Committeeleegop.org
  9. 9FL-23 2026 | Cook Political Reportcookpolitical.com

8. How do the top declared Democratic and Republican candidates for FL-23 compare in fundraising totals and cash on hand as of the Q3 2026 FEC filing deadline?

Jared Moskowitz Ending Cash on Hand$1,217,063.57 (01/01/2025 to 03/31/2026) [1]
Scott Singer Quarterly Committee Fundraising Amount$1,347,715 (Q1-style) [2]
Scott Singer Committee Cash on Hand$1,231,087 (Q1-style) [2]
A full comparison of fundraising totals and cash on hand for the top declared Democratic and Republican candidates in Florida's 23rd Congressional District as of the Q3 2026 FEC filing deadline is not currently feasible. This is due to variations in the time periods covered by available data and a general absence of specific Q3 2026 figures [1]. For Democratic candidate Jared Moskowitz, the FEC candidate page reports an ending cash on hand of $1,217,063.57. However, these figures cover dates from January 1, 2025, to March 31, 2026, and are explicitly noted not to represent Q3 2026 data [1].
Scott Singer's available data shows strong early fundraising performance. Regarding Republican Scott Singer, available sources provide Q1-style fundraising and cash-on-hand figures, indicating a "Quarterly Committee Fundraising Amount" of $1,347,715 and "Committee Cash on Hand" of $1,231,087 [2]. It should be noted that the retrieved material did not include any Q3 2026 FEC-deadline cash-on-hand or total fundraising figures for Scott Singer [2]. Commentary highlights that Scott Singer significantly outpaced incumbent Jared Moskowitz in Q1 fundraising [3].
Sources (3)
  1. 1MOSKOWITZ, JARED - Candidate overview | FECfec.gov
  2. 2Fundraising in Florida's 23rd Congressional District | Quiver Quantitativequiverquant.com
  3. 3Scott Singer floods CD 23 race with cash, lapping incumbent Jared Moskowitz in Q1 fundraisingfloridapolitics.com

9. What is the schedule for public polling releases for the FL-23 general election between the August 18 primary and the November 3 general election?

Polling Release ScheduleNo fixed public polling release schedule specified for FL-23 general election [1][2]
Primary Election DateAugust 18, 2026 [1][2]
General Election DateNovember 3, 2026 [1][2]
No fixed public polling schedule exists for the FL-23 general election. Research indicates that the timing of public polling releases for the FL-23 general election, spanning the period between the August 18 primary and the November 3 general election, is not pre-determined or mandated by any election authority [1][2]. Instead, the release of polling data is typically a voluntary decision made by individual pollsters and data aggregators [1][2].
Election dates provide the only definite official schedule for the FL-23 cycle. The official primary election day for Florida's 23rd Congressional District is August 18, 2026, with the general election day following on November 3, 2026 [1][2]. Additionally, a Polymarket contract for the “FL-23 House Election Winner” is expected to resolve around November 4, 2026. While this date aligns closely with the general election, it represents the resolution of a prediction market rather than a scheduled public polling release [3][1].
Sources (3)
  1. 1Election Dates - Division of Elections - Florida Department of Statedos.fl.gov
  2. 2Florida's 23rd Congressional District election, 2026 (August 18 Democratic primary) - Ballotpediaballotpedia.org
  3. 3FL-23 House Election Winner Predictions & Odds | Polymarketpolymarket.com

10. What was the specific catalyst for the 18-point market price spike favoring the Democratic candidate on April 27, 2026, and what does it imply about market sensitivity?

Catalyst DateApril 27, 2026 [1][2][3][4]
Proposed Map ImpactRepublicans could flip up to four U.S. House seats [1][2][3][4]
Prediction Market ReactionLarge price move observed in markets (FL-23) [5][1]
On April 27, 2026, a new congressional map sparked market changes. The specific catalyst was Florida Governor Ron DeSantis's release of a proposed congressional map, designed to enable Republicans to gain up to four additional U.S. House seats [1][2][3][4]. This redistricting proposal was widely noted for potentially imperiling South Florida Democrats, including Representative Jared Moskowitz (FL-23), with litigation, court challenges, and "special session" timing identified as contributing factors [1][2][3][4]. Following this development, prediction markets tracking the FL-23 election observed a substantial price move. However, information detailing an 18-point market price spike favoring the Democratic candidate was not found in the provided facts.
Market reactions show significant sensitivity to election structure changes. The observed large price movement underscores an outsized sensitivity within prediction markets to catalysts related to election structure [5][1]. Prediction markets, such as Polymarket's "FL-23 House Election Winner," dynamically update their prices in real time as new information becomes available [5][1]. Even intermediate political developments, like the introduction of proposed district lines, are capable of generating considerable repricing activity well before the contract's final resolution, which is typically set for on or around November 4, 2026 [5].
Sources (5)
  1. 1DeSantis unveils a voting map that boosts Trump’s redistricting: NPRnpr.org
  2. 2Florida redistricting plan would flip 4 seats to Republicansnews-journalonline.com
  3. 3Florida Gov. DeSantis unveils proposed congressional map that could let GOP flip up to 4 seats - ABC Newsabcnews.com
  4. 4Gov. DeSantis releases proposed congressional map for Florida, could cut 4 Democratic seatsfloridapolitics.com
  5. 5FL-23 House Election Winner Predictions & Odds | Polymarketpolymarket.com

11. What Could Change the Odds

Key Catalysts

The Polymarket "FL-23 House Election Winner" market currently shows the Democratic Party as the frontrunner with a 66% implied probability, compared to the Republican Party's 34% [1][2]. The market is set to resolve on or around November 4, 2026, coinciding with the availability of official results [2]. Key upcoming dates include the candidate primaries on August 18, 2026, and the general election on November 3, 2026 [3][4][5]. These scheduled events are expected to introduce new information that could influence market probabilities.
A significant structural catalyst for the 2026 Florida House races is redistricting, with Florida's new congressional map expected to pass quickly through the Republican-controlled legislature [6]. This development carries implications for how Democratic members may be placed in districts [6]. Polymarket's analysis for midterm elections highlights that these markets are highly sensitive to new information and large trades [7]. This sensitivity suggests that different control outcomes could emerge, even as baseline odds shift [7].

Key Dates & Catalysts

  • Expiration: November 03, 2027
  • Closes: November 03, 2027
Sources (7)
  1. 1FL-23 House Election Winner Predictions & Odds 2026 | Polymarketpolymarket.com
  2. 2FL-23 House Election Winner Predictions & Odds | Polymarketpolymarket.com
  3. 3Florida's 23rd Congressional District election, 2026 (August 18 Democratic primary) - Ballotpediaballotpedia.org
  4. 4Florida's 23rd Congressional District election, 2026 (August 18 Republican primary) - Ballotpediaballotpedia.org
  5. 5Florida's 23rd Congressional District election, 2026 - Ballotpediaballotpedia.org
  6. 6Florida redistricting scramble begins: How redistricting could impact Floridacbsnews.com
  7. 72026 Midterms: Polymarket's Election Analysisactionnetwork.com