The NY-13 Democratic primary on June 23 remains a tight contest between five-term incumbent Adriano Espaillat and progressive challenger Darializa Avila Chevalier, with early voting already underway and trader consensus reflecting narrow leads that have fluctuated in recent polls. Chevalier's momentum stems from a late-May endorsement by New York City Mayor Zohran Mamdani, plus backing from the Democratic Socialists of America and Justice Democrats, which mobilized left-leaning voters in Upper Manhattan and the Bronx amid debates over campaign funding, immigration enforcement, and foreign policy positions. Espaillat has countered with negative ads highlighting his opponent's past statements and experience gaps, while both sides have seen super PAC spending and heated exchanges in recent forums. The outcome hinges on turnout among key Democratic primary blocs, with historical precedent showing incumbents often retain edges unless insurgent endorsements produce decisive shifts in the final days.