Recent diplomatic progress, including the June 2026 Islamabad Memorandum signed by U.S. and Iranian officials, has anchored trader expectations against a U.S. ground invasion before 2027. The agreement outlined a mutual halt to military operations, sanctions relief measures, a $300 billion investment framework, and renewed nuclear negotiations following earlier 2026 airstrikes and a temporary ceasefire. Ongoing technical talks through late June have sustained this de-escalation trajectory, with no verified preparations for territorial control operations. Historical patterns of U.S. Middle East engagements and the current emphasis on economic incentives over sustained combat further support the 79.5% implied probability for no invasion, though flare-ups in the Strait of Hormuz could test the fragile framework before year-end.