Short interest in Karyopharm Therapeutics Inc (NASDAQ:KPTI) increased during the last reporting period, rising from 19.80M to 20.14M. This put 16.08% of the company's publicly available shares short.

Short interest for Karyopharm Therapeutics gives investors a sense of the degree to which investors are betting on the decline of Karyopharm Therapeutics's stock. Short interest data is updated every two weeks.

Based on the recent average volume of 659.76K shares traded per day, it would take 30.52 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.