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Karyopharm Therapeutics Inc.(KPTI US)

$0.83+0.3573.35%Ext:$0.80-0.033.87%(After Hours · 23:21:35 UTC)
Doc SearchProfileEntity StructureFinancialsChartingShort InterestEmployees

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Financials & Metrics

FinancialsChartingShort InterestEmployees
KPTI US​
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Short Interest

Short Interest7.9M
Price$1.54
Sep 15, 2026
Short Float %53.10%
Short Ratio5.01

Daily Short Sale Volume

Short Volume75.9K
Price$9.67
Feb 20, 2026
Short Volume Ratio58.10%

Short Interest History

Settlement DateShort InterestShares FloatAvg. Daily VolumeShort FloatShort Ratio
Sep 15, 2026
7.9M
14.8M
1.6M
53.10%
5.01
Aug 31, 2026
9.8M
14.8M
1.0M
66.26%
9.35
Aug 14, 2026
9.6M
14.8M
2.2M
65.09%
4.46
Jul 31, 2026
7.6M
14.8M
2.8M
51.01%
2.67
Jul 15, 2026
6.3M
14.8M
368.5K
42.62%
17.13
Jun 30, 2026
6.6M
14.8M
721.7K
44.45%
9.12
Jun 15, 2026
5.6M
14.8M
332.6K
37.71%
16.79
May 29, 2026
5.3M
14.7M
449.3K
36.39%
11.90
May 15, 2026
5.3M
8.0M
458.0K
66.17%
11.52
Apr 30, 2026
5.3M
8.0M
365.1K
66.38%
14.50
Apr 15, 2026
5.7M
8.0M
636.2K
71.71%
8.99
Mar 31, 2026
5.5M
8.0M
2.4M
68.43%
2.29
Mar 13, 2026
3.6M
8.0M
713.8K
45.05%
5.03
Feb 27, 2026
3.0M
8.0M
516.2K
37.26%
5.76
Feb 13, 2026
2.5M
8.0M
853.9K
30.93%
2.89
Jan 30, 2026
1.4M
8.0M
341.8K
16.95%
3.95
Jan 15, 2026
743.7K
8.0M
503.6K
9.33%
1.48
Dec 31, 2025
353.9K
8.0M
279.2K
4.44%
1.27
Dec 15, 2025
299.3K
8.0M
224.8K
3.75%
1.33
Nov 28, 2025
341.4K
8.0M
114.1K
4.28%
2.99
Nov 14, 2025
716.4K
8.0M
97.7K
8.98%
7.33
Oct 31, 2025
648.4K
8.0M
137.7K
8.13%
4.71
Oct 15, 2025
1.4M
8.0M
433.7K
18.04%
3.32
Sep 30, 2025
2.3M
8.0M
114.9K
28.30%
19.64
Sep 15, 2025
2.2M
8.0M
73.0K
27.64%
30.17
Aug 29, 2025
2.2M
8.0M
139.5K
27.36%
15.63
Aug 15, 2025
2.1M
8.0M
271.0K
26.89%
7.91
Jul 31, 2025
2.1M
8.0M
151.0K
26.67%
14.09
Jul 15, 2025
2.1M
8.0M
279.1K
25.94%
7.41
Jun 30, 2025
2.0M
8.0M
38.1K
25.45%
53.34
Jun 13, 2025
2.0M
8.0M
79.8K
25.36%
25.35
May 30, 2025
2.1M
8.0M
72.7K
26.01%
28.52
May 15, 2025
2.1M
8.0M
93.9K
26.19%
22.25
Apr 30, 2025
2.0M
8.0M
88.6K
24.82%
22.34
Apr 15, 2025
1.8M
8.0M
144.5K
23.00%
12.69
Mar 31, 2025
1.3M
8.0M
177.1K
16.43%
7.40
Mar 14, 2025
1.1M
8.0M
138.7K
13.40%
7.71
Feb 28, 2025
1.1M
8.0M
160.6K
13.26%
6.58
Feb 14, 2025
20.8M
8.0M
833.6K
260.71%
24.94
Jan 31, 2025
20.1M
8.0M
659.8K
252.51%
30.52
