This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.Incumbent Rep. Thomas Massie holds a clear edge in trader consensus at 64.5% implied probability to win Kentucky's 4th Congressional District Republican primary on May 19, buoyed by his strong name recognition, fundraising superiority, and history of fending off challengers despite past Trump opposition. Trump-backed Navy SEAL Ed Gallrein trails at 37.1% amid a tight race, propelled by the president's endorsement targeting Massie's independent votes against party-line measures like spending bills. A Quantus Insights poll released May 13 showed Gallrein leading 48.3%-43.1% among likely voters, with undecideds breaking 2-to-1 his way—a shift from April surveys favoring Massie—though traders appear skeptical of the late momentum amid early voting underway. Minor candidates Nicole Lee Ethington and Robert Wells Jr. register negligible support.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Incumbent Rep. Thomas Massie holds a clear edge in trader consensus at 64.5% implied probability to win Kentucky's 4th Congressional District Republican primary on May 19, buoyed by his strong name recognition, fundraising superiority, and history of fending off challengers despite past Trump opposition. Trump-backed Navy SEAL Ed Gallrein trails at 37.1% amid a tight race, propelled by the president's endorsement targeting Massie's independent votes against party-line measures like spending bills. A Quantus Insights poll released May 13 showed Gallrein leading 48.3%-43.1% among likely voters, with undecideds breaking 2-to-1 his way—a shift from April surveys favoring Massie—though traders appear skeptical of the late momentum amid early voting underway. Minor candidates Nicole Lee Ethington and Robert Wells Jr. register negligible support.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · Atualizado
May 14 2026
House passes funding package with Thomas Massie as sole Republican no vote
Thomas Massie drops to 61%14%
Thomas Massie was the only Republican to vote against a government funding package, highlighting his maverick stance and possibly affecting his market support negatively in the short term.
May 6 2026
Massie’s market hits 78% after final pre‑primary rally
Thomas Massie rises to 78%4%
A televised rally in Lexington featuring Massie and Trump supporters generated strong media coverage, pushing the market to its peak ahead of the May 19 primary.
May 5 2026
Trump backs primary challenger against Thomas Massie
Thomas Massie drops to 61%14%
President Trump endorsed a primary challenger to Thomas Massie, reflecting intra-party conflict and causing volatility in Massie's market support, which saw a temporary increase followed by a decline.
May 3 2026
Massie gains momentum in primary polling
Thomas Massie surges to 79%15%
Despite Trump's endorsement of a challenger, Massie's polling numbers rebounded, reflecting his strong base of support in the district.
Apr 22 2026
Rep. Andy Barr announces Senate run, exits House race
Thomas Massie rises to 74%4%
Barr’s decision to run for the Senate left Kentucky’s 4th district open, shifting GOP focus to the KY‑04 primary and giving Massie a clearer path, nudging his price upward.
Mar 11 2026
Trump endorses primary challenger to Massie
Thomas Massie drops to 56%13%
President Trump officially backed a primary challenger to Thomas Massie, citing Massie's ongoing feud over the release of Epstein-related documents.
Mar 10 2026
Trump endorses challenger against Thomas Massie in KY-04 primary
Thomas Massie plunges to 60%15%
President Donald Trump endorsed a primary challenger against incumbent Thomas Massie, signaling a rift due to Massie's defiance on issues like the Epstein files, which caused a significant drop in Massie's market support and reshaped the primary race dynamics.
Feb 19 2026
Justice Department announces discovery of over a million new Epstein documents
Thomas Massie jumps to 76%13%
The DOJ's announcement of uncovering over a million additional Epstein-related documents delayed the release process, intensifying scrutiny. Massie's criticism of DOJ's illegal redactions bolstered his image as a transparency advocate, impacting his market support positively.
Feb 15 2026
DOJ announces further delay in releasing Epstein documents
Thomas Massie drops to 71%5%
The Justice Department’s statement that it needed additional weeks to finish the release revived concerns raised by Massie, causing a modest dip in his price as uncertainty grew.
