US birthright citizenship under the 14th Amendment, combined with narrow statutory grounds for revocation such as naturalization fraud or specific criminal conduct, forms the core barrier to any official action against Eileen Gu. No State Department expatriation proceedings, DOJ denaturalization filings, or legislative proposals have emerged as of September 2026 despite renewed scrutiny tied to her Chinese government payments and Olympic representation of China. Traders assign 97.9% probability to “No” by the December 31, 2026 resolution date because political commentary and online criticism have not translated into administrative or congressional steps. Low-probability shifts remain possible only through unforeseen statutory changes or newly surfaced evidence of prior fraud, neither of which has materialized.