The high implied probability against a U.S. invasion of Cuba in 2026 reflects the Trump administration’s emphasis on sustained economic sanctions, secondary tariffs on oil shipments, and targeted designations of Cuban entities and officials to compel security concessions and internal reforms. Recent months have featured intensified pressure—including the May indictment of Raúl Castro, deployment of naval assets for signaling, and executive orders expanding restrictions—yet official statements and analyses prioritize coercive diplomacy over direct military action. Pentagon planning has reviewed options, but assessments highlight substantial risks from migration surges, humanitarian fallout, and domestic political timing ahead of the November midterms. Cuban officials have acknowledged threats while maintaining open channels, with no verified preparations for large-scale intervention. Traders view these dynamics as favoring non-military leverage through 2026.