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The price of Karyopharm Therapeutics Inc. (KPTI) on October 9, 2026 is 0.6050 USD, +0.83% on the day. Over 52 weeks the stock traded between 0.5650 USD and 10.99 USD; the price now sits 0% of the way up that range. Over the past year the price changed by -89.75%. Market capitalization is 6.61 million USD, rank 320 among 372 stocks of the same industry with a known capitalization.
Closing prices for 9 October 2026
Next earnings report: 2 November 2026 · Earnings calendar
Change over the period shown (line colour): −89.23 %
Karyopharm Therapeutics Inc. trades on Nasdaq under the ticker KPTI. The company belongs to the Health care sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks KPTI has traded between 0.5650 $ and 10.99 $. As of 9 October 2026 the price stood 0.38 % of the way from the 52-week low to the high.
Over one year KPTI shares fell 89.75 %; over six months they fell 92.44 %. Volatility over 90 days is 242.18 %. Dividends are not included: this is price change only, as of 9 October 2026.
The company reported a loss over the last four quarters, so a price-to-earnings ratio is not calculated. Price to sales is 0.0, below the sector median of 4.0. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 9 October 2026 | 0.6020 | 0.6250 | 0.5650 | 0.6050 | 963,000 |
| 8 October 2026 | 0.6300 | 0.6440 | 0.6000 | 0.6000 | 870,200 |
| 7 October 2026 | 0.6500 | 0.6900 | 0.6230 | 0.6450 | 758,700 |
| 6 October 2026 | 0.6910 | 0.7150 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Address:85 WELLS AVENUE SECOND FLOOR, NEWTON, MA, 02459, US
Karyopharm Therapeutics Inc. reported revenue of 151M $ and a net loss of 195M $ over the last four quarters. Net margin is −129.02 %. Revenue changed by +6.33 % year over year. Earnings per share are −16.40 $. Market capitalisation is 7M $.
| 1.2B |
| PFEPfizer, Inc. | 28.28 | +1.65 % | 922M |
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| BMYBristol-Myers Squibb Company | 59.12 | −0.77 % | 714M |
| REGNRegeneron Pharmaceuticals, Inc. | 746.54 | +0.94 % | 555M |
| 0.6350 |
| 0.6500 |
| 1M |
| 5 October 2026 | 0.8020 | 0.8020 | 0.6260 | 0.6710 | 2M |
| 2 October 2026 | 0.8570 | 0.8940 | 0.7470 | 0.8020 | 2M |
| 1 October 2026 | 1.19 | 1.20 | 0.8480 | 0.8670 | 3M |
| 30 September 2026 | 1.26 | 1.27 | 1.18 | 1.22 | 2M |
| 29 September 2026 | 1.62 | 1.63 | 1.20 | 1.21 | 2M |
| 28 September 2026 | 1.59 | 1.66 | 1.54 | 1.62 | 326,500 |
| 25 September 2026 | 1.73 | 1.77 | 1.57 | 1.62 | 1M |
| 24 September 2026 | 1.73 | 1.77 | 1.71 | 1.73 | 677,300 |
| 23 September 2026 | 1.81 | 1.84 | 1.66 | 1.75 | 957,500 |
| 22 September 2026 | 1.87 | 1.92 | 1.78 | 1.82 | 986,800 |
| 21 September 2026 | 1.85 | 1.93 | 1.78 | 1.86 | 2M |
| 18 September 2026 | 1.77 | 1.89 | 1.67 | 1.88 | 2M |
| 17 September 2026 | 1.75 | 1.85 | 1.66 | 1.79 | 1M |
| 16 September 2026 | 1.54 | 1.72 | 1.54 | 1.70 | 1M |
| 15 September 2026 | 1.59 | 1.70 | 1.53 | 1.54 | 1M |
| 14 September 2026 | 1.55 | 1.62 | 1.55 | 1.60 | 991,400 |