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SharePolymarket and Kalshi are tracking the Colorado Republican Senate Primary Winner for the upcoming election on June 3, 2026. This primary is crucial as it will determine the Republican candidate who will compete for a Senate seat, impacting party dynamics and legislative control.
Janak Joshi leads the “Colorado Republican Senate Primary Winner” event at 18.5% implied probability. Other contenders include Dathan Jones (13.3%), and George Washington Markert (11.0%). Platforms are tightly aligned at a 1.0% spread.


