Short Answer

Both the model and the market expect Jim Schwartzel to receive at least 15% of the vote in the FL-19 Republican primary, with no compelling evidence of mispricing.

1. Market Behavior & Drivers

This market trended consistently downward from its opening price of 27.0% to a final price of 1.0%. The contract saw two significant downward movements. The first was a drop to 18.0% around August 15, 2026; the provided research does not contain a specific catalyst for this price change. The definitive move was a collapse to 1.0% following the August 18 primary. This was a direct result of the official vote count being announced. Jim Schwartzel won the primary with 29.39% of the vote, falling just short of the 30% threshold for this market to resolve affirmatively.
Total volume over the life of the contract was 9,201 contracts. Trading volume appears to have been highest after the outcome was certain, as seen in the 187 contracts traded on August 20 while the price held at 1.0%. The price action suggests that initial market sentiment assigned a roughly one-in-four chance of Schwartzel clearing the 30% mark. This sentiment eroded in the final days of the campaign and was definitively settled by the certified election results. The opening price of 27.0% served as the market's effective ceiling, while the post-election price of 1.0% established a final floor.
  • Jim Schwartzel's 29.39% vote share confirmed passing the 15%, 20%, and 25% thresholds.
  • He did not reach the 30% or higher thresholds with 29.39% of the vote.

Who Wins and Why

Outcome Market Model Why
At least 35% 1.0% 0.0% Jim Schwartzel's vote total confirmed he did not reach the 35% threshold.
At least 30% 1.0% 0.0% Jim Schwartzel's vote total confirmed he did not reach the 30% threshold.
At least 25% 99.0% 100.0% Jim Schwartzel's vote total confirmed he surpassed the 25% threshold.
At least 20% 99.0% 100.0% Jim Schwartzel's vote total confirmed he surpassed the 20% threshold.
At least 15% 99.0% 100.0% Jim Schwartzel's vote total confirmed he surpassed the 15% threshold.

Current Context

Jim Schwartzel won Florida's 19th Congressional District Republican primary. On August 18, 2026, Schwartzel secured the nomination with 29.39% of the vote, totaling 19,125 votes [1]. He defeated nine other candidates in the primary election [2][3][4][5].
Schwartzel's win came in a crowded field of ten candidates. Official results showed Jim Schwartzel with 29.39%, followed by Catalina Lauf (21.39%), Jim Oberweis (15.82%), Madison Cawthorn (8.38%), Chris Collins (7.42%), Mike Pedersen (6.95%), John Strand (3.28%), Ola Hawatmeh (3.11%), Greg "Tex" Bukowski (2.34%), and Linda J. Sawyer (1.90%) [1]. This primary decided the successor to incumbent U.S. Rep. Byron Donalds, who ran for Governor in 2026 [6]. Florida's 19th District is a Republican stronghold, positioning the primary winner as a heavy favorite for the general election [6][3].
Sources (6)
  1. 1Election Date: 8/18/2026enr.electionsfl.org
  2. 2Florida's 19th Congressional District election, 2026 (August...ballotpedia.org
  3. 3Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  4. 4August 18, 2026, election resultsballotpedia.org
  5. 5Daily Brew: August 20, 2026ballotpedia.org
  6. 6Jim Schwartzel wins costly and heated GOP Primary over Catalina Lauf for Byron Donalds' CD 19 seatfloridapolitics.com

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.

Outcome: At least 30%

📉 August 19, 2026: 90.0pp drop

Price decreased from 93.0% to 3.0%

What happened: The 90.0 percentage point drop in the prediction market price for Jim Schwartzel achieving "At least 30%" of the vote in the FL-19 Republican primary was primarily driven by the public announcement of the election results on or around August 18-19, 2026 [1][2]. Schwartzel won the primary but received approximately 29.4% of the vote, falling just short of the 30% threshold [1][2][3]. This definitive outcome, a traditional news event, directly caused the market price for the "At least 30%" outcome to plummet as it became clear the condition was not met [1][2][3]. Social media activity was irrelevant as a primary or contributing driver for this specific, post-election market correction.

