Senát 2026 · forecast

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District 9 — Plzeň-město

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

Round-1 result

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

CandidateParty / backingVotesShare
Karel ŘehkaSTAN12 61132.86 %
Lucie KantorováANO10 46327.26 %
Lumír AschenbrennerODS+KoruČes+TOP7 71420.10 %
Daniela PouskováPRO PLZEŇ3 0437.92 %
Július LíškaSPD1 8454.80 %
Jiří ValentaKSČM1 1813.07 %
Bohumír JanskýSEN 211 1062.88 %
Jaroslav NovákJaSaN4121.07 %

Round-2 forecasts (16–17 Oct)

Probability of winning the runoff. Scored separately from the freeze; the freeze (9 Oct) is scored on the final winner.

CandidateAIStatistical modelAI + modelBettingAI + bettingSTEM (CNN Prima)Seznam Zprávy
Karel Řehka82 %97 %94 %99 %98 %99 %98 %
Lucie Kantorová18 %3 %6 %1 %2 %1 %2 %

AI: v2 · AI + model: v2 · Odds contamination risk: low

Before the election — scored freeze (9 Oct)

CandidateAIStatistical modelAI + modelBettingAI + betting
Lumír Aschenbrenner57 %48 %57 %27 %36 %
Karel Řehka26 %28 %29 %63 %53 %
Lucie Kantorová15 %5 %6 %4 %5 %
Daniela Pousková1 %8 %5 %1 %2 %
Others1 %10 %3 %5 %4 %

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

CandidateParty / backingP(win)Band
Lumír AschenbrennerODS+KoruČes+TOP (navrhl/a ODS)57 %44–67 %
Karel ŘehkaSTAN26 %16–38 %
Lucie KantorováANO15 %8–24 %
Daniela PouskováPRO PLZEŇ1 %0–4 %
Others1 %0–3 %

Other candidates on the ballot: Jaroslav Novák (JaSaN), Bohumír Janský (SEN 21), Jiří Valenta (KSČM), Július Líška (SPD). 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)
Lumír AschenbrennerODS+KoruČes+TOP57 %48 %25 % (17–32)83 %
Karel ŘehkaSTAN26 %28 %19 % (12–26)48 %
Daniela PouskováPRO PLZEŇ1 %8 %12 % (5–20)12 %
Lucie KantorováANO15 %5 %19 % (12–26)50 %
Bohumír JanskýSEN 21in “others”3 %6 % (0–12)1 %
Július LíškaSPDin “others”3 %8 % (0–14)3 %
Jiří ValentaKSČMin “others”2 %6 % (0–12)1 %
Jaroslav NovákJaSaNin “others”2 %6 % (0–12)1 %

AI agent (blind) — Others: 1 %. The model cannot see candidates with neither party nor municipal base (new movements, personal brand) — it underrates them. Model →

Why

The incumbent most likely meets Kantorová (ANO) in the runoff and should beat her. Main risk: former Chief of General Staff Řehka splitting the centre-right vote.

What to watch

If Řehka finishes ahead of Aschenbrenner in round 1, he becomes the favourite (~55 %).

Run limitations