Butler National Corp. (BUKS) intrinsic value & 10-year financials

Butler National Corp. (BUKS) has a Graham intrinsic value of $6.31 per share. At $4.88 on Oct 17, 2026, the stock trades 23% below that value. Over the last 10 fiscal years revenue grew 7.2% a year to $84.0M, with an average return on invested capital of 11.2%.

Graham intrinsic value
$6.31
Share price (Oct 17, 2026)
$4.88
Price vs Graham value
23% below
Market cap
$331.0M
Revenue (FY2025)
$84.0M
Revenue growth (10-yr CAGR)
7.2%
ROIC (10-yr avg)
11.2%
Free cash flow (FY2025)
$10.1M

BUKS 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $84.0M $12.6M $0.19 $10.1M 20.0% 16.1%
FY2024 $78.4M $12.5M $0.18 -$1.2M 16.9% 13.2%
FY2023 $75.2M $4.5M $0.06 $14.4M 11.5% 7.9%
FY2022 $73.5M $10.4M $0.14 $1.5M 22.0% 17.3%
FY2021 $61.5M $1.4M $0.02 $6.5M 9.6% 7.7%
FY2020 $65.9M $4.2M $0.06 $6.9M 12.6% 14.3%
FY2019 $58.7M $3.9M $0.06 $4.6M 9.0% 17.4%
FY2018 $48.3M $341.0K $0.01 $4.0M 4.4% 5.0%
FY2017 $50.6M $1.5M $0.02 $2.8M 6.9% 11.0%
FY2016 $44.8M $24.0K $0.00 -$340.0K 1.4% 1.6%

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

Executive summary

BUTLER NATIONAL CORP has demonstrated mature, steady growth, with revenue compounding at 7.2% annually over the past decade.

BUTLER NATIONAL CORP returns on capital have been average, hovering around 11.1% ROIC over the decade.

Over the decade, BUTLER NATIONAL CORP shows that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, BUTLER NATIONAL CORP is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $6.31 per share.

BUKS stock: frequently asked questions

What is the intrinsic value of Butler National Corp. (BUKS) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, BUKS's intrinsic value is about $6.31 per share.

Is BUKS stock undervalued?

At $4.88 (close on Oct 17, 2026), BUKS trades 23% below its Graham value of $6.31. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Butler National Corp. grown?

Revenue went from $44.8M in fiscal 2016 to $84.0M in fiscal 2025, a compound annual growth rate of 7.2%. Net income was $12.6M in fiscal 2025.

Does Butler National Corp. generate free cash flow?

Butler National Corp. generated $10.1M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 8 of the last 10 reported years.

What is BUKS's return on invested capital?

Average ROIC over the last 10 fiscal years was 11.2%, and average return on equity was 12.4%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this BUKS data come from?

From Butler National Corp.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 8, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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