U.S. trader consensus on a low probability of invasion in 2026 stems primarily from sustained bilateral security cooperation, Mexican rejection of unilateral intervention, and the absence of any operational military preparations. Early 2026 rhetoric from President Trump about potential land strikes on cartels prompted FAA advisories and Mexican diplomatic pushback, yet joint efforts have delivered measurable fentanyl reductions and continued under the Sheinbaum administration's sovereignty framework. Deep economic integration via USMCA, large U.S. citizen presence in Mexico, and institutional barriers further limit escalation risks, keeping implied probabilities near 95 percent for no invasion. Late-breaking developments such as a major cross-border incident or collapse in cooperation could still shift assessments, though such triggers remain speculative given current patterns.