GA-10 Republican nominee? Kalshi
Ryan Millsap
Market Model 54.0% 46.5%
Houston Gaines
Market Model 46.0% 52.5%
Topic tracker · Elections
Every prediction market Kalshi has run in this series — 2 so far (2 live) — with Octagon's independent model probability tracked against the market at each print. This page is updated as new GA Primary Winners markets list, so it always points at the current market and keeps the resolved history below.
Last updated May 10, 2026