The absence of any official U.S. diplomatic recognition or policy shift toward Reza Pahlavi anchors trader expectations that Washington will not designate him Iran's leader by December 31, 2026. President Trump has publicly described Pahlavi as a “very nice person” while stressing preference for an internal successor and confirming limited consideration of the idea, consistent with longstanding guidance against anointing specific exile figures. Ongoing U.S.-Iran negotiations and fragile ceasefire talks through May 2026 have reinforced this approach, as Pahlavi himself has highlighted mixed signals between regime-change rhetoric and diplomatic engagement. No State Department statements, endorsements, or actions have altered the trajectory, leaving formal recognition highly improbable absent a major unforeseen policy reversal.