Fuel Tech Inc FTEK Stock Analysis
- Nasdaq
- Stock
- Market closed · opens Monday 9:30 AM ET
$1.35 up $0.02, 1.50% at close Nov 6
Last close · Previous close $1.33
- Market cap
- $42.14MAt the Nov 6 close
- P/E ratio
- n/mLoss over last 12 months
- Diluted EPS
- −$0.13Last 12 months
- Dividend yield
- NoneLast 12 months
Price chart
$1.35down $0.32, 19.16%Past month
Use the left and right arrow keys to move along the chart.
Price data
Trading
- Previous close$1.33Nov 5
- Volume39.96KNov 6 session
Shares traded on all US exchanges in the last completed session. Live intraday volume covers IEX only, so it is left out.
- Avg. volume146.36KLast 21 sessions
The average daily shares traded over the last 21 trading sessions, about one calendar month.
- 52-week range: $1.17 to $2.35; now $1.35
The lowest and highest trades over the past 52 weeks, adjusted for splits. The marker shows the latest price.
Member SIPC.Low CommissionsLearn More (opens in a new tab)Sponsored. Affiliate link: I may earn a commission. The inclusion of Interactive Brokers’ (IBKR) name, logo or weblink is present pursuant to an advertising arrangement only. IBKR is not a contributor, reviewer, provider or sponsor of content published on this site, and is not responsible for the accuracy of any products or services discussed.
Performance
Past performance, measured to the Nov 6 close. Total return includes reinvested dividends.Price change only, without dividends. Compared with the S&P 500, using SPY.
FTEK beat the S&P 500 in 1 of 7 periods.
| Period | FTEK and S&P 500 | vs S&P 500 |
|---|---|---|
| Short term | ||
| 1M | FTEK: down 19.2% S&P 500: down 5.6% | FTEK trailed the S&P 500 by 13.6 percentage points Trailed |
| 3M | FTEK: down 1.5% S&P 500: down 4.1% | FTEK beat the S&P 500 by 2.6 percentage points Beat |
| YTD | FTEK: down 13.5% S&P 500: up 8.7% | FTEK trailed the S&P 500 by 22.2 percentage points Trailed |
| 1Y | FTEK: down 36.3% S&P 500: up 10.9% | FTEK trailed the S&P 500 by 47.2 percentage points Trailed |
| Long term | ||
| 3Y | FTEK: up 33.7% S&P 500: up 75.0% +10.2% vs +20.5% a year | FTEK trailed the S&P 500 by 41.3 percentage points Trailed |
| 5Y | FTEK: down 27.0% S&P 500: up 67.8% −6.1% vs +10.9% a year | FTEK trailed the S&P 500 by 94.8 percentage points Trailed |
| 10Y | FTEK: up 8.0% S&P 500: up 313.1% +0.8% vs +15.2% a year | FTEK trailed the S&P 500 by 305.1 percentage points Trailed |
$10,000 invested in FTEK 10 years ago (Nov 4, 2016) would be worth about $10,800 at the close on , with dividends reinvested. The same amount in the S&P 500 would be worth about $41,313.
FTEK beat the S&P 500 in 1 of 7 periods.
| Period | FTEK and S&P 500 | vs S&P 500 |
|---|---|---|
| Short term | ||
| 1M | FTEK: down 19.2% S&P 500: down 5.6% | FTEK trailed the S&P 500 by 13.6 percentage points Trailed |
| 3M | FTEK: down 1.5% S&P 500: down 4.3% | FTEK beat the S&P 500 by 2.8 percentage points Beat |
| YTD | FTEK: down 13.5% S&P 500: up 7.8% | FTEK trailed the S&P 500 by 21.3 percentage points Trailed |
| 1Y | FTEK: down 36.3% S&P 500: up 9.7% | FTEK trailed the S&P 500 by 46.0 percentage points Trailed |
| Long term | ||
| 3Y | FTEK: up 33.7% S&P 500: up 68.8% +10.2% vs +19.1% a year | FTEK trailed the S&P 500 by 35.1 percentage points Trailed |
| 5Y | FTEK: down 27.0% S&P 500: up 56.9% −6.1% vs +9.4% a year | FTEK trailed the S&P 500 by 83.9 percentage points Trailed |
| 10Y | FTEK: up 8.0% S&P 500: up 252.6% +0.8% vs +13.4% a year | FTEK trailed the S&P 500 by 244.6 percentage points Trailed |
$10,000 invested in FTEK 10 years ago (Nov 4, 2016) would be worth about $10,800 at the close on , not counting dividends. The same amount in the S&P 500 would be worth about $35,257.
