NASDAQ · KPTIHealthcarePharmaceuticals

Karyopharm Therapeutics Inc. (KPTI)

$0.0729−17.44%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$0.07▼ 98.71% in range
Nov 4, 2025Low $0.07 · High $10.67Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Karyopharm Therapeutics closed at $0.07 on Nov 4, down 17.44%, within 0.0% of its 52-week closing low. Volume of 40.9M shares was 5.22× its 20-day average (well above normal).

Split-adjusted performance: -88.8% over one month, -99.2% over six months, -98.8% over one year.

In the quarter ended Jun 30, 2026, revenue was $33.43M, down 11.9% from a year earlier, with a net margin of -200.5%.

Short interest was 7.3M shares at the Oct 15 settlement, up 20.0% from the prior report (34.2% of float, 4.8 days to cover).

Market cap$1.7M22.7M shares
Revenue · quarter$33.4M−11.9% YoY
Diluted EPS$-2.32—
P/E · TTM—P/S 0.0×
Net margin-200.5%Gross 96.8%
Dividend yieldNone
52-week range0.07 – 10.67−99.3% from high
Volume40.9M5.22× 20-day avg
Volatility · 60d413.8%Annualised
Short % of float34.2%4.8 days to cover
Net cash-$184.8MCash $65.1M
Next earnings—Not scheduled
Split-adjusted performance
1W −91.2%1M −88.8%3M −96.3%6M −99.2%YTD −99.0%1Y −98.8%3Y −99.4%5Y −99.9%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum0
Revenue growth32
Net margin38
Value (low P/E)—
Size2

Industry medians: 6-month return −25.5%, revenue growth +6.2%, net margin −33.8%, P/E 16.1×.

Short interest

Details →
Shares short7.3M+20.0% vs prior
Days to cover4.8Settled Oct 15
% of float34.2%
Short vol. 10d55.3%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
KPTIKaryopharm Therapeutics$0.0729−17.44%−99.2%−11.9%−200.5%—$1.7M
KAPAKairos Pharma$0.4897−3.03%−87.4%———$1.7MCompare
OGENOragenics$0.3720+0.51%−40.0%———$1.7MCompare
GNPXGenprex$2.14−7.36%−89.1%———$1.8MCompare
ELABPMGC Holdings$1.92−1.03%−91.0%—−225.1%—$1.6MCompare
PPCBPropanc Biopharma$1.79+4.68%−92.9%———$1.8MCompare
GOVXGeoVax Labs, Inc. New$0.1680+2.38%−89.8%−100.0%——$1.5MCompare
SBFMSunshine Biopharma$2.65−3.28%−98.8%−1.6%−16.9%—$2.0MCompare
ARTLArtelo Biosciences$2.27−5.42%−90.9%———$1.2MCompare

Quick answers

What does Karyopharm Therapeutics do?
Karyopharm Therapeutics Inc is a commercial-stage pharmaceutical company focused on novel cancer therapies and dedicated to the discovery, development, and commercialization of drugs directed against nuclear export for the treatment of cancer and other diseases. The company conducts research focused on intracellular communication between the nucleus and cytoplasm and has developed small-molecule compounds that inhibit exportin 1 (XPO1), a nuclear export protein.
What is KPTI's market cap?
$1.65M, based on the Nov 4 close of $0.07.
Does Karyopharm Therapeutics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of KPTI is sold short?
7.3M shares, 34.2% of float, as of Oct 15, 2026.
What sector is KPTI in?
Healthcare, in the Pharmaceuticals industry.

About Karyopharm Therapeutics

Karyopharm Therapeutics Inc is a commercial-stage pharmaceutical company focused on novel cancer therapies and dedicated to the discovery, development, and commercialization of drugs directed against nuclear export for the treatment of cancer and other diseases. The company conducts research focused on intracellular communication between the nucleus and cytoplasm and has developed small-molecule compounds that inhibit exportin 1 (XPO1), a nuclear export protein. It is focused on marketing XPOVIO (selinexor).

HQ: Newton, MA228 employeesListed Nov 6, 2013karyopharm.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology