Senát 2026 · forecast

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District 39 — Trutnov

incumbent running  As of 2026-10-09 · Stage: blind (no odds) · v1

Round-1 result

counted 100 % · Source: ČSÚ (volbyhned.cz)

CandidateParty / backingVotesShare
Jan SobotkaSTAN23 17458.42 %
Zuzana ChovancováANO11 35028.61 %
Radek MrázSPD2 9037.31 %
Hynek BeranPRO2 2355.63 %

Before the election — scored freeze (9 Oct)

CandidateAIStatistical modelAI + modelBettingAI + betting
Jan Sobotka85 %84 %88 %97 %95 %
Zuzana Chovancová14 %9 %11 %2 %4 %
Radek Mráz0.5 %3 %1 %0.3 %0.5 %
Others0.5 %4 %0.6 %0.2 %0.3 %

AI agent (blind) — Before the election — scored freeze (9 Oct)

CandidateParty / backingP(win)Band
Jan SobotkaSTAN85 %72–92 %
Zuzana ChovancováANO14 %7–26 %
Radek MrázSPD0.5 %0–2 %
Others0.5 %0–2 %

Other candidates on the ballot: Hynek Beran (PRO). Candidates and lists per the official ČSÚ register (volby.gov.cz).

AI agent (blind) vs. Statistical model

CandidateParty / backingAI agent (blind)Statistical modelRound-1 share (model, 80% interval)P(advance / win round 1)
Jan SobotkaSTAN85 %84 %43 % (35–51)100 %
Zuzana ChovancováANO14 %9 %27 % (20–34)72 %
Hynek BeranPROin “others”4 %14 % (6–21)6 %
Radek MrázSPD0.5 %3 %16 % (8–23)9 %

AI agent (blind) — Others: 0.5 %. The model cannot see candidates with neither party nor municipal base (new movements, personal brand) — it underrates them. Model →

Why

Strong incumbent (2020: 41.7 % in round 1, 74.6 % in the runoff). About a 31 % chance of an outright round-1 win.

What to watch

If Chovancová leads, Sobotka drops to ~45–50 %.

Run limitations