Feb 2 2026
Massie votes against GOP health care package
Thomas Massie rises to 79%3%
Thomas Massie was the only Republican to vote against the GOP health care package, further highlighting his role as a consistent dissenter within the party.
Feb 1 2026
Justice Department reveals over 5 million Epstein documents under review
Thomas Massie jumps to 76%13%
The DOJ announced a massive review of Epstein-related documents, validating Massie's claims of delayed and incomplete release, keeping the issue in the spotlight and reinforcing his image as a transparency advocate, which affected his market position.
Jan 29 2026
House passes GOP health care bill excluding ACA subsidy extension
Thomas Massie plunges to 63%15%
The House passed a Republican health care package that did not extend Affordable Care Act subsidies, with Thomas Massie as the only Republican voting against it, reflecting his moderate stance and opposition to party leadership, which influenced his market support.
Jan 21 2026
Judge blocks Massie and Khanna from intervening in Maxwell case
Thomas Massie jumps to 80%8%
A federal judge ruled that Rep. Thomas Massie and Rep. Ro Khanna lacked the legal standing to intervene in the Ghislaine Maxwell case to force the release of Epstein files, a key legislative priority for Massie.
Jan 14 2026
Clintons refuse to testify in House Epstein probe amid contempt threats
Thomas Massie dips to 76%2%
The refusal of Bill and Hillary Clinton to testify in the House Epstein investigation, with Massie involved in the probe, kept the Epstein files issue in the spotlight, sustaining Massie's prominence and market support.
Jan 8 2026
Massie and Khanna urge court to appoint neutral expert for Epstein files release
Thomas Massie jumps to 78%6%
Massie, alongside Rep. Ro Khanna, requested a judge to appoint a neutral expert to oversee the release of Epstein files, highlighting concerns about DOJ compliance. This action reinforced Massie's image as a fighter for transparency, supporting his market position.
Jan 8 2026
Massie and Khanna demand DOJ release full Epstein files
Thomas Massie rises to 72%4%
Rep. Thomas Massie co‑authored a letter urging a judge to appoint a neutral monitor after the DOJ missed the deadline, raising his profile and boosting his market price.
Dec 27 2025
Ed Gallrein’s campaign suffers fundraising shortfall
Ed Gallrein drops to 27%14%
A report on Gallrein’s stalled fundraising efforts led to a noticeable drop in his market price as donors shifted support elsewhere.
Dec 18 2025
Massie co‑authors Epstein Files Transparency Act
Thomas Massie surges to 68%22%
Massie’s legislative role in the Epstein Files Transparency Act raised his national profile, contributing to the early rise in his market price.
Dec 17 2025
House rejects war powers resolution on Venezuela
Thomas Massie rises to 72%4%
The failure of a war powers resolution regarding Venezuela, with only two Republicans voting in favor, signaled strong party alignment behind Trump's foreign policy, initially impacting the market.
Dec 10 2025
Trump backs challenger to Rep. Thomas Massie in Kentucky primary
Thomas Massie surges to 76%30%
President Trump publicly endorsed a primary opponent to Massie, signaling intra‑party conflict and prompting a surge in Massie's market price as supporters rallied behind him.
Dec 5 2025
Robert Wells Jr. suspends campaign after personal scandal
Robert Wells Jr. plunges to 0%46%
Wells Jr. faced a personal scandal that led him to suspend his campaign, causing his market price to collapse to zero.
Dec 3 2025
Nicole Lee Ethington withdraws from KY‑04 race
Nicole Lee Ethington plunges to 0%46%
Ethington’s early exit from the primary eliminated her from contention, driving her market price to zero.