Jan 15, 2025
19.8M
8.0M
880.5K
248.25%
22.48
Dec 31, 2024
19.5M
8.0M
1.3M
244.05%
14.77
Dec 13, 2024
19.8M
8.0M
1.2M
248.19%
16.48
Nov 29, 2024
18.9M
8.0M
413.1K
237.29%
45.80
Nov 15, 2024
18.9M
8.0M
849.2K
237.44%
22.30
Oct 31, 2024
17.7M
8.0M
951.8K
221.87%
18.59
Oct 15, 2024
17.6M
8.0M
876.9K
220.88%
20.09
Sep 30, 2024
18.6M
8.0M
761.2K
233.26%
24.44
Sep 13, 2024
17.9M
8.0M
520.4K
224.80%
34.45
Aug 30, 2024
18.5M
8.0M
426.0K
232.19%
43.47
Aug 15, 2024
18.3M
8.0M
645.6K
228.93%
28.28
Jul 31, 2024
18.4M
8.0M
951.2K
230.40%
19.32
Jul 15, 2024
18.9M
8.0M
1.2M
236.91%
16.11
Jun 28, 2024
21.6M
8.0M
2.5M
271.42%
8.55
Jun 14, 2024
21.4M
8.0M
1.2M
268.14%
17.49
May 31, 2024
20.1M
8.0M
1.3M
252.64%
15.49
May 15, 2024
17.6M
8.0M
1.3M
220.20%
13.06
Apr 30, 2024
17.2M
8.0M
1.3M
215.28%
13.54
Apr 15, 2024
23.6M
8.0M
1.0M
295.46%
23.33
Mar 28, 2024
22.9M
8.0M
907.0K
287.76%
25.30
Mar 15, 2024
23.1M
8.0M
1.5M
290.07%
15.82
Feb 29, 2024
23.4M
8.0M
1.7M
293.92%
13.75
Feb 15, 2024
23.4M
8.0M
4.1M
293.81%
5.67
Jan 31, 2024
18.9M
8.0M
952.4K
236.98%
19.84
Jan 12, 2024
18.7M
8.0M
1.2M
234.23%
15.95
Dec 29, 2023
17.9M
8.0M
1.6M
225.06%
11.48
Dec 15, 2023
17.7M
8.0M
1.4M
222.49%
12.59
Nov 30, 2023
18.5M
8.0M
837.2K
232.43%
22.14
Nov 15, 2023
18.9M
8.0M
1.0M
236.86%
18.15
Oct 31, 2023
17.9M
8.0M
1.0M
224.64%
17.77
Oct 13, 2023
17.6M
8.0M
864.4K
220.59%
20.35
Sep 29, 2023
16.6M
8.0M
1.8M
208.69%
9.16
Sep 15, 2023
15.0M
8.0M
1.2M
188.60%
12.70
Aug 31, 2023
14.7M
8.0M
1.5M
184.47%
9.50
Aug 15, 2023
14.5M
8.0M
1.4M
181.98%
10.25
Jul 31, 2023
15.0M
8.0M
5.6M
188.08%
2.67
Jul 14, 2023
13.9M
8.0M
2.0M
173.73%
6.86
Jun 30, 2023
12.6M
8.0M
4.8M
157.39%
2.63
Jun 15, 2023
16.5M
8.0M
2.3M
207.21%
7.23
May 31, 2023
16.5M
8.0M
2.0M
206.59%
8.17
May 15, 2023
17.1M
8.0M
3.7M
214.70%
4.66
Apr 28, 2023
18.0M
8.0M
2.4M
225.22%
7.45
Apr 14, 2023
17.8M
8.0M
2.1M
222.75%
8.28
Mar 31, 2023
19.1M
8.0M
2.9M
239.45%
6.58
Mar 15, 2023
16.7M
8.0M
2.2M
209.82%
7.53
Feb 28, 2023
18.3M
8.0M
2.1M
229.85%
8.93
Feb 15, 2023
21.3M
8.0M
2.2M
267.50%
9.91
Jan 31, 2023
23.1M
8.0M
2.4M
290.16%
9.77
Jan 13, 2023
21.7M
8.0M
4.4M
271.71%
4.88
Dec 30, 2022
20.9M
8.0M
3.3M
262.20%
6.30
Dec 15, 2022
16.4M
8.0M
2.7M
206.00%
6.00
Nov 30, 2022
13.6M
8.0M
1.2M
170.85%
11.71
Nov 15, 2022
13.6M
8.0M
2.4M
171.10%
5.63
Oct 31, 2022
13.5M
8.0M
1.6M
169.58%
8.31
Oct 14, 2022
13.7M
8.0M
1.5M
171.70%
9.18
Sep 30, 2022
13.4M
8.0M
1.8M
168.53%
7.32
