Inter Milan holds the strongest position in the Serie A 2027 champion market at 61.5% implied probability, reflecting their status as defending champions under manager Cristian Chivu and an unbeaten start to the 2026-27 campaign that includes a 3-0 win over Parma. The nerazzurri’s squad depth, reinforced by additions such as John Stones, and consistent goal-scoring output have sustained trader confidence despite a crowded table where Lazio shares the early lead on 16 points. Roma sits at 15% as the clearest alternative after a solid opening with strong defensive organization, while Juventus at 6.5%, Como at 4.1%, and AC Milan at 3.4% trail amid mixed results and draws that have limited momentum. Lower probabilities for Napoli, Lazio, and the rest align with their current form and historical gaps relative to the frontrunners.