All-time high
$37.93
Closing high on . Now 96.4% below that record.
Split-adjusted daily closes since Sep 7, 1993.
Stock splits
FTEK hasn’t split since its price history begins in 1993.
Valuation
The Nov 6 close compared with the last 12 months of reported results (the four quarters to Sep 30, 2026). Tap a metric to see how it’s calculated.
Price-to-earnings (P/E)
n/mDiluted EPS of −$0.13 over the last 12 months
A P/E ratio isn’t meaningful while earnings over the last 12 months are negative. How to read P/E
Other valuation measures
- 1.5×Last 12 months’ revenue
Market value divided by revenue over the last 12 months. Useful when earnings are small or negative.
P/S = Market cap ÷ Revenue (last 12 months)Price-to-sales ratio - 1.1×Book value as of Sep 30, 2026
Price relative to accounting equity (book value) per share on the Sep 30, 2026 balance sheet. Asset-light companies often trade far above book value.
P/B = Price ÷ Book value per sharePrice-to-book ratio - −14.06%Last 12 months’ free cash flow
Free cash flow over the last 12 months as a share of the company’s market value: the cash the business generated for each dollar of stock.
FCF yield = Free cash flow (last 12 months) ÷ Market capFree cash flow - $24.83MAt the Nov 6 close
What it would cost to buy the whole business: the market cap at the Nov 6 close, plus debt, minus cash and short-term investments from the Sep 30, 2026 balance sheet.
EV = Market cap + Debt − Cash and short-term investmentsEV/EBITDA explained
Build your own FTEK DCF in Excel. Value Fuel Tech with your own growth and margin assumptions.Browse DCF models Free DCF calculator
Financials
Reported results, not forecasts. From company filings via Tiingo; the latest report is Q3 FY26, the quarter ended Sep 30, 2026. “Last 12 months” means the four quarters from Oct 1, 2025 to Sep 30, 2026, and balance-sheet figures are as of Sep 30, 2026.
Revenue and net income
Last 12 months, with the change from the 12 months before
- Revenue
- $28.49Mup 15.3%
- Net income
- −$4.05M
- Diluted EPS
- −$0.13
Data table
| Period | Revenue | Net income | Diluted EPS |
|---|---|---|---|
| Q4 FY24 (Dec 31, 2024) | $5.28M | −$1.88M | −$0.06 |
| Q1 FY25 (Mar 31, 2025) | $6.38M | −$739.00K | −$0.02 |
| Q2 FY25 (Jun 30, 2025) | $5.56M | −$689.00K | −$0.02 |
| Q3 FY25 (Sep 30, 2025) | $7.49M | $303.00K | $0.01 |
| Q4 FY25 (Dec 31, 2025) | $7.25M | −$1.20M | −$0.04 |
| Q1 FY26 (Mar 31, 2026) | $6.08M | −$1.36M | −$0.04 |
| Q2 FY26 (Jun 30, 2026) | $6.49M | −$1.23M | −$0.04 |
| Q3 FY26 (Sep 30, 2026) | $8.68M | −$267.00K | −$0.01 |
| Period | Revenue | Net income | Diluted EPS |
|---|---|---|---|
| FY21 (Dec 31, 2021) | $24.26M | $54.00K | $0.00 |
| FY22 (Dec 31, 2022) | $26.94M | −$1.44M | −$0.05 |
| FY23 (Dec 31, 2023) | $27.08M | −$1.54M | −$0.05 |
| FY24 (Dec 31, 2024) | $25.13M | −$1.94M | −$0.06 |
| FY25 (Dec 31, 2025) | $26.68M | −$2.32M | −$0.08 |
Margins
- Gross 43.7%
- Operating −17.9%
- Net −14.2%
The percentages above the chart cover the last 12 months; the lines show each quarter. What margins tell you
Cash flow
- −$5.93MLast 12 months
Cash from operations minus capital spending: the cash left after the business maintains and grows its assets.
