The Coke Zero Sugar 400 at Daytona International Speedway features extreme uncertainty typical of superspeedway pack racing, where drafting, multi-car wrecks, and positioning create frequent upsets regardless of pre-race form. A new aerodynamic package debuting without practice sessions—shortened rear spoiler, reduced horsepower, and intermediate-style splitters—adds another layer of unpredictability, as teams experiment with balance and passing in the opening stage while fuel strategy remains secondary. Playoff bubble drivers like Austin Cindric, Shane van Gisbergen, Ryan Preece, and Brad Keselowski carry extra motivation in the regular-season finale, yet the track's history of chaos levels the field across Hendrick, Penske, Joe Gibbs, and RFK entries. Recent momentum from winners like Ryan Blaney and Joey Logano matters less than starting position and clean air, keeping implied probabilities tightly clustered among dozens of contenders.