Dianomi (LSE:DNM) ROE % Adjusted to Book Value: -13.94% (As of Dec. 2025)

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

LSE:DNM Dianomi PLC LSE:DNM
53 GF Score
Price £0.22
GF Value £0.45
Valuation Significantly Undervalued
! 3 Warning Signs
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What is Dianomi ROE % Adjusted to Book Value?

Dianomi LSE:DNM 53 ROE % Adjusted to Book Value is -13.94% as of Dec. 2025. GuruFocus rates LSE:DNM with a GF Score™ of 53/100 and a GF Value™ of £0.45 (Significantly Undervalued). The stock has 3 warning signs investors should review.

Dianomi's ROE % for the quarter that ended in Dec. 2025 was -10.04%. Dianomi's PB Ratio for the quarter that ended in Dec. 2025 was 0.72. Dianomi's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was -13.94%.

Dianomi ROE % Adjusted to Book Value Related Terms

Dianomi ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Dianomi's ROE % Adjusted to Book Value can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Dianomi ROE % Adjusted to Book Value Chart

Dianomi Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial -0.59 1.89 -18.24 3.40 -20.25

Dianomi Semi-Annual Data
Dec18 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -8.31 -0.95 7.74 -17.61 -13.94

LSE:DNM vs APP, OMC, TTD: ROE % Adjusted to Book Value Comparison

For the Advertising Agencies subindustry, Dianomi's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Dianomi ROE % Adjusted to Book Value vs Media - Diversified Industry

For the Media - Diversified industry and Communication Services sector, Dianomi's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Dianomi's ROE % Adjusted to Book Value falls into.


LSE:DNM
53GF Score
Dianomi PLC LSE:DNM
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Dianomi ROE % Adjusted to Book Value Calculation

Dianomi's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-14.58% / 0.72
=-20.25%

Dianomi's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-10.04% / 0.72
=-13.94%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a ROE % Adjusted to Book Value of -13.94% mean?
Dianomi (LSE:DNM) has a ROE % Adjusted to Book Value of -13.94% as of Dec. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Dianomi and its competitors.
Is Dianomi's ROE % Adjusted to Book Value too high?
Dianomi's current ROE % Adjusted to Book Value is -13.94%. Overall, Dianomi has a GF Score™ of 53/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Dianomi's ROE % Adjusted to Book Value compare to APP and OMC?
Dianomi's ROE % Adjusted to Book Value of -13.94% can be compared against companies in the Media - Diversified industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Media - Diversified company?
A good ROE % Adjusted to Book Value depends on the Media - Diversified industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Dianomi and its competitors. Dianomi's current ROE % Adjusted to Book Value is -13.94%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Dianomi stock overvalued right now?
Based on GuruFocus' analysis, Dianomi (LSE:DNM) is currently considered Significantly Undervalued. The stock's GF Value™ is £0.45, compared to a current price of £0.22 — trading 52.2% below its estimated fair value. The current ROE % Adjusted to Book Value is -13.94%. Dianomi's overall GF Score™ is 53/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Dianomi (LSE:DNM), the current ROE % Adjusted to Book Value is -13.94% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Dianomi (LSE:DNM) Overvalued in 2026?

Based on GuruFocus' analysis, Dianomi stock appears to be undervalued. The current stock price of £0.22 is trading 52.2% below its estimated GF Value™ of £0.45. GuruFocus considers Dianomi to be Significantly Undervalued.

Key valuation signals for LSE:DNM:

  • ROE % Adjusted to Book Value: -13.94%
  • GF Value™: £0.45 vs. price of £0.22 (52.2% below fair value)
  • GF Score™: 53/100 with 3 warning signs

No single metric tells the full story. See the LSE:DNM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Dianomi Business Description

Other Exchanges 3NJ:Germany
Address 84 Eccleston Square, Thomas House, London, GBR, SW1V 1PX
Dianomi PLC is engaged in the delivery of premium native advertising for the financial services, technology, corporate and lifestyle sectors by providing the technology behind Sponsored Content ad units on hundreds of premium websites. It provides advertisers, with access to an international audience through its partnerships with publishers of business and finance content, as well as premium publishers of Lifestyle content. Advertising revenue is generated on a per-click basis, or a per view basis (with video ads) when a reader clicks an advert on a publisher's website. It operates in a single segment.
53GF Score

Get the complete analysis for LSE:DNM

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£0.22
Price
£0.45
GF Value