From left, Assemblymember Claire Valdez, a Democrat from New York and U.S. Home candidate; Brad Lander, former New York Metropolis comptroller and U.S. Home candidate; Zohran Mamdani, mayor of New York; and U.S. Home candidate Darializa Avila Chevalier, throughout a “Get Out The Vote” rally forward of a main election at Kings Theater within the Brooklyn borough of New York, June 18, 2026.
Adam Grey | Bloomberg | Getty Photos
On Tuesday evening, New York Metropolis Mayor Zohran Mamdani faces his first main electoral take a look at since his election in November 2025. Whereas Mamdani is not on the poll, his energy to swing voters is.
Mamdani has endorsed three candidates in aggressive congressional primaries within the metropolis: former New York Metropolis Comptroller Brad Lander in New York’s tenth Congressional District, state Assemblymember Claire Valdez within the seventh District and first-time candidate Darializa Avila Chevalier within the thirteenth District.
Merchants on prediction market platform Kalshi suppose the mayor will go two for 3.
Speculators place 54% odds that Valdez and Lander will likely be victorious, whereas Chevalier will lose. Additionally they give a 28% probability that each one three candidates win and a 20% probability that solely Lander wins.
These odds are primarily based on combo contracts, the place all three occasions of every particular person candidate both profitable or shedding must occur for the trades to resolve to “sure.” Outcomes on the combo contracts are verified from the New York State Board of Elections.
Odds and playing platforms don’t use methodologies utilized by conventional political polling, and subsequently are usually not substitutes for political polls.
Lander, an ally of Mamdani, is difficult Democratic incumbent Rep. Dan Goldman. Goldman has been underneath hearth from left-leaning critics for his help of Israel within the district that features downtown Manhattan and Park Slope in Brooklyn.
On a contract that asks if a candidate will win the democratic nomination in New York’s tenth District, Kalshi merchants give Lander a near-certain probability of profitable the Democratic nomination. Outcomes on particular person nominee contracts are verified from the Democratic Social gathering.
Valdez is in search of to exchange retiring Rep. Nydia Velázquez within the seventh — which incorporates Williamsburg in Brooklyn and Lengthy Island Metropolis in Queens — although Velázquez endorsed Brooklyn Borough President Antonio Reynoso. Reynoso has the backing of the progressive Working Households Social gathering, whereas Valdez has the backing of the Democratic Socialists of America.
Merchants on Kalshi suppose Valdez is favored; they’re giving her a virtually 80% probability of profitable the Democratic nomination.
Lastly, Chevalier — additionally backed by the Democratic Socialists of America — is in search of to oust incumbent Rep. Adriano Espaillat, chair of the Congressional Hispanic Caucus. The thirteenth District covers Harlem and Washington Heights in Manhattan, in addition to elements of the Bronx. Merchants on Kalshi give Espaillat two-in-three odds of warding off the problem from Chevalier.
In the meantime, there’s one other contentious main in New York’s twelfth District, which covers midtown, the Higher East Facet and the Higher West Facet in Manhattan. Mamdani did not endorse a candidate in that race.
Rivaling synthetic intelligence tremendous PACs are in search of to have an effect on the candidacy of Alex Bores, a New York state Assemblyman, who has been a fervent supporter of AI rules. OpenAI-backed Main the Future has spent $8 million opposing Bores, whereas Anthropic-backed Public First Motion has spent $11 million supporting him.
Nonetheless, Kalshi merchants suppose that fellow state Assemblymember Micah Lasher is favored in the12th, giving him a 74% probability of profitable the Democratic nomination.
Disclosure: CNBC and Kalshi have a industrial relationship that features buyer acquisition and a minority funding.