Antero Resources is trading at $40.99, up 19.11% in after-hours trading, with no credible company-specific catalyst identified.
- Shares closed at $34.41 on September 22, 2026; major indexes were largely mixed that day.
- The investor-relations page lists second-quarter results from August 4; the next quarterly report is expected October 28.
- Confidence remains low pending a filing or late-breaking announcement.