Will Roger Marshall retain the U.S. Senate seat for Kansas in the November 3, 2026 election?
Posted 2026-10-20 — 14 days before the deadline, stated before the outcome.
Roger Marshall is a United States Senator representing the state of Kansas. The U.S. Senate holds elections every six years, with one-third of seats up for election in any given cycle.
The claim
Roger Marshall retains the U.S. Senate seat for Kansas in the November 3, 2026 election.
Reasoning trace
- Trump's personal endorsement and high-profile rally attendance signal maximum party support
- Historical Republican dominance in Kansas Senate races
- Unexpected alliance with powerful union leaders bolstering Marshall's base
- Trump's 16-point victory margin in the state during the 2024 election indicates strong residual GOP support
Evidence so far
0 confirming · 0 denying signals · 1 verified · 1 broken assumptions. The evidence itself is part of the full dossier.
Probability history
Updated 5 times since mint (last on 2026-10-21) — 65% at mint → 76% today.
What to watch
- milestone The Kansas Secretary of State's office publishes the official certified vote count for the 2026 U.S. Senate race showing Roger Marshall as the winner.
- precondition Kansas Secretary of State announces the official certification of the Kansas U.S. Senate election results
- leading indicator The Associated Press publishes a definitive 'Winner' label for the Kansas Senate race in its election night coverage
The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].
Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.