Centene is trading 41.12% down at $37.26; the extreme after-hours move appears unconfirmed and may reflect an illiquid or erroneous quote.
- Centene closed at $63.28 on September 22, 2026; no new company-specific earnings release, regulatory action, or other confirmed catalyst was found to explain the plunge.
- Recent coverage highlighted a projected 9% Medicaid membership decline.
- Centene reaffirmed 2026 adjusted EPS guidance above $4.80.