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CLOSED · 16:25 ET
Market ClerkRecap
Sun Sep 6 · markets closed2 signals today321 insider buys this week · $404MCIRO short report next: Sep 15The week ahead

KPTI

Karyopharm Therapeutics Inc.
NASDAQ
1.79
+0.02 +1.13%
USD · close Sep 4

Short interest

FINRA · TWICE MONTHLY
Report dateShares shortChange% of shares outAvg daily volumeDays to cover
2026-08-149.6M+2.1M2.2M4.5
2026-07-317.6M+1.2M2.8M2.7
2026-07-156.3M−271K369K17.1

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