Dec 1 2025
Thomas Massie co-authors Epstein Files Transparency Act
Thomas Massie surges to 61%15%
Rep. Thomas Massie co-authored legislation mandating the release of Jeffrey Epstein investigative files, raising his profile and support in the KY-04 Republican primary market. This legislative action increased investor confidence in Massie's candidacy, reflected in a price jump from 46% to 61%.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.Incumbent Rep. Thomas Massie holds a clear edge in trader consensus at 64.5% implied probability to win Kentucky's 4th Congressional District Republican primary on May 19, buoyed by his strong name recognition, fundraising superiority, and history of fending off challengers despite past Trump opposition. Trump-backed Navy SEAL Ed Gallrein trails at 37.1% amid a tight race, propelled by the president's endorsement targeting Massie's independent votes against party-line measures like spending bills. A Quantus Insights poll released May 13 showed Gallrein leading 48.3%-43.1% among likely voters, with undecideds breaking 2-to-1 his way—a shift from April surveys favoring Massie—though traders appear skeptical of the late momentum amid early voting underway. Minor candidates Nicole Lee Ethington and Robert Wells Jr. register negligible support.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the KY-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on May 19, 2026.
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Incumbent Rep. Thomas Massie holds a clear edge in trader consensus at 64.5% implied probability to win Kentucky's 4th Congressional District Republican primary on May 19, buoyed by his strong name recognition, fundraising superiority, and history of fending off challengers despite past Trump opposition. Trump-backed Navy SEAL Ed Gallrein trails at 37.1% amid a tight race, propelled by the president's endorsement targeting Massie's independent votes against party-line measures like spending bills. A Quantus Insights poll released May 13 showed Gallrein leading 48.3%-43.1% among likely voters, with undecideds breaking 2-to-1 his way—a shift from April surveys favoring Massie—though traders appear skeptical of the late momentum amid early voting underway. Minor candidates Nicole Lee Ethington and Robert Wells Jr. register negligible support.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · Atualizado
May 14 2026
House passes funding package with Thomas Massie as sole Republican no vote
Thomas Massie drops to 61%14%
Thomas Massie was the only Republican to vote against a government funding package, highlighting his maverick stance and possibly affecting his market support negatively in the short term.
May 6 2026
Massie’s market hits 78% after final pre‑primary rally
Thomas Massie rises to 78%4%
A televised rally in Lexington featuring Massie and Trump supporters generated strong media coverage, pushing the market to its peak ahead of the May 19 primary.
May 5 2026
Trump backs primary challenger against Thomas Massie
Thomas Massie drops to 61%14%
President Trump endorsed a primary challenger to Thomas Massie, reflecting intra-party conflict and causing volatility in Massie's market support, which saw a temporary increase followed by a decline.
May 3 2026
Massie gains momentum in primary polling
Thomas Massie surges to 79%15%
Despite Trump's endorsement of a challenger, Massie's polling numbers rebounded, reflecting his strong base of support in the district.
Apr 22 2026
Rep. Andy Barr announces Senate run, exits House race
Thomas Massie rises to 74%4%
Barr’s decision to run for the Senate left Kentucky’s 4th district open, shifting GOP focus to the KY‑04 primary and giving Massie a clearer path, nudging his price upward.
Mar 11 2026
Trump endorses primary challenger to Massie
Thomas Massie drops to 56%13%
President Trump officially backed a primary challenger to Thomas Massie, citing Massie's ongoing feud over the release of Epstein-related documents.
Mar 10 2026
Trump endorses challenger against Thomas Massie in KY-04 primary
Thomas Massie plunges to 60%15%
President Donald Trump endorsed a primary challenger against incumbent Thomas Massie, signaling a rift due to Massie's defiance on issues like the Epstein files, which caused a significant drop in Massie's market support and reshaped the primary race dynamics.
Feb 19 2026
Justice Department announces discovery of over a million new Epstein documents
Thomas Massie jumps to 76%13%
The DOJ's announcement of uncovering over a million additional Epstein-related documents delayed the release process, intensifying scrutiny. Massie's criticism of DOJ's illegal redactions bolstered his image as a transparency advocate, impacting his market support positively.