Sep 15, 2022
14.3M
8.0M
1.8M
178.78%
7.86
Aug 31, 2022
15.1M
8.0M
1.8M
189.22%
8.47
Aug 15, 2022
17.0M
8.0M
2.1M
213.58%
8.01
Jul 29, 2022
18.0M
8.0M
1.8M
225.38%
10.04
Jul 15, 2022
18.1M
8.0M
2.0M
226.74%
9.07
Jun 30, 2022
16.3M
8.0M
3.1M
204.94%
5.21
Jun 15, 2022
15.3M
8.0M
2.3M
192.48%
6.70
May 31, 2022
14.5M
8.0M
2.2M
181.43%
6.51
May 13, 2022
14.6M
8.0M
3.2M
182.70%
4.52
Apr 29, 2022
14.0M
8.0M
1.8M
174.97%
7.55
Apr 14, 2022
13.4M
8.0M
2.5M
168.64%
5.33
Mar 31, 2022
13.8M
8.0M
3.2M
173.66%
4.31
Mar 15, 2022
11.4M
8.0M
4.0M
143.43%
2.87
Feb 28, 2022
12.5M
8.0M
6.8M
156.64%
1.83
Feb 15, 2022
11.0M
8.0M
4.5M
138.17%
2.43
Jan 31, 2022
11.4M
8.0M
2.3M
143.09%
4.93
Jan 14, 2022
11.7M
8.0M
2.2M
146.87%
5.43
Dec 31, 2021
12.1M
8.0M
2.4M
152.02%
5.12
Dec 15, 2021
13.5M
8.0M
2.2M
169.07%
6.06
Nov 30, 2021
12.7M
8.0M
1.7M
159.44%
7.41
Nov 15, 2021
12.9M
8.0M
4.1M
162.26%
3.19
Oct 29, 2021
13.1M
8.0M
1.0M
164.50%
12.62
Oct 15, 2021
13.3M
8.0M
1.0M
167.34%
13.07
Sep 30, 2021
14.4M
8.0M
1.4M
181.04%
10.38
Sep 15, 2021
13.2M
8.0M
1.3M
165.40%
10.33
Aug 31, 2021
13.9M
8.0M
1.5M
174.71%
9.07
Aug 13, 2021
14.0M
8.0M
2.9M
176.02%
4.86
Jul 30, 2021
15.1M
8.0M
829.0K
188.74%
18.16
Jul 15, 2021
15.0M
8.0M
1.1M
188.58%
13.90
Jun 30, 2021
15.0M
8.0M
1.4M
188.72%
10.40
Jun 15, 2021
14.4M
8.0M
1.5M
181.10%
9.90
May 28, 2021
13.7M
8.0M
1.1M
171.99%
12.55
May 14, 2021
14.9M
8.0M
2.5M
186.38%
5.99
Apr 30, 2021
14.9M
8.0M
1.3M
186.51%
11.10
Apr 15, 2021
15.9M
8.0M
1.1M
199.44%
13.86
Mar 31, 2021
15.5M
8.0M
1.9M
194.13%
7.99
Mar 15, 2021
15.6M
8.0M
2.3M
195.47%
6.89
Feb 26, 2021
16.8M
8.0M
2.2M
210.16%
7.63
Feb 12, 2021
15.7M
8.0M
3.6M
197.41%
4.40
Jan 29, 2021
14.2M
8.0M
2.8M
177.98%
5.09
Jan 15, 2021
15.9M
8.0M
2.4M
198.93%
6.69
Dec 31, 2020
15.4M
8.0M
3.2M
193.46%
4.78
Dec 15, 2020
14.7M
8.0M
1.8M
184.43%
7.97
Nov 30, 2020
15.0M
8.0M
1.1M
188.12%
13.76
Nov 13, 2020
15.5M
8.0M
1.5M
194.61%
10.66
Oct 30, 2020
15.7M
8.0M
958.8K
197.28%
16.41
Oct 15, 2020
15.4M
8.0M
883.1K
193.73%
17.49
Sep 30, 2020
15.0M
8.0M
1.2M
187.72%
12.89
Sep 15, 2020
14.4M
8.0M
1.1M
180.62%
13.56
Aug 31, 2020
14.3M
8.0M
1.0M
179.05%
13.60
Aug 14, 2020
15.5M
8.0M
1.7M
194.19%
9.08
Jul 31, 2020
15.6M
8.0M
1.4M
195.19%
11.28
Jul 15, 2020
16.7M
8.0M
1.6M
209.35%
10.49
Jun 30, 2020
15.6M
8.0M
2.6M
195.36%
6.03
Jun 15, 2020
14.5M
8.0M
1.6M
181.61%
9.19
May 29, 2020
13.9M
8.0M
1.5M
173.77%
9.10
May 15, 2020
13.3M
8.0M
1.7M
166.90%
