Trader consensus on a 2026 hantavirus pandemic at just 2.9% implied probability stems from the virus’s primary rodent-to-human transmission via aerosolized excreta and the absence of sustained community spread after the contained MV Hondius Andes virus outbreak. That cluster produced roughly 13 cases and three deaths before quarantine and 42-day monitoring ended in June with no secondary U.S. or international transmission. Official CDC and WHO assessments note that only the Andes strain shows limited person-to-person spread, requiring prolonged close contact, unlike respiratory viruses capable of exponential growth. Argentina’s 58 confirmed cases through mid-September remain near historical averages, with no evidence of elevated transmissibility or pandemic-scale amplification. Continued rodent surveillance and case monitoring through year-end represent the main variables that could shift odds if an unexpected genetic change or massive spillover event occurred.