Ecovyst closed at $9.97 on Nov 4, down 0.80%, 33.4% below its 52-week closing high. Volume of 1.4M shares was 1.16× its 20-day average (close to normal).
Split-adjusted performance: -3.9% over one month, -32.1% over six months, +20.6% over one year.
In the quarter ended Jun 30, 2026, revenue was $249.96M, up 42.0% from a year earlier, with a net margin of 3.1%.
Short interest was 6.3M shares at the Oct 15 settlement, up 6.6% from the prior report (5.9% of float, 5.6 days to cover).