The overwhelming trader consensus against a U.S. invasion of Mexico in 2026 reflects the absence of any official policy announcements, military mobilizations, or diplomatic breakdowns that would signal such an action, alongside entrenched bilateral economic ties through USMCA and routine security cooperation against transnational threats. Congressional authorization requirements, historical precedent of non-intervention between the two neighbors, and domestic political constraints further anchor the low probability. While major escalations in border security, cartel-related violence spilling into U.S. territory, or abrupt shifts in executive priorities could theoretically introduce new variables before year-end, no verifiable developments in recent months have altered the baseline assessment reflected in current pricing.