Track 2028 presidential election prediction market odds from Kalshi, Polymarket, and Manifold — Democratic and Republican nominee futures, presidential winner odds, and candidate-specific markets in one dashboard. The 2028 Election lobby on Predictions.io aggregates the largest futures market in prediction market history, with $1.8B+ in total volume already committed across nominee and general election markets. JD Vance, Gavin Newsom, Ron DeSantis, and AOC are already being actively traded. These are multi-year markets with enormous liquidity — and odds shift with every midterm result, policy decision, and primary announcement. Compare cross-platform pricing to spot where the smart money is positioning years ahead of Election Day.