Enhanced global surveillance, post-COVID immunity levels, and the 2025 WHO Pandemic Agreement underpin the 83.5% market-implied probability against a new pandemic before 2028. Official CDC and WHO assessments show COVID-19 circulating at low severity with moderate risk, while contained outbreaks such as clade I mpox, Ebola, and Marburg remain localized without sustained human-to-human transmission chains meeting pandemic thresholds. Integrated multi-pathogen monitoring, wastewater surveillance, and genomic sequencing now enable earlier detection, reducing escalation likelihood compared to pre-2020 baselines. Trader consensus reflects these structural improvements alongside historical patterns where novel pathogens rarely achieve pandemic scale within short windows absent specific high-R0 conditions. Upcoming WHO updates and seasonal respiratory data releases could refine near-term odds.