Talen Energy closed at $326.78 on Nov 4, down 8.54%, 25.4% below its 52-week closing high. Volume of 2.2M shares was 2.01× its 20-day average (well above normal).
Split-adjusted performance: -12.4% over one month, -20.3% over six months, -21.0% over one year.
In the quarter ended Sep 30, 2026, revenue was $1.33B, up 63.4% from a year earlier, with a net margin of 10.4%.
Short interest was 4.2M shares at the Oct 15 settlement, up 68.2% from the prior report (9.3% of float, 3.1 days to cover).