The betting markets for the 2026 FIFA World Cup, examined in a CBS Sports guide, reveal a fundamental tension: oddsmakers are pricing a tournament whose competitive structure remains an analytical unknown. The expansion to 48 teams, with matches spread across three host nations—the United States, Canada, and Mexico—introduces variables that traditional models cannot fully capture. Favorites such as France and Brazil carry short odds, reflecting historical weight rather than concrete evidence about how the new format will redistribute advantages. The absence of a single host nation eliminates a familiar home-field variable, while the enlarged group stage weakens the predictive power of past performance data. The market is pricing confidence where none yet exists. The real story is not which team leads the odds table, but whether the betting industry’s tools can adapt quickly enough to a tournament that has fundamentally changed its own geometry.