Enhanced global surveillance, the May 2025 adoption of the WHO Pandemic Agreement, and the absence of any novel pathogen showing sustained human-to-human transmission or exponential growth support the market's 81% implied probability against a new pandemic before 2028. Official monitoring from WHO and CDC shows only localized outbreaks (e.g., Salmonella clusters, limited avian influenza activity) without the scale or spread required for pandemic declaration. Historical baselines indicate COVID-scale events occur roughly every 30–50 years on average, with annual probabilities estimated at 2–3%; over the remaining 16 months this yields low cumulative odds absent a sudden emergence. Ongoing Intergovernmental Working Group talks on pathogen access and benefit-sharing further reinforce preparedness momentum, though experts note remaining gaps in equitable response capacity. Traders appear to weigh these structural improvements and current epidemiological stability more heavily than longer-term risks such as climate-driven spillovers.