The overwhelming trader consensus against a U.S. invasion of Mexico in 2026 reflects the absence of any congressional authorization, Pentagon mobilization orders, or executive directives aimed at establishing territorial control south of the border. Bilateral cooperation continues on migration enforcement, fentanyl interdiction, and USMCA trade reviews despite tariff tensions and occasional U.S. statements reserving options for targeted cartel operations. Mexican officials have repeatedly rejected foreign military involvement on their soil as a red line, while U.S. deployments remain limited to domestic border support roles. This environment aligns with historical patterns where rhetoric on cross-border strikes has not translated into large-scale offensive campaigns. Even so, an unforeseen escalation—such as a major cartel attack prompting rapid policy shifts or congressional action—could introduce limited uncertainty before year-end resolution.