**The contained May 2026 Andes virus cluster on the MV Hondius cruise ship—limited to roughly 13 cases and three deaths—has reinforced the market's 96.1% implied probability against a hantavirus pandemic in 2026.** Official reports from WHO and CDC describe a zoonotic spillover event that was rapidly isolated through quarantine and contact tracing, with no sustained community transmission detected afterward. Andes virus is the only hantavirus known for limited person-to-person spread, but this requires close, prolonged contact rather than efficient respiratory or airborne routes typical of pandemic pathogens. Most hantaviruses, including those in North America, remain strictly rodent-to-human via aerosolized excreta and produce only sporadic Hantavirus Pulmonary Syndrome cases with no epidemic potential. Surveillance data through mid-2026 show typical background incidence in endemic regions (hundreds of cases annually in parts of South America and Asia) without unusual clustering or virulence shifts. CDC and WHO explicitly rate the global risk as low, citing the virus's dependence on specific ecological and behavioral factors that prevent exponential growth. Historical outbreaks, even those involving Andes virus, have remained localized. Realistic scenarios that could still alter the outcome include a rare genetic change enabling broader human-to-human transmission or undetected multi-country spillovers before symptoms appear. However, current epidemiological patterns, model consensus on transmission dynamics, and ongoing monitoring make these developments improbable before year-end, supporting the strong trader consensus reflected in the odds.