About This Market
Traders give Anthony Constantino (R) about a 81.8% chance. Blake Gendebien (D) follows at 19.7%. Compare prices from Kalshi, Polymarket US, Polymarket, and Predict.fun. The largest cross-platform price difference is 2.5 percentage points.
Traders give Anthony Constantino (R) about a 81.8% chance. Blake Gendebien (D) follows at 19.7%. Compare prices from Kalshi, Polymarket US, Polymarket, and Predict.fun. The largest cross-platform price difference is 2.5 percentage points.
Polymarket and Kalshi are tracking the winner of the NY-21 House race. This market resolves based on the official election results announced on November 3, 2026, and is influenced by candidate campaigns and voter turnout in the district.




