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AFTER HRS · 18:30 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

KPTI

Karyopharm Therapeutics Inc.
NASDAQ · HEALTH CARE · PHARMACEUTICAL PREPARATIONS
0.42
+0.07 +18.22%
USD · Oct 21, 06:20 p.m. ET

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Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-319.8M+173K43.27%1M9.3
2026-08-149.6M+2.1M42.51%2.2M4.5
2026-07-317.6M+1.2M33.31%2.8M2.7
2026-07-156.3M−271K27.83%369K17.1

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