Soluna Holdings, Inc. (SLNH) intrinsic value & 10-year financials

Soluna Holdings, Inc. (SLNH) has a Graham intrinsic value of $1.33 per share. At $0.67 on Oct 17, 2026, the stock trades 50% below that value. Over the last 10 fiscal years revenue grew 17.3% a year to $29.7M, with an average return on invested capital of -195.8%.

Graham intrinsic value
$1.33
Share price (Oct 17, 2026)
$0.67
Price vs Graham value
50% below
Market cap
$19.5M
Revenue (FY2025)
$29.7M
Revenue growth (10-yr CAGR)
17.3%
ROIC (10-yr avg)
-195.8%
Free cash flow (FY2025)
-$37.2M

SLNH 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $29.7M -$53.4M -$2.38 -$37.2M -113.3% -833.9%
FY2024 $38.0M -$63.3M -$12.15 -$14.2M -125.0% -419.6%
FY2023 $21.1M -$29.2M -$5.56 -$15.7M -96.1% -52.7%
FY2022 $28.5M -$98.7M -$34.88 -$69.8M -297.0% -117.9%
FY2021 $14.3M -$5.3M -$0.10 -$41.2M -31.2% -9.8%
FY2020 $9.6M $1.9M $0.04 $787.0K 15.1% 51.0%
FY2019 $6.6M $323.0K $0.01 $206.0K 3.9% 12.3%
FY2018 — — — — — —
FY2017 $7.1M $582.0K $0.01 $256.0K 8.3% —
FY2016 $7.1M -$359.0K -$0.01 $386.0K -5.1% —

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

Executive summary

Soluna Holdings, Inc is a consistent compounder, expanding top-line revenue at 17.3% annually over the past decade.

Soluna Holdings, Inc has historically struggled to out-earn its cost of capital, averaging just -18.5% ROIC.

Soluna Holdings, 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, Soluna Holdings, Inc is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $1.33 per share.

SLNH stock: frequently asked questions

What is the intrinsic value of Soluna Holdings, Inc. (SLNH) 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, SLNH's intrinsic value is about $1.33 per share.

Is SLNH stock undervalued?

At $0.67 (close on Oct 17, 2026), SLNH trades 50% below its Graham value of $1.33. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Soluna Holdings, Inc. grown?

Revenue went from $7.1M in fiscal 2016 to $29.7M in fiscal 2025, a compound annual growth rate of 17.3%. Net income was -$53.4M in fiscal 2025.

Does Soluna Holdings, Inc. generate free cash flow?

Soluna Holdings, Inc. generated -$37.2M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 4 of the last 9 reported years.

What is SLNH's return on invested capital?

Average ROIC over the last 10 fiscal years was -195.8%, and average return on equity was -150.8%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this SLNH data come from?

From Soluna Holdings, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 13, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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