Mamdani, elected New York City mayor after his 2025 Democratic primary upset over Andrew Cuomo, has endorsed a slate of progressive congressional candidates—including Brad Lander, Claire Valdez, and Darializa Avila Chevalier—for the June 23, 2026, New York primaries. With early voting underway and Senator Bernie Sanders scheduled to join a get-out-the-vote rally, traders price the chance of a full sweep at even odds due to Mamdani’s demonstrated voter mobilization alongside countervailing factors such as entrenched incumbents, split Democratic endorsements, and variable turnout in the targeted districts. Recent polling gaps, fundraising differentials, and the scale of progressive versus moderate participation in the final days of early voting could shift implied probabilities in either direction before results are certified.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMamdani team sweeps primaries?
Mamdani team sweeps primaries?
$5,650 Vol.
$5,650 Vol.
Jun 23, 2026
$5,650 Vol.
$5,650 Vol.
Jun 23, 2026
The 2026 New York Democratic primary elections will take place on June 23, 2026.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.Mamdani, elected New York City mayor after his 2025 Democratic primary upset over Andrew Cuomo, has endorsed a slate of progressive congressional candidates—including Brad Lander, Claire Valdez, and Darializa Avila Chevalier—for the June 23, 2026, New York primaries. With early voting underway and Senator Bernie Sanders scheduled to join a get-out-the-vote rally, traders price the chance of a full sweep at even odds due to Mamdani’s demonstrated voter mobilization alongside countervailing factors such as entrenched incumbents, split Democratic endorsements, and variable turnout in the targeted districts. Recent polling gaps, fundraising differentials, and the scale of progressive versus moderate participation in the final days of early voting could shift implied probabilities in either direction before results are certified.
The 2026 New York Democratic primary elections will take place on June 23, 2026.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.
Market Opened: Jun 18, 2026, 9:52 PM ET
Volume
$5,650End Date
Jun 23, 2026Market Opened
Jun 18, 2026, 9:52 PM ETResolver
0x65070BE91...Outcome proposed: Yes
No dispute
Final outcome: Yes
The 2026 New York Democratic primary elections will take place on June 23, 2026.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.Mamdani, elected New York City mayor after his 2025 Democratic primary upset over Andrew Cuomo, has endorsed a slate of progressive congressional candidates—including Brad Lander, Claire Valdez, and Darializa Avila Chevalier—for the June 23, 2026, New York primaries. With early voting underway and Senator Bernie Sanders scheduled to join a get-out-the-vote rally, traders price the chance of a full sweep at even odds due to Mamdani’s demonstrated voter mobilization alongside countervailing factors such as entrenched incumbents, split Democratic endorsements, and variable turnout in the targeted districts. Recent polling gaps, fundraising differentials, and the scale of progressive versus moderate participation in the final days of early voting could shift implied probabilities in either direction before results are certified.
The 2026 New York Democratic primary elections will take place on June 23, 2026.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.
This market will resolve to “Yes” if all of the following conditions are met as a result of the 2026 New York Democratic primary elections:
- Claire Valdez wins the Democratic Party nomination to contest the NY-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Brad Lander wins the Democratic Party nomination to contest the NY-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
- Darializa Avila Chevalier wins the Democratic Party nomination to contest the NY-13 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections.
Otherwise, this market will resolve to “No”.
This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met.
If any nominee in any of the three specified districts remains unannounced by November 3, 2026, 11:59PM ET, this market will resolve to “No”.
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of any of any nominee for the three specified districts before election day will not change the resolution of the market.
Volume
$5,650End Date
Jun 23, 2026Market Opened
Jun 18, 2026, 9:52 PM ETResolver
0x65070BE91...Outcome proposed: Yes
No dispute
Final outcome: Yes
Mamdani, elected New York City mayor after his 2025 Democratic primary upset over Andrew Cuomo, has endorsed a slate of progressive congressional candidates—including Brad Lander, Claire Valdez, and Darializa Avila Chevalier—for the June 23, 2026, New York primaries. With early voting underway and Senator Bernie Sanders scheduled to join a get-out-the-vote rally, traders price the chance of a full sweep at even odds due to Mamdani’s demonstrated voter mobilization alongside countervailing factors such as entrenched incumbents, split Democratic endorsements, and variable turnout in the targeted districts. Recent polling gaps, fundraising differentials, and the scale of progressive versus moderate participation in the final days of early voting could shift implied probabilities in either direction before results are certified.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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