The high implied probability of "No" (83.5%) for a U.S. invasion of Iran before 2027 reflects the ongoing pattern of U.S. and Israeli airstrikes, naval blockades, and economic sanctions since the February 2026 Operation Epic Fury, which targeted Iranian leadership and infrastructure but avoided large-scale ground operations. As of mid-August 2026, the Trump administration has emphasized indefinite naval enforcement in the Strait of Hormuz, renewed sanctions pressure, and stalled diplomatic talks over nuclear issues and shipping access rather than troop deployments or occupation plans. Iran's retaliatory missile and drone activity and regime continuity under the new supreme leader have sustained tensions without triggering a shift to ground invasion, consistent with historical U.S. reluctance for such operations given geographic and logistical barriers. Recent developments, including pauses in strikes tied to mediation and a pivot toward financial measures amid depleted munitions stockpiles, reinforce trader expectations that objectives will be pursued through air, naval, and economic means within the short remaining window.