FCF = Operating cash flow − Capital spendingFree cash flow - Operating cash flow−$4.98MLast 12 months
- Capital spending$948.00KLast 12 months
- −20.8%Last 12 months
Free cash flow as a share of revenue, both over the last 12 months.
Shareholder returns
- $0.00Last 12 months
Cash spent repurchasing shares, net of shares issued. Buybacks shrink the share count, so each remaining share owns more of the company.
- Dividends paid$0.00Last 12 months
- Total returned$0.00Last 12 months
Balance sheet
- $27.78MAs of Sep 30, 2026
Cash plus short- and long-term marketable securities on the Sep 30, 2026 balance sheet.
- Total debt$522.00KAs of Sep 30, 2026
- Net cash$27.26MAs of Sep 30, 2026
- 5.02As of Sep 30, 2026
Current assets divided by current liabilities on the Sep 30, 2026 balance sheet. Above 1 means short-term assets cover the bills due within a year.
Current ratio = Current assets ÷ Current liabilitiesCurrent ratio - 0.01As of Sep 30, 2026
Total debt divided by shareholders’ equity on the Sep 30, 2026 balance sheet: a measure of financial leverage.
D/E = Total debt ÷ Shareholders’ equityDebt-to-equity ratio
Financial strength
- 2 of 9Last 12 months
vs the 12 beforeA 0–9 checklist from accounting professor Joseph Piotroski. Each test compares the last 12 months with the 12 months before and scores a point if it passes. 8–9 is strong; 0–2 is weak.
- ✗Net income was positive: not passed
- ✗Operating cash flow was positive: not passed
- ✗Return on assets improved: not passed
- ✗Operating cash flow exceeded net income: not passed
- ✓Long-term debt fell relative to assets: passed
- ✗Current ratio improved: not passed
- ✗Share count didn’t rise: not passed
- ✗Gross margin improved: not passed
- ✓Asset turnover (revenue ÷ assets) improved: passed
- −10.6%Last 12 months
Over the last 12 months, Fuel Tech lost money: its net loss was 10.6% of its shareholders’ equity (averaged over the last four quarter-ends). It describes the past year, not an expected return.
ROE = Net income (last 12 months) ÷ Average equityReturn on equity - −9.1%Last 12 months
Over the last 12 months, Fuel Tech’s net loss was 9.1% of its total assets (averaged over the last four quarter-ends).
ROA = Net income (last 12 months) ÷ Average total assets
About Fuel Tech Inc
Fuel Tech develops and commercializes state-of-the-art proprietary technologies for air pollution control, process optimization, water treatment, and advanced engineering services. These technologies enable customers to operate in a cost-effective and environmentally sustainable manner. Fuel Tech is a leader in nitrogen oxide (NO x ) reduction and particulate control technologies and its solutions have been installed on over 1,300 utility, industrial and municipal units worldwide. The Company’s FUEL CHEM ® technology improves the efficiency, reliability, fuel flexibility, boiler heat rate, and environmental status of combustion units by controlling slagging, fouling, corrosion and opacity. Water treatment technologies include DGI ® Dissolved Gas Infusion Systems which utilize a patented saturator and a patent-pending channel injector to deliver supersaturated oxygen solutions and other gas-water combinations to target process applications or environmental issues. This infusion process has a variety of applications in the water and wastewater industries, including remediation, aeration, biological treatment and wastewater odor management. Many of Fuel Tech’s products and services rely heavily on the Company’s exceptional Computational Fluid Dynamics modeling capabilities, which are enhanced by internally developed, high-end visualization software.
- Sector
- Industrials
- Industry
- Pollution & Treatment Controls
- Headquarters
- Illinois, USA
- SEC filings
- EDGAR (opens in a new tab)
- Exchange
- Nasdaq
- Asset type
- Common stock
- Price history since
FTEK news
Explore more stocks
Prices are from the last refresh. Open any stock for its live dashboard.