7.97
Apr 30, 2020
13.5M
8.0M
965.1K
169.34%
13.99
Apr 15, 2020
14.3M
8.0M
1.0M
179.04%
14.06
Mar 31, 2020
13.3M
8.0M
1.6M
166.44%
8.37
Mar 13, 2020
12.4M
8.0M
4.0M
155.28%
3.10
Feb 28, 2020
13.0M
8.0M
1.3M
163.31%
10.15
Feb 14, 2020
12.8M
8.0M
815.9K
160.75%
15.71
Jan 31, 2020
12.9M
8.0M
1.1M
162.16%
11.89
Jan 15, 2020
9.6M
8.0M
1.0M
120.66%
9.44
Dec 31, 2019
9.6M
8.0M
1.1M
119.98%
8.39
Dec 13, 2019
10.3M
8.0M
1.3M
128.75%
7.66
Nov 29, 2019
11.1M
8.0M
963.6K
139.22%
11.52
Nov 15, 2019
10.9M
8.0M
1.9M
136.34%
5.59
Oct 31, 2019
10.7M
8.0M
1.0M
134.04%
10.67
Oct 15, 2019
12.1M
8.0M
1.6M
151.36%
7.34
Sep 30, 2019
14.3M
8.0M
2.2M
179.13%
6.60
Sep 13, 2019
14.7M
8.0M
1.8M
183.87%
8.27
Aug 30, 2019
11.8M
8.0M
1.2M
147.70%
9.89
Aug 15, 2019
11.3M
8.0M
1.5M
142.21%
7.78
Jul 31, 2019
11.5M
8.0M
1.9M
143.59%
6.12
Jul 15, 2019
10.1M
8.0M
8.2M
126.31%
1.23
Jun 28, 2019
8.8M
8.0M
1.1M
109.86%
7.73
Jun 14, 2019
9.0M
8.0M
953.2K
112.38%
9.40
May 31, 2019
8.0M
8.0M
1.7M
100.78%
4.59
May 15, 2019
6.7M
8.0M
583.1K
83.71%
11.45
Apr 30, 2019
7.1M
8.0M
577.8K
88.44%
12.21
Apr 15, 2019
7.6M
8.0M
661.9K
94.77%
11.42
Mar 29, 2019
7.5M
8.0M
1.4M
93.84%
5.31
Mar 15, 2019
7.6M
8.0M
2.5M
95.51%
3.04
Feb 28, 2019
7.8M
8.0M
4.7M
98.37%
1.67
Feb 15, 2019
7.6M
8.0M
1.3M
95.56%
5.82
Jan 31, 2019
6.0M
8.0M
628.4K
74.81%
9.49
Jan 15, 2019
6.0M
8.0M
492.6K
75.81%
12.27
Dec 31, 2018
6.1M
8.0M
737.1K
76.19%
8.24
Dec 14, 2018
5.6M
8.0M
722.4K
69.75%
7.70
Nov 30, 2018
6.7M
8.0M
529.3K
84.21%
12.69
Nov 15, 2018
6.8M
8.0M
577.5K
85.16%
11.76
Oct 31, 2018
6.4M
8.0M
720.7K
79.82%
8.83
Oct 15, 2018
6.7M
8.0M
1.6M
84.31%
4.13
Sep 28, 2018
5.0M
8.0M
660.9K
62.98%
7.60
Sep 14, 2018
5.0M
8.0M
479.0K
62.97%
10.48
Aug 31, 2018
5.1M
8.0M
456.4K
63.84%
11.15
Aug 15, 2018
4.9M
8.0M
364.6K
62.05%
13.57
Jul 31, 2018
5.1M
8.0M
372.1K
64.28%
13.78
Jul 13, 2018
5.4M
8.0M
298.7K
67.34%
17.98
Jun 29, 2018
5.4M
8.0M
867.1K
68.08%
6.26
Jun 15, 2018
4.5M
8.0M
781.5K
56.57%
5.77
May 31, 2018
3.7M
8.0M
616.9K
45.98%
5.94
May 15, 2018
4.0M
8.0M
1.9M
49.88%
2.10
Apr 30, 2018
3.6M
8.0M
735.5K
44.59%
4.83
Apr 13, 2018
2.6M
8.0M
708.4K
32.31%
3.64
Mar 29, 2018
2.4M
8.0M
512.3K
29.60%
4.61
Mar 15, 2018
2.1M
8.0M
520.3K
26.09%
4.00
Feb 28, 2018
2.1M
8.0M
238.5K
26.46%
8.85
Feb 15, 2018
2.0M
8.0M
358.8K
25.65%
5.70
Jan 31, 2018
1.9M
8.0M
198.2K
23.97%
9.64
Jan 12, 2018
1.9M
8.0M
185.8K
24.27%
10.42
Dec 29, 2017
1.9M
8.0M
201.9K
23.77%
9.39