InsiderAdvantage — U.S. Senate — Kansas

Original InsiderAdvantage release on 2026-10-15: Kansas U.S. Senate poll, Adam Hamilton (D) 47%, Roger Marshall (R) 48%; sample 1,200 likely voters in each state, fieldwork 13–14 Oct 2026; mixed-mode text/panel, weighted by age, race, gender and political affiliation; reported MOE +/-2.83 percentage points. Only the two reported candidate percentages are recorded; other/undecided shares are not inferred. Full detailed topline tabs were not posted on the source page at time of check. This is distinct from earlier InsiderAdvantage fieldwork 9–10 Oct 2026.