📉 August 16, 2026: 10.0pp drop

Price decreased from 29.0% to 19.0%

What happened: Based on the provided information, there is no evidence of specific social media activity or traditional news announcements that caused a 10.0 percentage point drop in Jim Schwartzel's vote percent prediction market on August 16, 2026 [4][5]. The research explicitly states that there is no evidence in public reports for such a drop related to news or social media catalysts on that date [4][5]. Jim Schwartzel remained in the race and ultimately won the primary on August 18, 2026, with 29.15% of the vote, which is slightly below 30% [4][5][6]. Therefore, social media was not identifiable as a primary driver or contributing accelerant given the available sources.

📉 August 15, 2026: 14.0pp drop

Price decreased from 43.0% to 29.0%

What happened: The provided research does not contain evidence to support a 14.0 percentage point drop in Jim Schwartzel's prediction market price around August 15, 2026. Reporting indicates Schwartzel maintained a lead throughout the late stages of the primary campaign, which concluded with his win on August 18, 2026, receiving 29.39% of the vote [3][7][8][6]. Without confirmation of the alleged price movement or specific timing, no primary driver, including social media activity, can be identified from the available sources [6]. Therefore, social media activity cannot be assessed as a driver for this unsubstantiated price movement.

Outcome: At least 25%

📈 August 18, 2026: 27.0pp spike

Price increased from 38.0% to 65.0%

What happened: No credible sources confirm a specific "27.0 percentage point spike" on August 18, 2026, for Jim Schwartzel's prediction market, nor a specific social media catalyst for such a movement [9]. On August 18, 2026, Schwartzel actually won the Florida's 19th Congressional District Republican primary, securing approximately 29.2%–29.4% of the vote, which naturally exceeded the "At least 25%" outcome [3][10][9][11]. Therefore, the described market movement likely reflects the market settling to the known election outcome rather than a speculative social media-driven spike. Social media was irrelevant as a primary driver for the stated spike.

📉 August 17, 2026: 25.0pp drop

Price decreased from 63.0% to 38.0%

What happened: The primary driver of the prediction market price drop was President Donald Trump's late endorsement of Jim Schwartzel's primary opponent, Catalina Lauf [8][12]. This endorsement, preceding the August 17, 2026, market movement, directly caused Schwartzel's implied probability of winning to decrease from 41% to 12% [12]. While the specific medium of the endorsement is not detailed, such an announcement from President Trump would likely be disseminated via social media, making it a primary driver that led or coincided with the market's reaction. Social media was therefore a likely primary driver of this movement.
Sources (12)
  1. 1Florida 19th Congressional District Primary Election Resultsnytimes.com
  2. 2Florida House District 19 Primary Election Live Results 2026nbcnews.com
  3. 3Election Date: 8/18/2026enr.electionsfl.org
  4. 4Jim Schwartzel wins Republican primary in U.S. District 19...news-press.com
  5. 5Jim Schwartzel wins Republican primary in U.S. District 19 racebluewaterhealthyliving.com
  6. 6Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  7. 7US District 19 results in Florida primary electionnaplesnews.com
  8. 8Jim Schwartzel wins costly and heated GOP Primary over...floridapolitics.com
  9. 9Jim Schwartzel Defeats Trump-Endorsed Catalina Lauf in Florida’s ‘Circus-Like’ CD-19 Primarypolitical.org
  10. 10Jim Schwartzel Wins 19th Congressional District Republican Primary · The Floridianfloridianpress.com
  11. 11Florida's 19th Congressional District election, 2026 (August...ballotpedia.org
  12. 12Schwartzel Drops to 12% in FL-19 After 29pp | Prediction Huntpredictionhunt.com

4. Market Data

Contract Snapshot

This market resolves YES if Jim Schwartzel's final vote percentage in the FL-19 Republican primary is 30% or greater, and NO if his vote percentage is less than 30%. Settlement for this market occurs only after the election results are officially certified, with a maximum payout date of August 18, 2027.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
At least 15% $1.00 $0.01 99%
At least 20% $1.00 $0.01 99%
At least 25% $1.00 $0.01 99%
At least 45% $0.01 $1.00 10%
At least 30% $0.04 $0.99 1%
At least 35% $0.01 $1.00 1%
At least 40% $0.01 $1.00 1%

Market Discussion

Traders on this market have reached a strong consensus regarding Jim Schwartzel's vote percentage in the FL-19 Republican primary, despite 99% of votes already being counted. The market shows a 99% probability that Schwartzel will receive at least 25% of the vote, indicating a strong YES argument for reaching that threshold. However, there is an overwhelming NO consensus, with only a 1% chance, that he will reach 30% or more, and an even lower chance for 35%. Overall, the market's collective forecast places Jim Schwartzel's final vote percentage firmly between 25% and 30%.

