Spire Inc. 6.375% Junior Subordinated Notes due 2086 closed at $21.48 on Sep 28, down 0.23%, within 0.0% of its lowest close since Jan 16. Volume of 80.1K shares was 2.48× its 20-day average (well above normal).
Split-adjusted performance: -4.5% over one month, -11.0% over six months.
In the quarter ended Jun 30, 2026, revenue was $420.20M, with a net margin of 50.2%.
Short interest was 10.5K shares at the Sep 15 settlement, up 16.6% from the prior report (1.0 days to cover).