Fuel TECH, Inc. (FTEK) intrinsic value & 10-year financials

Fuel TECH, Inc. (FTEK) has a Graham intrinsic value of $0.48 per share. At $1.40 on Oct 17, 2026, the stock trades 192% above that value. Over the last 10 fiscal years revenue shrank 7.8% a year to $26.7M, with an average return on invested capital of -18.3%.

Graham intrinsic value
$0.48
Share price (Oct 17, 2026)
$1.40
Price vs Graham value
192% above
Market cap
$43.3M
Revenue (FY2025)
$26.7M
Revenue growth (10-yr CAGR)
-7.8%
ROIC (10-yr avg)
-18.3%
Free cash flow (FY2025)
$2.3M

FTEK 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $26.7M -$2.3M -$0.08 $2.3M -13.8% -11.8%
FY2024 $25.1M -$1.9M -$0.06 -$3.8M -18.7% -15.5%
FY2023 $27.1M -$1.5M -$0.05 $278.0K -9.8% -11.0%
FY2022 $26.9M -$1.4M -$0.05 -$4.3M -5.7% -9.5%
FY2021 $24.3M $54.0K $0.00 $677.0K -6.1% -9.9%
FY2020 $22.6M -$4.3M -$0.17 -$3.0M -19.2% -29.5%
FY2019 $30.5M -$7.9M -$0.32 -$3.9M -27.0% -43.4%
FY2018 $56.5M -$28.0K $0.00 $4.4M 0.2% 0.2%
FY2017 $45.2M -$11.0M -$0.46 -$4.1M -15.6% -18.1%
FY2016 $55.2M -$17.4M -$0.74 -$3.7M -26.9% -34.2%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

FUEL TECH, INC. is facing top-line stagnation, with revenue contracting over the decade.

FUEL TECH, INC. has historically struggled to out-earn its cost of capital, averaging just -18.3% ROIC.

FUEL TECH, INC. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, FUEL TECH, INC. is modeled at -7.8% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $0.48 per share.

FTEK stock: frequently asked questions

What is the intrinsic value of Fuel TECH, Inc. (FTEK) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a -7.8% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, FTEK's intrinsic value is about $0.48 per share.

Is FTEK stock undervalued?

At $1.40 (close on Oct 17, 2026), FTEK trades 192% above its Graham value of $0.48. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Fuel TECH, Inc. grown?

Revenue went from $55.2M in fiscal 2016 to $26.7M in fiscal 2025, a compound annual growth rate of -7.8%. Net income was -$2.3M in fiscal 2025.

Does Fuel TECH, Inc. generate free cash flow?

Fuel TECH, Inc. generated $2.3M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 4 of the last 10 reported years.

What is FTEK's return on invested capital?

Average ROIC over the last 10 fiscal years was -18.3%, and average return on equity was -12.9%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this FTEK data come from?

From Fuel TECH, Inc.'s annual 10-K filings on SEC EDGAR. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

Similar industrial & commercial fans & blowers & air purifing equip stocks