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NYSE American · BCHTTechnologyMeasuring Instruments

Birchtech Corp. (BCHT)

$1.12+0.07%
Close Nov 4, 2026 · split-adjusted
Oct 30, 2026$1.13▼ 52.92% in range
Feb 26, 2026Low $1.13 · High $2.40Oct 30, 2026
What changed · written from our data
As of Nov 4, 2026

Birchtech closed at $1.12 on Nov 4, up 0.07%, 53.3% below its highest close since Feb 26. Volume of 7.7K shares was 0.11× its 20-day average (below normal).

Split-adjusted performance: -24.8% over one month.

In the quarter ended Jun 30, 2026, revenue was $3.79M, with a net margin of -79.6%.

Short interest was 60.8K shares at the Oct 15 settlement, up 79.5% from the prior report (0.3% of float, 1.0 days to cover).

Market cap$29.5M26.3M shares
Revenue · quarter$3.8M—
Diluted EPS$-0.11—
P/E · TTM—
Net margin-79.6%Gross 27.2%
Dividend yieldNone
Range since Feb 261.08 – 2.40−53.3% from high
Volume7.7K0.11× 20-day avg
Volatility · 60d—Annualised
Short % of float0.3%1.0 days to cover
Net cash$11.8MCash $11.8M
Next earnings—Not scheduled
Split-adjusted performance
1W −11.0%1M −24.8%3M —6M —YTD —1Y —3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Measuring Instruments

Percentile among 9 companies (100 = best)

6-month momentum—
Revenue growth—
Net margin13
Value (low P/E)—
Size0

Industry medians: 6-month return −13.6%, revenue growth +10.1%, net margin −4.3%, P/E 54.6×.

Short interest

Details →
Shares short60.8K+79.5% vs prior
Days to cover1.0Settled Oct 15
% of float0.3%
Short vol. 10d23.0%of daily volume

Closest peers by size in Measuring Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
BCHTBirchtech$1.12+0.07%——−79.6%—$29.5M
GEOSGeospace Technologies$3.98−2.40%−57.3%−36.4%−61.4%—$51.5MCompare
OWLTOwlet$4.43+4.73%−14.8%+29.9%−4.3%—$129.5MCompare
QSIQuantum-Si Incorporated$1.25−3.85%+21.4%−41.8%−6841.3%—$273.6MCompare
MIRMirion Technologies$17.64−7.40%−13.5%+24.5%2.7%149.3$4.33BCompare
ONTOOnto Innovation$184.90−8.64%−37.1%+35.3%17.5%68.4$9.07BCompare
TRMBTrimble$54.78−16.51%−13.6%+11.0%−48.5%—$12.77BCompare
ROKRockwell Automation$442.05−0.97%−3.8%+7.9%17.6%40.8$49.09BCompare
TMOThermo Fisher Scientific$707.07+1.25%+49.5%+9.1%14.2%37.0$261.98BCompare

News about Birchtech

All news →
Birchtech Announces Results of Voting from Annual Meeting of StockholdersGlobeNewswire Inc. · Aug 7, 2026Neutral

Quick answers

What does Birchtech do?
Birchtech Corp is a provider of specialty activated carbon technologies, delivering solutions for air and water purification. It provides patented and proprietary Sorbent Enhancement Additive (SEA) technologies for mercury emissions capture to the coal-fired utility sector, and is developing water purification technologies with a specialization on forever chemicals such as PFAS and PFOS.
What is BCHT's market cap?
$29.48M, based on the Nov 4 close of $1.12.
Does Birchtech pay a dividend?
No regular cash dividend has been paid in the last year.
How much of BCHT is sold short?
60.8K shares, 0.3% of float, as of Oct 15, 2026.
What sector is BCHT in?
Technology, in the Measuring Instruments industry.

About Birchtech

Birchtech Corp is a provider of specialty activated carbon technologies, delivering solutions for air and water purification. It provides patented and proprietary Sorbent Enhancement Additive (SEA) technologies for mercury emissions capture to the coal-fired utility sector, and is developing water purification technologies with a specialization on forever chemicals such as PFAS and PFOS. Geographically, the company derives all of its revenue from the United States.

HQ: Corsicana, TX20 employeesListed Aug 29, 2003birchtech.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