Recent diplomatic efforts and limited military engagements have shaped trader expectations against a full U.S. invasion of Iran before 2027. Following U.S.-Israeli strikes in early 2026 that initiated the Iran war, the sides reached a June memorandum of understanding and subsequent ceasefires, including technical talks in Islamabad that addressed the Strait of Hormuz, sanctions relief, and nuclear issues. As of August 2026, ongoing tensions involve periodic U.S. strikes, Iranian shipping threats, and depleted American munitions stockpiles, yet senior U.S. officials have signaled interest in off-ramps through further negotiations rather than ground operations. These developments, combined with economic incentives and mediation, support the current 83.5% implied probability on "No."