The near-certain trader consensus on "No" for a magnitude 10.0 or greater earthquake before 2027 stems from fundamental limits imposed by Earth's tectonics: no known fault is long enough to produce such an event, as magnitude scales directly with rupture length and slip area. USGS assessments and peer-reviewed analyses establish a practical upper bound near 9.5, matching the record Valdivia, Chile quake of 1960 on a roughly 1,000-mile megathrust; theoretical models rarely exceed 9.7 even under maximal assumptions. With only months remaining until 2027, current seismic monitoring from USGS and global networks shows no conditions capable of approaching this threshold. While forecast uncertainty always exists in rupture dynamics, no realistic development—such as an unprecedented multi-segment failure—could overcome these geological constraints in the timeframe.