US birthright citizenship under the 14th Amendment, combined with the narrow statutory grounds for revocation such as naturalization fraud or specific criminal conduct, underpins the near-certain trader consensus that Eileen Gu’s American citizenship will remain intact through December 31, 2026. No formal State Department expatriation proceeding, denaturalization filing, or legislative change targeting her status has occurred despite ongoing political commentary around her representation of China in the Olympics and reported payments from Chinese authorities. US law permits dual nationality in principle and does not treat athletic allegiance to another country as grounds for stripping citizenship. Low-probability shifts could arise from new congressional expatriation rules, undisclosed evidence of prior fraud, or executive action, though none of these have materialized in the current resolution window.