Will the Czech Senate second-round runoff elections (Oct 16–17, 2026) result in a net gain of at least five seats for opposition parties relative to the seats contested, as reported by the Czech Statistical Office on volby.cz by Oct 18, 2026?

The Czech Statistical Office publishes final results on volby.cz by Oct 18, 2026 showing that opposition parties collectively gained at least five Senate seats compared to the seats they held going into the runoffs. Source: Czech Statistical Office