National Fuel Gas Co. (NFG) intrinsic value & 10-year financials

National Fuel Gas Co. (NFG) has a Graham intrinsic value of $110.45 per share. At $79.92 on Oct 17, 2026, the stock trades 28% below that value. Over the last 10 fiscal years revenue grew 4.8% a year to $2.2B, with an average return on invested capital of 10.7%.

Graham intrinsic value
$110.45
Share price (Oct 17, 2026)
$79.92
Price vs Graham value
28% below
Market cap
$7.3B
Revenue (FY2025)
$2.2B
Revenue growth (10-yr CAGR)
4.8%
ROIC (10-yr avg)
10.7%
Free cash flow (FY2025)
$187.2M

NFG 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $2.2B $518.5M $5.68 $187.2M 36.7% 14.4%
FY2024 $1.7B $77.5M $0.84 $134.7M 12.3% 7.5%
FY2023 $2.3B $476.9M $5.17 $227.2M 33.5% 26.2%
FY2022 $3.1B $566.0M $6.15 $695.0K 26.6% 21.1%
FY2021 $1.7B $363.6M $3.97 $39.8M 36.7% 10.8%
FY2020 $1.5B -$123.8M -$1.41 $24.7M 1.9% 0.7%
FY2019 $1.7B $304.3M $3.51 -$94.5M 30.2% 9.9%
FY2018 $1.6B $391.5M $4.53 $31.3M 30.6% 13.2%
FY2017 $1.6B $283.5M $3.30 $234.2M 35.0% 10.1%
FY2016 $1.5B -$291.0M -$3.43 $7.4M -28.7% -6.6%

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

Executive summary

NATIONAL FUEL GAS CO has demonstrated mature, steady growth, with revenue compounding at 4.8% annually over the past decade.

NATIONAL FUEL GAS CO returns on capital have been average, hovering around 10.7% ROIC over the decade.

NATIONAL FUEL GAS CO 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, NATIONAL FUEL GAS CO is modeled at 7.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $110.45 per share.

NFG stock: frequently asked questions

What is the intrinsic value of National Fuel Gas Co. (NFG) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 7.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, NFG's intrinsic value is about $110.45 per share.

Is NFG stock undervalued?

At $79.92 (close on Oct 17, 2026), NFG trades 28% below its Graham value of $110.45. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has National Fuel Gas Co. grown?

Revenue went from $1.5B in fiscal 2016 to $2.2B in fiscal 2025, a compound annual growth rate of 4.8%. Net income was $518.5M in fiscal 2025.

Does National Fuel Gas Co. generate free cash flow?

National Fuel Gas Co. generated $187.2M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 9 of the last 10 reported years.

What is NFG's return on invested capital?

Average ROIC over the last 10 fiscal years was 10.7%, and average return on equity was -18.0%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this NFG data come from?

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

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