Alberto Di Rubba's commanding 100.0% implied probability in the Rovigo by-election reflects traders' consensus on his dominant position as Fratelli d'Italia's candidate in this Veneto constituency, a longstanding right-wing stronghold where the party secured over 50% in recent general elections. Recent polling from Istituto Piepoli and others shows Di Rubba leading by 30+ points against PD's Giuseppe Padoan and independent Giacomo Bovolenta, bolstered by Prime Minister Meloni's endorsement and high turnout expectations favoring the center-right coalition. This near-certainty stems from the seat's history and lack of competitive challengers. Realistic challenges include a surprise surge in left-wing mobilization or procedural disputes over ballots, though official results due shortly could confirm the outcome.