Elon Musk's 2025 exit from the Department of Government Efficiency after clashing with President Trump over federal spending legislation has anchored trader views that a formal reentry into the administration remains unlikely through the rest of 2026. Recent reconciliation has produced only narrow advisory involvement, such as co-leading the Pentagon's Project Meridian study on future warfare alongside Palmer Luckey and Newt Gingrich, while Musk prioritizes private-sector advances at Tesla, SpaceX, and xAI. Heavy midterm campaign spending and ceremonial honors like the National Medal of Science signal influence without a full-time role. A major cabinet-level appointment or expanded mandate after the November elections could still shift sentiment, though current market-implied odds reflect skepticism that such a development will materialize.