As president in 2026, Donald Trump's in-person meetings depend on scheduled summits such as the G20 and bilateral diplomatic priorities involving trade, security cooperation, and ongoing conflicts. Key factors include relations with Saudi Arabia, Russia, and other nations where leaders like Mohammed bin Salman or Vladimir Putin have historically engaged U.S. presidents during similar periods. Mid-year developments, including any announced state visits, multilateral gatherings, or shifts in foreign policy focus, shape expectations for encounters through December. Traders assess these against historical patterns of presidential travel and public statements on potential high-level talks.