Popular stocks
FTEK stock FAQ
What is FTEK stock’s price today?
Fuel Tech (FTEK) traded at $1.35 at the close on , up $0.02 (1.50%) from the previous close of $1.33. Over the past 52 weeks it has traded between $1.17 and $2.35.
If you invested $1,000 in FTEK 10 years ago, how much would you have now?
With dividends reinvested, $1,000 invested in FTEK on would be worth about $1,080 at the close on , a total return of +8.0%. The same $1,000 would be worth $730 if invested five years ago, $637 if invested one year ago, $70 if invested 20 years ago, and $637 if invested 30 years ago. Past performance doesn’t predict future returns.
What is Fuel Tech’s market cap?
Fuel Tech’s market capitalization is about $42.1 million. That’s Tiingo’s daily market cap for , at that day’s closing price of $1.35 (how market cap works). Fuel Tech reported 31.22M shares outstanding at the end of its latest quarter ().
What is FTEK’s P/E ratio?
FTEK’s P/E ratio isn’t meaningful right now because its earnings over the four quarters to are negative (diluted EPS of −$0.13).
How much revenue does Fuel Tech make?
Fuel Tech reported $28.5 million of revenue over the four quarters to , up 15.3% from the twelve months before. In its latest quarter (Q3 FY26, ended ) revenue was $8.7 million, up 15.8% from a year earlier.
Is Fuel Tech profitable?
Not over the four quarters to . Fuel Tech reported a net loss of $4.1 million across those four quarters on $28.5 million of revenue.
What are FTEK’s earnings per share?
FTEK’s diluted earnings per share were −$0.13 over the four quarters to , compared with −$0.09 in the twelve months before. The latest quarter (Q3 FY26) brought −$0.01 per share, against $0.01 a year earlier (how EPS works).
Does FTEK pay a dividend?
Fuel Tech hasn’t paid a dividend in the last twelve months.
What is FTEK’s 52-week high and low?
Over the past 52 weeks FTEK has traded as low as $1.17 and as high as $2.35. At $1.35 at the close on , it is 42.6% below that high and 15.4% above the low.
What is FTEK’s all-time high?
FTEK’s highest closing price was $37.93 on , adjusted for stock splits. At $1.35 at the close on , it is 96.4% below that record.
Has FTEK stock ever split?
No. FTEK hasn’t split since its price history begins in 1993.
How has FTEK stock performed?
Including dividends and measured to the close on , FTEK has returned −13.5% so far this year and −36.3% over the past year, and −27.0% over five years (−6.1% a year). Over the same periods the S&P 500, measured by SPY, returned +8.7%, +10.9% and +67.8%. Past performance doesn’t predict future returns.
What sector and industry is Fuel Tech in?
Fuel Tech is in the Industrials sector and the Pollution & Treatment Controls industry, and is headquartered in Illinois, USA.
What exchange does FTEK trade on?
Fuel Tech trades on the Nasdaq under the ticker symbol FTEK. Its price history on this dashboard begins on .
Member SIPC.Low CommissionsLearn More (opens in a new tab)Sponsored. Affiliate link: I may earn a commission. The inclusion of Interactive Brokers’ (IBKR) name, logo or weblink is present pursuant to an advertising arrangement only. IBKR is not a contributor, reviewer, provider or sponsor of content published on this site, and is not responsible for the accuracy of any products or services discussed.
About this data. Data sourced by Tiingo (opens in a new tab). The live price is Tiingo’s real-time price, based on IEX trades and quotes; intraday charts show IEX trades, and volume figures are consolidated totals for completed sessions. Prices are split-adjusted, and total returns assume dividends are reinvested. Financials come from company filings and can lag new reports. Times are Eastern.
This page is for education, not investment advice. Past performance doesn't predict future returns. Logos provided by Logo.dev (opens in a new tab).
The Interactive Brokers word and logo are trademarks of Interactive Brokers LLC (or its subsidiaries) in the US and/or elsewhere. All rights reserved.