Among the early favorites in that market is JD Vance, currently priced at about a 21% probability with nearly $7.9 million in trading tied to his contracts. Close behind is Gavin Newsom at roughly 18%, followed by Marco Rubio at about 15%.
The move appears to coincide with the pullback in contracts tied to JD Vance, implying bettors may be rebalancing positions as the field tightens near the top of the market.
Despite the declines, broader tracking averages from major poll aggregators indicate Trump’s overall approval rating has remained relatively steady near the low 40% range. Republican voter support remains strong, limiting the magnitude of any broader shift.
FAQ What are prediction markets like Polymarket and Kalshi?Prediction markets allow traders to buy and sell contracts tied to real-world outcomes such as elections, with prices reflecting the market’s estimated probability. Who is leading the 2028 presidential prediction markets right now? Current odds on Polymarket and Kalshi place JD Vance, Gavin Newsom, and Marco Rubio among the top contenders. What do prediction markets say about the 2026 midterms? Current betting markets slightly favor Democrats holding the House and possibly both chambers of Congress. Do prediction markets accurately forecast elections? While not perfect, prediction markets often track political sentiment in real time by incorporating money-backed expectations from traders.


















