The contained May 2026 Andes virus outbreak aboard the MV Hondius cruise ship, which produced 13 confirmed or suspected cases and three deaths before ending with no further transmissions after May 25, underpins the 98.5% market-implied odds against a 2026 hantavirus pandemic. Official WHO and CDC monitoring of over 650 contacts across dozens of countries found no sustained community spread, consistent with hantavirus pulmonary syndrome's primary rodent-borne transmission via aerosolized excreta and the Andes strain's requirement for prolonged close contact for any limited human-to-human spread. Historical patterns show sporadic, localized clusters rather than exponential global expansion, with no evidence of increased virulence or airborne efficiency in current surveillance data. While an undetected rodent reservoir expansion or rare genetic shift enabling broader transmission remains theoretically possible before year-end, current epidemiological indicators and resolved contact tracing make such developments improbable.