StockData
Birchtech Corp. logo

Birchtech Corp. (BCHT) stock

BCHTNYSEMeasuring & Controlling Devices, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 7/3044% below fair value
$1.17+0.07 (+6.36%)

Close on Nov 12, 2026Market cap $30.78MP/E –Yield –

Birchtech Corp. saw revenue fall 10.7% to $17.33M over the twelve months to Sep 30, 2026. Free cash flow was -$5.21M. At the latest close the market valued the company at $30.78M.

Revenue
$17.33M
-10.7% vs. a year earlier
Operating income
-$4.70M
TTM Q3 2026
Free cash flow
-$5.21M
TTM Q3 2026
EPS, diluted
-$0.21
TTM Q3 2026

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026

Valuation

Market cap
$30.78M
P/E ratio
–
Price to sales
1.78
Price to book
3.99
Dividend yield
–
Free cash flow yield
-16.91%

Fundamentals

Revenue
$17.33M
Net income
-$5.23M
EPS, diluted
-$0.21
Free cash flow
-$5.21M
Book value per share
$0.29
Diluted shares
26M

Trading

Previous close
$1.10
Open
$1.15
Day's range
$1.01 – $1.21
Volume
134,644
Average volume (20 days)
61,366
Beta (5 years)
0.62
52-week range
$1.02 – $4.80
RSI (14 days)
39.7
Volatility (1 year)
80.1%
Relative volume
0.41×
WACC
8.0%

Market cap history

Month-end market cap since 2012, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodBCHTS&P 500DifferenceBCHT per yearS&P 500 per year
1 month-16.4%-2.7%−13.7 pts
3 months-20.9%-1.7%−19.2 pts
Year to date-68.8%+11.9%−80.7 pts
1 year-68.1%+12.0%−80.1 pts
3 years-67.9%+78.2%−146.1 pts-31.6%+21.2%
5 years-72.1%+73.2%−145.4 pts-22.6%+11.6%
10 years-86.2%+309.6%−395.9 pts-18.0%+15.1%

Fifteen years at a glance

Fiscal years 2011 to 2025 and trailing twelve months, USD

Revenue

$17.33M-10.7% YoY

Gross profit

$5.23M-45.3% YoY

Operating income

-$4.70M

Net income

-$5.23M

EPS, diluted

-$0.21

Free cash flow

-$5.21M
Reported periodTrailing twelve months

Press releases

Releases Birchtech filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Birchtech

Measuring & Controlling Devices, NEC

Birchtech Corp. provides specialty activated carbon technologies focused on air and water purification. The company supplies proprietary and patented sorbent solutions, including its Sorbent Enhancement Additive process, to reduce mercury emissions from coal-fired power plants. In addition, it develops water purification technologies targeting per- and polyfluoroalkyl substances and other contaminants through thermal reactivation of spent granular activated carbon, testing, and consulting services. It also offers ion exchange resins designed for nuclear power facilities, coal-fired units, and wastewater systems. Key customers include operators of coal-fired electricity generating units and municipal drinking water utilities.

Company profile, executives and history

Birchtech stock: common questions

What is Birchtech's stock price?

BCHT closed at $1.17 on Nov 12, 2026, up 6.36% on the day. Over the past 52 weeks it traded between $1.02 and $4.80.

What is Birchtech's market cap?

Birchtech was worth $30.78M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.

What is BCHT's P/E ratio?

Birchtech lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.21), so it has no meaningful P/E ratio.

How much revenue does Birchtech make?

Birchtech reported revenue of $17.33M for the twelve months to Sep 30, 2026, down 10.7% from a year earlier.

Does Birchtech pay a dividend?

No. Birchtech has not paid a cash dividend over the last twelve months.

How has BCHT stock performed over the past year?

Including dividends, BCHT returned -68.1% over the past year, against +12.0% for the S&P 500.

How many BCHT shares are sold short?

0M shares were sold short at the latest FINRA report, 0.38% of the float, or 1.0 days of average trading volume.

Who are Birchtech's competitors?

Companies most similar to Birchtech by business, industry and size include CLIR, GEOS, DAIO, INIS, NEPH.

See a number that looks wrong?