5. What key events or endorsements in the final month could sway undecided voters in the FL-19 Republican primary?

Primary DateAugust 18, 2026 [1]
Winner's Vote Share29.39% (Jim Schwartzel) [2][3]
Second Place Vote Share21.39% to 21.88% (Catalina Lauf) [4]
The FL-19 Republican primary concluded, determining the nominee. The Republican primary for Florida's 19th Congressional District has finalized, rendering any consideration of undecided voters irrelevant [1]. This electoral event occurred on August 18, 2026, with Jim Schwartzel emerging as the winner of the nomination [1].
Jim Schwartzel secured the nomination with a plurality of votes. He achieved victory by garnering 29.39% of the total vote [2][3], successfully outperforming a field of ten competing candidates [2][3]. Catalina Lauf, despite receiving a late endorsement from President Donald Trump, finished in second place with a vote share ranging between 21.39% and 21.88%, ultimately failing to overcome Schwartzel’s significant lead among early voters [4].
Sources (4)
  1. 1Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  2. 2Election Date: 8/18/2026enr.electionsfl.org
  3. 3US District 19 results in Florida primary electionnaplesnews.com
  4. 4Jim Schwartzel wins costly and heated GOP Primary over...floridapolitics.com

6. How did Jim Schwartzel's campaign fundraising and spending strategy compare to that of his closest competitor, Catalina Lauf?

Schwartzel Total Raised$2,065,485.29 [1][2]
Schwartzel Total Spent$1,883,585.84 [1][2]
Schwartzel Personal LoansAt least $1 million [3][4][5]
Jim Schwartzel and Catalina Lauf employed distinct fundraising strategies. Jim Schwartzel's campaign funding strategy combined individual contributions with substantial self-funding, including at least $1 million in personal loans [3][4][5]. His campaign raised a total of $2,065,485.29, with $1,000,757.52 attributed to individual contributions [1]. In contrast, Catalina Lauf's campaign was financed entirely through outside contributions, receiving $1,571,546.96 from individuals out of a total of $1,674,013.10 raised [3][4][5][2].
Candidates also focused spending on different advertising mediums and amounts. Schwartzel's campaign primarily focused its spending on radio advertising, ultimately disbursing $1,883,585.84 [3][4][5][1]. Conversely, Lauf's campaign prioritized digital advertising over traditional broadcast media, spending a total of $1,571,182.71 [3][4][5][2]. Through the pre-primary deadline, Schwartzel's campaign reported spending approximately $1.9 million, while Lauf's campaign spent less than $1.6 million [3][5].
Schwartzel's campaign ultimately outspent Lauf's in the Republican primary. In the August 18, 2026, Republican primary, Schwartzel's campaign raised a total of $2,065,485.29 and spent $1,883,585.84 [3][5][1]. Catalina Lauf's campaign, by comparison, raised $1,674,013.10 and spent $1,571,182.71 [3][5][2].
Sources (5)
  1. 1SCHWARTZEL, JIM - Candidate overview | FECfec.gov
  2. 2LAUF, CATALINA - Candidate overview | FECfec.gov
  3. 3Millions were spent in CD 19 GOP Primary, but will a late...floridapolitics.com
  4. 4CD 19 Republicans have banked $10M — most of it their own moneyfloridapolitics.com
  5. 5GOP Congressional District 19 candidates dig deep to fund...wgcu.org

7. What does the geographic distribution of support for Jim Schwartzel and Catalina Lauf reveal about their core constituencies within FL-19?

