KPTI short interest
Karyopharm Therapeutics Inc. · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 6,056,162 |
|---|---|
| Change vs prior report | -1,809,006 (-23.0%) |
| Change over six months | +11.0% |
| Days to cover | 4.79 (sector: 3.78) |
| Average daily volume | 1,263,778 |
| Rank in Healthcare | #438 of 922 by days to cover |
KPTI short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 6,056,162 | -23.0% | 4.79 | 1,263,778 |
| 2026-09-15 | 7,865,168 | -19.9% | 5.01 | 1,569,751 |
| 2026-08-31 | 9,813,744 | +1.8% | 9.35 | 1,049,133 |
| 2026-08-14 | 9,640,954 | +27.6% | 4.46 | 2,164,050 |
| 2026-07-31 | 7,555,693 | +19.7% | 2.67 | 2,831,508 |
| 2026-07-15 | 6,312,305 | -4.1% | 17.13 | 368,544 |
| 2026-06-30 | 6,583,425 | +17.9% | 9.12 | 721,671 |
| 2026-06-15 | 5,585,175 | +4.4% | 16.79 | 332,577 |
| 2026-05-29 | 5,348,401 | +1.4% | 11.90 | 449,267 |
| 2026-05-15 | 5,276,525 | -0.3% | 11.52 | 457,959 |
| 2026-04-30 | 5,293,720 | -7.4% | 14.50 | 365,077 |
| 2026-04-15 | 5,718,250 | +4.8% | 8.99 | 636,166 |
| 2026-03-31 | 5,457,102 | +51.9% | 2.29 | 2,382,866 |
| 2026-03-13 | 3,592,118 | +20.9% | 5.03 | 713,792 |
| 2026-02-27 | 2,971,195 | +20.5% | 5.76 | 516,202 |
| 2026-02-13 | 2,466,525 | +82.5% | 2.89 | 853,907 |
| 2026-01-30 | 1,351,651 | +81.7% | 3.95 | 341,783 |
| 2026-01-15 | 743,709 | +110.2% | 1.48 | 503,618 |
| 2025-12-31 | 353,885 | +18.2% | 1.27 | 279,236 |
| 2025-12-15 | 299,277 | -12.3% | 1.33 | 224,819 |
| 2025-11-28 | 341,393 | -52.4% | 2.99 | 114,102 |
| 2025-11-14 | 716,400 | +10.5% | 7.33 | 97,669 |
| 2025-10-31 | 648,449 | -54.9% | 4.71 | 137,661 |
| 2025-10-15 | 1,438,931 | -36.2% | 3.32 | 433,727 |
| 2025-09-30 | 2,256,786 | +2.4% | 19.64 | 114,902 |
import finzdata as yf
yf.Ticker("KPTI").short_interest # every report since 2017
yf.Client().short_interest(["KPTI"], start="2018-01-01")Healthcare short interest · KPTI price history · Who owns KPTI · All short interest