Feb 15 2026
DOJ announces further delay in releasing Epstein documents
Thomas Massie drops to 71%5%
The Justice Department’s statement that it needed additional weeks to finish the release revived concerns raised by Massie, causing a modest dip in his price as uncertainty grew.
Feb 2 2026
Massie votes against GOP health care package
Thomas Massie rises to 79%3%
Thomas Massie was the only Republican to vote against the GOP health care package, further highlighting his role as a consistent dissenter within the party.
Feb 1 2026
Justice Department reveals over 5 million Epstein documents under review
Thomas Massie jumps to 76%13%
The DOJ announced a massive review of Epstein-related documents, validating Massie's claims of delayed and incomplete release, keeping the issue in the spotlight and reinforcing his image as a transparency advocate, which affected his market position.
Jan 29 2026
House passes GOP health care bill excluding ACA subsidy extension
Thomas Massie plunges to 63%15%
The House passed a Republican health care package that did not extend Affordable Care Act subsidies, with Thomas Massie as the only Republican voting against it, reflecting his moderate stance and opposition to party leadership, which influenced his market support.
Jan 21 2026
Judge blocks Massie and Khanna from intervening in Maxwell case
Thomas Massie jumps to 80%8%
A federal judge ruled that Rep. Thomas Massie and Rep. Ro Khanna lacked the legal standing to intervene in the Ghislaine Maxwell case to force the release of Epstein files, a key legislative priority for Massie.
Jan 14 2026
Clintons refuse to testify in House Epstein probe amid contempt threats
Thomas Massie dips to 76%2%
The refusal of Bill and Hillary Clinton to testify in the House Epstein investigation, with Massie involved in the probe, kept the Epstein files issue in the spotlight, sustaining Massie's prominence and market support.
Jan 8 2026
Massie and Khanna urge court to appoint neutral expert for Epstein files release
Thomas Massie jumps to 78%6%
Massie, alongside Rep. Ro Khanna, requested a judge to appoint a neutral expert to oversee the release of Epstein files, highlighting concerns about DOJ compliance. This action reinforced Massie's image as a fighter for transparency, supporting his market position.
Jan 8 2026
Massie and Khanna demand DOJ release full Epstein files
Thomas Massie rises to 72%4%
Rep. Thomas Massie co‑authored a letter urging a judge to appoint a neutral monitor after the DOJ missed the deadline, raising his profile and boosting his market price.
Dec 27 2025
Ed Gallrein’s campaign suffers fundraising shortfall
Ed Gallrein drops to 27%14%
A report on Gallrein’s stalled fundraising efforts led to a noticeable drop in his market price as donors shifted support elsewhere.
Dec 18 2025
Massie co‑authors Epstein Files Transparency Act
Thomas Massie surges to 68%22%
Massie’s legislative role in the Epstein Files Transparency Act raised his national profile, contributing to the early rise in his market price.
Dec 17 2025
House rejects war powers resolution on Venezuela
Thomas Massie rises to 72%4%
The failure of a war powers resolution regarding Venezuela, with only two Republicans voting in favor, signaled strong party alignment behind Trump's foreign policy, initially impacting the market.
Dec 10 2025
Trump backs challenger to Rep. Thomas Massie in Kentucky primary
Thomas Massie surges to 76%30%
President Trump publicly endorsed a primary opponent to Massie, signaling intra‑party conflict and prompting a surge in Massie's market price as supporters rallied behind him.
Dec 5 2025
Robert Wells Jr. suspends campaign after personal scandal
Robert Wells Jr. plunges to 0%46%
Wells Jr. faced a personal scandal that led him to suspend his campaign, causing his market price to collapse to zero.
Dec 3 2025
Nicole Lee Ethington withdraws from KY‑04 race
Nicole Lee Ethington plunges to 0%46%
Ethington’s early exit from the primary eliminated her from contention, driving her market price to zero.