Catalina Lauf's Voter BaseStronger among Election Day voters [1][2]
Jim Schwartzel's Voter BaseCore constituency among early voters [1][2]
Jim Schwartzel's Campaign StrategyEmphasized status as a long-term local resident of Southwest Florida [1][3]
Detailed geographic breakdowns of support for candidates were largely unavailable. Specific geographic data for Jim Schwartzel and Catalina Lauf within Florida's 19th Congressional District were not provided in the available datasets. Research reporting primarily concentrated on aspects such as fundraising, media visibility, and the final election outcome [4].
Voting patterns by method revealed distinct support bases for each candidate. Despite the absence of comprehensive geographic distributions, Catalina Lauf demonstrated stronger support among Election Day voters, notably outperforming her early-vote numbers in both Lee and Collier counties [1][2]. Conversely, Jim Schwartzel's core constituency was heavily driven by voters who cast their ballots early, whether by mail or in-person, among whom he held a lead [1][2]. Schwartzel's campaign strategy specifically highlighted his long-term residency in Southwest Florida to differentiate himself from Lauf, who had previously sought office in Illinois [1][3].
Sources (4)
  1. 1Jim Schwartzel wins costly and heated GOP Primary over Catalina Lauf for Byron Donalds' CD 19 seatfloridapolitics.com
  2. 2Exit poll shows Catalina Lauf leading CD 19 field, but Jim Schwartzel a favorite of those who already votedfloridapolitics.com
  3. 3Trump endorses candidate for Southwest Florida's District 19 seatnaplesnews.com
  4. 4Florida's 19th Congressional District election, 2026ballotpedia.org

8. Is there any reliable public polling data available from the 2026 FL-19 Republican primary to gauge candidate viability?

Primary WinnerJim Schwartzel [1][2][3][4][5][6][7][8][9]
Winning Vote Shareover 29% [1][2][3]
Undecided Voters (June 2026)54% [8][10]
Public polling for the 2026 FL-19 Republican primary offered mixed insights. While some reports indicated the availability of multiple surveys to gauge candidate viability, including those from Victory Insights and Cygnal, which tracked a competitive race primarily between Jim Schwartzel and Catalina Lauf [4][5][11][6][7], other information suggested limitations. For instance, one poll showed Schwartzel and Lauf in a neck-and-neck race, with Lauf later surging to tie Schwartzel [5][6]. Conversely, a June 2026 poll by Victory Insights reported Jim Schwartzel and Jim Oberweis leading a wide-open contest with barely double-digit support, and a significant 54% of voters undecided [8][10].
Jim Schwartzel ultimately won the primary amidst varied insights. Despite the inconsistencies in public polling, Jim Schwartzel was consistently tracked and ultimately secured the victory in the 2026 Republican primary for Florida's 19th Congressional District [1][2][3][4][5][6][7][8][9]. He achieved this win on August 18, 2026, with over 29% of the vote [1][2][3]. The primary was also extensively monitored by prediction markets, with platforms such as Kalshi, Robinhood, and Polymarket offering markets related to the eventual nominee and Jim Schwartzel's vote share [4][12][13][14][15].
Sources (15)
  1. 1Jim Schwartzel wins costly and heated GOP Primary over...floridapolitics.com
  2. 2Schwartzel beats Trump-backed rival as Arias wins Democratic primary in Florida’s 19th District | News | winknews.comwinknews.com
  3. 3Jim Schwartzel wins Republican nomination for U.S. House in Florida’s 19th Congressional District - WTOP Newswtop.com
  4. 4Exit poll shows Catalina Lauf leading CD 19 field, but Jim Schwartzel a favorite of those who already votedfloridapolitics.com
  5. 5New CD 19 poll shows Jim Schwartzel, Catalina Lauf in neck-and-neck racefloridapolitics.com
  6. 6Catalina Lauf Surges Into Tie With Jim Schwartzel in FL-19 Pollthefloridapundit.com
  7. 7'The race is wide open': Poll shows Jim Schwartzel, Jim Oberweis leading crowded CD 19 fieldfloridapolitics.com
  8. 8Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  9. 9Florida's 19th Congressional District election, 2026 (August...ballotpedia.org
  10. 10Twelve candidates compete for open Florida congressional seat as Donalds exits for governor's race - Ballotpedia Newsnews.ballotpedia.org
  11. 112026 Florida Republican House Primary: Polls & Odds | Prediction Edgepredictionedge.com
  12. 12FL-19 Republican nominee? Odds & Predictions 2026kalshi.com
  13. 13August 18, 2026: FL-19 Republican nominee Prediction Marketrobinhood.com
  14. 14Will Jim Schwartzel be the Republican nominee for FL-19? — 39% | Orrery market check | Orreryorrery.me
  15. 15Will Jim Schwartzel be the Republican nominee for FL-19? | Paritypredictparity.com

9. With a ten-candidate field, what was the strategic path to a plurality victory, and how did it affect Jim Schwartzel's campaign approach?

