ID-01 Republican nominee? Kalshi
Russ Fulcher
Market Model 99.0% 99.8%
Joseph Morrison
Market Model 0.1% 0.1%
Topic tracker · Elections
Idaho Primary Winners
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 Idaho Primary Winners markets list, so it always points at the current market and keeps the resolved history below.
Last updated May 8, 2026
Live markets
ID-01 Democratic nominee? Kalshi
Kaylee Peterson
Market Model 98.0% 96.1%
Ken Brungardt
Market Model 7.0% 3.9%
