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NASDAQ · ASPIMaterialsMiscellaneous Chemicals

ASP Isotopes Inc. Common Stock (ASPI)

$1.91+5.52%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$1.91▼ 76.76% in range
Nov 4, 2025Low $1.81 · High $9.00Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

ASP Isotopes closed at $1.91 on Nov 4, up 5.52%, 79.1% below its 52-week closing high. Volume of 4.2M shares was 0.95× its 20-day average (close to normal).

Split-adjusted performance: -33.0% over one month, -65.5% over six months, -79.1% over one year.

In the quarter ended Jun 30, 2026, revenue was $5.12M, up 327.6% from a year earlier, with a net margin of -655.6%.

Short interest was 29.0M shares at the Oct 15 settlement, up 9.8% from the prior report (21.0% of float, 5.8 days to cover).

Market cap$292.8M153.3M shares
Revenue · quarter$5.1M+327.6% YoY
Diluted EPS$-0.27—
P/E · TTM—P/S 9.5×
Net margin-655.6%Gross 28.9%
Dividend yieldNone
52-week range1.81 – 9.15−79.1% from high
Volume4.2M0.95× 20-day avg
Volatility · 60d73.4%Annualised
Short % of float21.0%5.8 days to cover
Net cash-$8.8MCash $254.9M
Next earnings—Not scheduled
Split-adjusted performance
1W −5.9%1M −33.0%3M −53.4%6M −65.5%YTD −64.3%1Y −79.1%3Y +76.9%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Miscellaneous Chemicals

Percentile among 8 companies (100 = best)

6-month momentum0
Revenue growth100
Net margin0
Value (low P/E)—
Size29

Industry medians: 6-month return −14.4%, revenue growth +7.8%, net margin 0.5%, P/E 30.7×.

Short interest

Details →
Shares short29.0M+9.8% vs prior
Days to cover5.8Settled Oct 15
% of float21.0%
Short vol. 10d53.5%of daily volume

Closest peers by size in Miscellaneous Chemicals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ASPIASP Isotopes$1.91+5.52%−65.5%+327.6%−655.6%—$292.8M
OECOrion$5.87+6.73%−28.4%+7.4%0.4%—$331.8MCompare
FTKFlotek Industries$24.72−0.48%+51.4%+70.3%10.0%23.6$895.4MCompare
ARQArq$1.85+0.54%−19.9%+4.5%−2.5%—$80.8MCompare
FSIFlexible Solutions International$6.27+1.95%+1.1%−33.1%−25.1%—$80.1MCompare
WDFCWd-40 Co$233.00+5.23%+10.5%+8.1%8.2%37.9$3.12BCompare
CBTCabot$75.10+4.31%−8.9%+6.4%0.6%20.2$3.88BCompare
ESIElement Solutions$33.44−4.65%−24.4%+51.7%6.6%39.8$8.15BCompare

News about ASP Isotopes

All news →
ASP Isotopes Announces Agreements to Exchange Certain QLE Convertible Notes for ASPI Common StockGlobeNewswire Inc. · Jul 15, 2026NeutralNotice to Long-Term Shareholders of ASP Isotopes Inc. (NASDAQ: ASPI); Integer Holdings Corp. (NYSE: ITGR); Molina Healthcare, Inc. (NYSE: MOH); and Soleno Therapeutics, Inc. (NASDAQ: SLNO): Grabar Law Office Investigates Claims on Your BehalfGlobeNewswire Inc. · Mar 20, 2026▼ NegativeImportant Notice to Long-Term Shareholders of ASP Isotopes Inc. (NASDAQ: ASPI); Integer Holdings Corp. (NYSE: ITGR): Soleno Therapeutics, Inc. (NASDAQ: SLNO); and Unicycive Therapeutics, Inc. (NASDAQ: UNCY): Grabar Law Office is Investigating Claims on Your BehalfGlobeNewswire Inc. · Mar 18, 2026▼ NegativeNotice to Long-Term Shareholders of ASP Isotopes Inc. (NASDAQ: ASPI); Camping World Holdings, Inc. (NYSE: CWH); EOS Energy Enterprise, Inc. (NASDAQ: EOSE); and Soleno Therapeutics, Inc. (NASDAQ: SLNO): Grabar Law Office Investigates Claims on Your BehalfGlobeNewswire Inc. · Mar 14, 2026▼ Negative

Quick answers

What does ASP Isotopes do?
ASP Isotopes Inc is a materials company focused on producing and commercializing enriched isotopes for the nuclear medicine, healthcare, green energy, and quantum computing industries. Currently, the company has three operating segments: (i) nuclear fuels, (ii) specialist isotopes and related services, and (iii) construction services.
What is ASPI's market cap?
$292.82M, based on the Nov 4 close of $1.91.
Does ASP Isotopes pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ASPI is sold short?
29.0M shares, 21.0% of float, as of Oct 15, 2026.
What sector is ASPI in?
Materials, in the Miscellaneous Chemicals industry.

About ASP Isotopes

ASP Isotopes Inc is a materials company focused on producing and commercializing enriched isotopes for the nuclear medicine, healthcare, green energy, and quantum computing industries. Currently, the company has three operating segments: (i) nuclear fuels, (ii) specialist isotopes and related services, and (iii) construction services. Using proprietary technology-the Aerodynamic Separation Process (ASP)-the company enriches isotopes in South Africa, targeting high-value, low-volume markets to reduce reliance on foreign supply chains. Geographically, the company operates in South Africa, Hong Kong and United States generating key revenue from the Hong Kong region.

HQ: Dallas, TX271 employeesListed Nov 10, 2022aspisotopes.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