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NASDAQ · Pollution & Treatment Controls · USD

Fuel Tech, Inc. (FTEK) Stock Analysis

Fuel Tech, Inc. (FTEK) is a Pollution & Treatment Controls stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

FTEK

$1.37

−$0.01 (−0.72%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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FTEK Key Statistics

As of Oct 21, 2026
Trading
Open
$1.41
Previous Close
$1.38
Day's Range
1.36–1.41
52-Week Range
1.17–3.09
Volume
36.11K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
1.28
Valuation
Market Cap
$42.77M
P/E Ratio
unprofitable
PEG RatioThe P/E ratio divided by the expected earnings growth rate. It puts a high P/E in the context of how fast profits are growing.
2.33
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
1.57
EPS (ttm)Profit attributable to each share over the last twelve months.
−0.11
Financials (FY)
Revenue (FY)
$26.68M+6.14%
Net Income (FY)
−$2.32M
Profit marginThe share of revenue left as profit after all costs and taxes.
−12.75%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
31.22M
1-Year Return
−54.33%
Dividend and dates
Earnings Date
November 3, 2026
Avg Volume
172.88K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, FTEK closed at $1.37, −54.33% over 1 year.

Fuel Tech, Inc. (FTEK) has a market capitalization of $42.77M.

In fiscal 2025, FTEK reported revenue of $26.68M.

FTEK Stock Return by Calendar Year

Fuel Tech, Inc. (FTEK) 10-year return: what $10,000 became

1 year
$10,000 $4,567
−54.33%
5 years
$10,000 $5,905
−40.95%
10 years
$10,000 $10,224
+2.24%

If you had invested $10,000 in Fuel Tech, Inc. (FTEK) 10 years ago, at the close on October 21, 2016, it would have been worth $10,224 at the close on October 21, 2026: +2.24% in total, +0.22% a year. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−12.18%
2025+48.57%
2024+0.00%
2023−17.32%
2022−9.29%
2021−63.92%
2020+308.42%
2019−20.17%
2018+6.25%
2017−2.61%
2016 (partial year)−29.01%

As of October 21, 2026.

FTEK Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$26.68M−$2.32M−8.7%
2024$25.13M−$1.94M−7.7%
2023$27.08M−$1.54M−5.7%
2022$26.94M−$1.44M−5.4%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$26.68M$12.38M−$3.68M−$2.32M−8.7%
2024$25.13M$10.62M−$4.70M−$1.94M−7.7%
2023$27.08M$11.66M−$2.66M−$1.54M−5.7%
2022$26.94M$11.64M−$1.53M−$1.44M−5.4%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

FTEK Valuation vs Pollution & Treatment Controls Median

Median of 16 stocks
MetricFTEKPollution & Treatment Controls medianvs median
P/S ratio1.573.9761% below
Profit margin−12.75%−12.75%0.0 pts above

Medians across 16 Pollution & Treatment Controls stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 10 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Fuel Tech, Inc. (FTEK) carries a market capitalisation of $42.77M. The company sits in the Industrials sector, in the Pollution & Treatment Controls industry. The company reports 77 employees.

The most recent close on file for FTEK is $1.37, dated October 21, 2026. That is −$0.01 (−0.72%) against the previous close. The 52-week range on file runs from $1.17 to $3.09. The latest close sits 17.09% above that 52-week low.

Financial Health

Fiscal 2025 revenue came to $26.68M. That is +6.14% against the prior fiscal year, when revenue was $25.13M. The same year closed with a net loss of $2.32M. Profit margin runs at −12.75%. Trailing earnings per share are −0.11.

Across the 4 fiscal years on file, revenue moves from $26.94M in 2022 to $26.68M in 2025. Of those 4 years, 0 report positive net income.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published. The PEG ratio, which sets the P/E against expected earnings growth, reads 2.33. The price-to-sales ratio is 1.57. On price-to-sales that is 60.51% below the Pollution & Treatment Controls median of 3.97. The medians here are taken across 16 Pollution & Treatment Controls companies that report the metric.

The trailing one-year total return is −54.33%. Measured over 10 years, that is +0.22% a year compounded. Beta against the wider market is reported at 1.28. Annualized volatility over the trailing 10 years is 95.48%.

Growth & Income

No dividend is on file for FTEK.

The strongest complete calendar year on file is 2020 at +308.42%; the weakest is 2021 at −63.92%. Of the 9 complete calendar years on file, 3 finished higher. 2026 is still running; the total return is −12.18% year to date.

Peer Comparison

Fuel Tech, Inc. (FTEK) operates in the Pollution & Treatment Controls industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Fuel Tech, Inc. FTEK $42.77M —
Veralto Corporation VLTO $24.70B 25.5
Zurn Elkay Water Solutions Corporation ZWS $8.02B 30.1
CECO Environmental Corp. CECO $3.94B —

The Pollution & Treatment Controls industry average P/E ratio is 27.8x. Fuel Tech, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Fuel Tech, Inc.

Fuel Tech, Inc. engages in the development, commercialization, and application of technologies for air pollution control, process optimization, water treatment, and advanced engineering services to utility and industrial customers in the United States, rest of the Americas, Europe, South Africa, the Pacific Rim, and internationally. The Air Pollution Control Technology segment offers technologies to reduce nitrogen oxide emissions (NOx) in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources; NOxOUT selected non-catalytic reduction and selected catalytic reduction systems, including ammonia injection grid and graduated straightening grid systems; electrostatic precipitator processes and services; ULTRA technology; urea direct injection systems; and flue gas conditioning systems. Its FUEL CHEM Technology segment provides chemical injection programs to improve the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units for the control of slagging, fouling, corrosion, opacity, and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter, sulfur dioxide, and carbon dioxide through the addition of chemicals into the furnace using targeted in-furnace injection technology. This segment also offers its FUEL CHEM program for plants operating in the electric utility, industrial, pulp and paper, waste-to-energy, and university and district heating markets; and the owners of boilers, furnaces, and other combustion units for treating a wide variety of solid and liquid fuels, including coal, heavy oil, black liquor, biomass, and municipal waste. In addition, the company provides dissolved gas infusion systems, which utilize a proprietary channel injector and a patented saturator that infuses oxygen, carbon dioxide, or other gases into water; and visualization software. Fuel Tech, Inc. was incorporated in 1987 and is headquartered in Warrenville, Illinois.

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