Dec 1 2025
Thomas Massie co-authors Epstein Files Transparency Act
Thomas Massie surges to 61%15%
Rep. Thomas Massie co-authored legislation mandating the release of Jeffrey Epstein investigative files, raising his profile and support in the KY-04 Republican primary market. This legislative action increased investor confidence in Massie's candidacy, reflected in a price jump from 46% to 61%.
Cuidado com os links externos.
Cuidado com os links externos.
Frequently Asked Questions
"Vencedor da primária republicana KY-04" is a prediction market on Polymarket with 4 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Thomas Massie" at 64%, followed by "Ed Gallrein" at 37%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 64¢ implies that the market collectively assigns a 64% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.
As of today, "Vencedor da primária republicana KY-04" has generated $1.2 million in total trading volume since the market launched on Dec 1, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.
To trade on "Vencedor da primária republicana KY-04," browse the 4 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.
The current frontrunner for "Vencedor da primária republicana KY-04" is "Thomas Massie" at 64%, meaning the market assigns a 64% chance to that outcome. The next closest outcome is "Ed Gallrein" at 37%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.
The resolution rules for "Vencedor da primária republicana KY-04" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.
Yes. You don't need to trade to stay informed. This page serves as a live tracker for "Vencedor da primária republicana KY-04." The outcome probabilities update in real-time as new trades come in. You can bookmark this page and check the comments section to see what other traders are saying. You can also use the time-range filters on the chart to see how the odds have shifted over time. It's a free, real-time window into what the market expects to happen.
Polymarket odds are set by real traders putting real money behind their beliefs, which tends to surface accurate predictions. With $1.2 million traded on “Vencedor da primária republicana KY-04,” these prices aggregate the collective knowledge and conviction of thousands of participants — often outperforming polls, expert forecasts, and traditional surveys. Prediction markets like Polymarket have a strong track record of accuracy, especially as events approach their resolution date. For example, Polymarket has a one month accuracy score of 94%. For the latest stats on Polymarket’s prediction accuracy, visit the accuracy page on Polymarket.
To place your first trade on "Vencedor da primária republicana KY-04," sign up for a free Polymarket account and fund it using crypto, a credit or debit card, or a bank transfer. Once your account is funded, return to this page, select the outcome you want to trade, enter your amount, and click "Trade." If you're new to prediction markets, click the "How it works" link at the top of any Polymarket page for a quick step-by-step walkthrough of how trading works.
On Polymarket, the price of each outcome represents the market's implied probability. A price of 64¢ for "Thomas Massie" in the "Vencedor da primária republicana KY-04" market means traders collectively believe there is roughly a 64% chance that "Thomas Massie" will be the correct result. If you buy "Yes" shares at 64¢ and the outcome is correct, you receive $1.00 per share — a profit of 36¢ per share. If incorrect, those shares are worth $0.
The "Vencedor da primária republicana KY-04" market is scheduled to resolve on or around May 19, 2026. This means trading will remain open and the odds will continue to shift as new information emerges until that date. The exact resolution timing depends on when the official result becomes available, as outlined in the "Rules" section on this page.
The "Vencedor da primária republicana KY-04" market has an active community of 92 comments where traders share their analysis, debate outcomes, and discuss breaking developments. Scroll down to the comments section below to read what other participants think. You can also filter by "Top Holders" to see what the market's biggest traders are positioned on, or check the "Activity" tab for a real-time feed of trades.
Polymarket is the world's largest prediction market, where you can stay informed and profit from your knowledge of real-world events. Traders buy and sell shares on outcomes for topics ranging from politics and elections to crypto, finance, sports, tech, and culture, including markets like "Vencedor da primária republicana KY-04." Prices reflect real-time, crowd-sourced probabilities backed by financial conviction, often providing faster and more accurate signals than polls, pundits, or traditional surveys.
Cuidado com os links externos.
Cuidado com os links externos.
Frequently Asked Questions