Karyopharm Therapeutics closed at $0.07 on Nov 4, down 17.44%, within 0.0% of its 52-week closing low. Volume of 40.9M shares was 5.22× its 20-day average (well above normal).
Split-adjusted performance: -88.8% over one month, -99.2% over six months, -98.8% over one year.
In the quarter ended Jun 30, 2026, revenue was $33.43M, down 11.9% from a year earlier, with a net margin of -200.5%.
Short interest was 7.3M shares at the Oct 15 settlement, up 20.0% from the prior report (34.2% of float, 4.8 days to cover).