Trader consensus on a 2026 hantavirus pandemic remains overwhelmingly against it at 96.9% implied probability due to the virus's established transmission biology and the contained nature of the 2026 Andes virus cluster. Andes virus, the sole hantavirus with documented person-to-person spread, requires prolonged close contact such as shared living quarters, resulting in low reproductive numbers and rapid chain termination through isolation, as seen in the MV Hondius outbreak that produced roughly 13 cases and three deaths before international monitoring concluded in June with no sustained community transmission. Official CDC and WHO surveillance confirms ongoing low case counts consistent with historical endemic patterns in South America, where rodent reservoirs drive sporadic hantavirus pulmonary syndrome rather than exponential growth. New data releases from ongoing rodent surveillance or genomic sequencing could theoretically shift odds if a higher-transmissibility variant emerged, though current evidence shows no such development.