Mine Safety Incorporated closed at $177.60 on Nov 4, up 2.03%, 12.5% below its 52-week closing high. Volume of 533.0K shares was 2.09× its 20-day average (well above normal).
Split-adjusted performance: -2.7% over one month, +2.1% over six months, +13.9% over one year.
In the quarter ended Sep 30, 2026, revenue was $536.43M, up 14.5% from a year earlier, with a net margin of 10.9%.
Short interest was 1.1M shares at the Oct 15 settlement, up 9.5% from the prior report (3.1% of float, 5.0 days to cover).