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Politics·Primary Elections

KY-04 Republican Primary Winner

icon for KY-04 Republican Primary Winner
Politics·Primary Elections

KY-04 Republican Primary Winner

Ed Gallrein 100.0%

Thomas Massie <1%

Nicole Lee Ethington <1%

Robert Wells Jr. <1%

Polymarket

$4,757,526 Vol.

Ed Gallrein 100.0%

Thomas Massie <1%

Nicole Lee Ethington <1%

Robert Wells Jr. <1%

Polymarket

$4,757,526 Vol.

Thomas Massie

$3,070,166 Vol.

No

Nicole Lee Ethington

$61,078 Vol.

No

Ed Gallrein

$1,559,463 Vol.

Yes

Robert Wells Jr.

$66,819 Vol.

No

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.Ed Gallrein’s decisive victory in the May 19 Kentucky Republican primary for the 4th congressional district has produced near-certain trader consensus on his nomination. The former Navy SEAL and farmer received the endorsement of President Donald Trump and defeated seven-term incumbent Thomas Massie, who conceded after results showed Gallrein ahead by roughly nine points. Other candidates, including Nicole Lee Ethington and Robert Wells Jr., finished far behind and had withdrawn earlier. With votes largely counted and no immediate challenges reported, the outcome aligns with late polling trends favoring the Trump-backed challenger. Resolution could still shift only if official certification uncovers discrepancies or legal action alters the certified results, though historical precedent in similar primaries makes such developments unlikely.

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.
Volume
$4,757,526
End Date
May 19, 2026
Market Opened
Dec 1, 2025, 4:51 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

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.Ed Gallrein’s decisive victory in the May 19 Kentucky Republican primary for the 4th congressional district has produced near-certain trader consensus on his nomination. The former Navy SEAL and farmer received the endorsement of President Donald Trump and defeated seven-term incumbent Thomas Massie, who conceded after results showed Gallrein ahead by roughly nine points. Other candidates, including Nicole Lee Ethington and Robert Wells Jr., finished far behind and had withdrawn earlier. With votes largely counted and no immediate challenges reported, the outcome aligns with late polling trends favoring the Trump-backed challenger. Resolution could still shift only if official certification uncovers discrepancies or legal action alters the certified results, though historical precedent in similar primaries makes such developments unlikely.

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.
Volume
$4,757,526
End Date
May 19, 2026
Market Opened
Dec 1, 2025, 4:51 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

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Frequently Asked Questions

"KY-04 Republican Primary Winner" 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 "Ed Gallrein" at 100%, followed by "Thomas Massie" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% 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, "KY-04 Republican Primary Winner" has generated $4.8 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 "KY-04 Republican Primary Winner," 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 "KY-04 Republican Primary Winner" is "Ed Gallrein" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "Thomas Massie" at 0%. 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 "KY-04 Republican Primary Winner" 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.