The absence of any formal U.S. endorsement or policy shift under the Trump administration keeps the implied probability of official recognition for Reza Pahlavi as Iran's leader near 9 percent through December 2026. President Trump publicly described Pahlavi in March 2026 as a "very nice person" while stressing that any successor should already hold domestic support inside Iran rather than relying on diaspora figures. Ongoing U.S.-Iran ceasefire negotiations and diplomatic proposals through mid-May have reinforced this preference for internal transitions over external appointments. No State Department statements, diplomatic recognitions, or White House actions have signaled a change in approach. Pahlavi's recent calls for stronger regime-change backing have not altered the administration's measured stance, aligning trader consensus with historical patterns of U.S. caution toward anointing specific exile candidates.