The new 2026 Formula 1 regulations, featuring lighter cars, reduced downforce, and revised power units, create substantial uncertainty heading into the Italian Grand Prix at Monza, where FP1 lap times often reflect exploratory setups rather than outright pace. High-speed straights and flowing corners reward raw aerodynamic efficiency and driver confidence on the limit, yet teams typically prioritize long runs, tire evaluations, or data collection over single-lap pushes in the opening session. With 22 cars on the grid including the new Cadillac entry, the field remains tightly bunched, as recent pre-season testing and prior Monza practice sessions have shown multiple squads capable of competitive benchmarks depending on conditions and strategy. Trader consensus around 40% implied probability for numerous drivers underscores this even spread, driven by the session's inherent variability rather than established form hierarchies.