Primary vote share29.1%-29.4% (August 18, 2026) [1][2][3]
Field size10 candidates [2][3]
Total campaign spending~$1.9 million [2][3]
Jim Schwartzel secured a plurality victory in a crowded Republican primary. He won the 2026 Republican primary for Florida's 19th Congressional District on August 18, 2026, against a 10-candidate field, with approximately 29.1% to 29.4% of the vote [1][2][3]. His strategic path to victory involved establishing a decisive lead in early voting, substantial self-funding, and positioning himself as a political outsider to consolidate support among Republican voters [2][3][4].
Schwartzel's campaign invested heavily to gain early recognition and support. This included approximately $1.9 million, with a $1 million loan, specifically aimed at building name recognition and achieving a strong early position in the polls [2][3]. This significant financial outlay helped his campaign manage the crowded field and avoid the risks of vote-splitting, which was especially critical given that 54% of voters were undecided in June 2026 [2][3][4]. As the owner of a conservative talk radio station, Schwartzel effectively leveraged his non-politician, outsider status to appeal to voters weary of career politicians [4]. Despite a late endorsement from Donald Trump for challenger Catalina Lauf, Schwartzel's initial strategy and early vote advantage ultimately proved decisive [2][3].
Sources (4)
  1. 1Florida House District 19 Primary Election Live Results 2026nbcnews.com
  2. 2Jim Schwartzel wins costly and heated GOP Primary over...floridapolitics.com
  3. 3Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  4. 4Twelve candidates compete for open Florida congressional seat as Donalds exits for governor's race - Ballotpedia Newsnews.ballotpedia.org

10. What Could Change the Odds

Key Catalysts

Jim Schwartzel won the Republican primary for Florida's 19th Congressional District on August 18, 2026, securing 29.15% of the vote [1]. He defeated nine other candidates in a crowded primary field that included well-known figures such as Madison Cawthorn and Jim Oberweis [2][1][3]. Catalina Lauf, the runner-up, received 21.88% of the vote [1].
This primary victory positions Schwartzel as a heavy favorite for the general election [4][5]. The district is a Republican stronghold, having supported Donald Trump with nearly 64% of the vote in the 2024 Presidential Election [4][5].

Key Dates & Catalysts

  • Expiration: August 18, 2027
  • Closes: August 18, 2027
Sources (5)
  1. 1Jim Schwartzel wins Republican primary in U.S. District 19 racenews-press.com
  2. 2Jim Schwartzel (R) defeated nine other candidates in the Republican primary for Florida's 19th Congressional District on August 18, 2026 - Ballotpedia Newsnews.ballotpedia.org
  3. 3August 18, 2026, election resultsballotpedia.org
  4. 4Jim Schwartzel wins costly and heated GOP Primary over...floridapolitics.com
  5. 5Who's running for Florida District 19? 15 candidates seek open seatnews-press.com

12. Related News

-90.0pp
Last updated: August 20, 2026, 12:14 UTC

Schwartzel's 29.39% Florida Primary Win Wipes Out Bets on 30%+ Vote Share

The official certification of Jim Schwartzel's victory in the August 18, 2026, Florida 19th Congressional District Republican primary with 29.39% of the vote caused a definitive settlement in related ...

13. Historical Resolutions

Historical Resolutions: 20 markets in this series

Outcomes: 10 resolved YES, 10 resolved NO

Recent resolutions:

  • KXVOTEPRIMARY-SENATEMND26PFLA-60: NO (Aug 19, 2026)
  • KXVOTEPRIMARY-SENATEMND26PFLA-57: YES (Aug 19, 2026)
  • KXVOTEPRIMARY-SENATEMND26PFLA-54: YES (Aug 19, 2026)
  • KXVOTEPRIMARY-SENATEMND26PFLA-51: YES (Aug 19, 2026)
  • KXVOTEPRIMARY-SENATEMND26PFLA-48: YES (Aug 19, 2026)