Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
Data StorageDTST +2.95%49 Earnings Yield (Joel Greenblatt) % is 222.22% as of Mar. 2026. GuruFocus rates DTST with a GF Score™ of 49/100 and a GF Value™ of $1.50 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,911 Software companies, Data Storage ranks worse than 34352.42% on this metric.
Data Storage's Enterprise Value for the quarter that ended in Mar. 2026 was $-1.75 Mil.
Data Storage's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 was $-3.91 Mil. Data Storage's Earnings Yield (Joel Greenblatt) for the quarter that ended in Mar. 2026 was 222.22%.
The historical rank and industry rank for Data Storage's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
DTST'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -1612.54 Med: -0.14 Max: 2031.71
Current: 113.64
During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Data Storage was 2031.71%. The lowest was -1612.54%. And the median was -0.14%.
DTST's Earnings Yield (Joel Greenblatt) % is not ranked
in the Software industry.
Industry Median: 2.05
vs DTST: 113.64
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. Data Storage's Forward Rate of Return (Yacktman) % for the quarter that ended in Mar. 2026 was 0.00%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.
Data Storage (NAS:DTST) Earnings Yield (Joel Greenblatt) % Explanation
Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.
Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.
Be Aware
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
Data Storage Earnings Yield (Joel Greenblatt) % Related Terms
Data Storage Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for Data Storage's Earnings Yield (Joel Greenblatt) % 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.
Data Storage Earnings Yield (Joel Greenblatt) % Chart
For the Information Technology Services subindustry, Data Storage's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (Joel Greenblatt) % 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.
Data Storage Earnings Yield (Joel Greenblatt) % vs Software Industry
For the Software industry and Technology sector, Data Storage's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Data Storage's Earnings Yield (Joel Greenblatt) % falls into.
Data Storage Earnings Yield (Joel Greenblatt) % Calculation
In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.
Data Storages Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
Data Storage's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-3.91 Mil.
What does a Earnings Yield (Joel Greenblatt) % of 222.22% mean?
Data Storage (DTST) has a Earnings Yield (Joel Greenblatt) % of 222.22% as of Mar. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Data Storage and its competitors. According to the industry distribution chart, Data Storage ranks #999999 out of 2911 companies in the Software industry.
Is Data Storage's Earnings Yield (Joel Greenblatt) % too high?
Data Storage's current Earnings Yield (Joel Greenblatt) % is 222.22%. The Software industry median Earnings Yield (Joel Greenblatt) % is 2.05. Data Storage's value of 222.22% is 10740% above this industry median. Based on the distribution chart, Data Storage ranks #999999 out of 2911 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, Data Storage has a GF Score™ of 49/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Data Storage's Earnings Yield (Joel Greenblatt) % compare to ARBB and GLE?
According to the Software industry distribution chart, Data Storage ranks #999999 out of 2911 companies for Earnings Yield (Joel Greenblatt) %. This places Data Storage in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 2.05. Data Storage's value of 222.22% is 10740% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Earnings Yield (Joel Greenblatt) % for a Software company?
The median Earnings Yield (Joel Greenblatt) % among Software companies is 2.05, based on 2,911 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, Earnings Yield (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Data Storage's current Earnings Yield (Joel Greenblatt) % of 222.22% is 10740% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Data Storage and its competitors. For the Software industry, the median Earnings Yield (Joel Greenblatt) % is 2.05 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Data Storage's current Earnings Yield (Joel Greenblatt) % is 222.22%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Data Storage stock overvalued right now?
Based on GuruFocus' analysis, Data Storage (DTST) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.50, compared to a current price of $3.15 — trading 110% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 222.22% and 10740% above the Software industry median of 2.05. Data Storage's overall GF Score™ is 49/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For Data Storage (DTST), the current Earnings Yield (Joel Greenblatt) % is 222.22% as of Mar. 2026. 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 Data Storage (DTST) Overvalued in 2026?
Based on GuruFocus' analysis, Data Storage stock appears to be overvalued.
The current stock price of $3.15 is trading 110% above its estimated GF Value™ of $1.50.
GuruFocus considers Data Storage to be Significantly Overvalued.
Key valuation signals for DTST:
Earnings Yield (Joel Greenblatt) %: 222.22%
GF Value™: $1.50 vs. price of $3.15 (110% above fair value)
Industry Position: 10740% above the Software median (#999999 of 2911)
No single metric tells the full story. See the DTST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Data Storage Corporation engages in providing cybersecurity, compliance and cloud computing solutions. The company's segment includes Nexxis Inc and corporate segment. It generates maximum revenue from the Nexxis Corporation segment. The company's solutions include infrastructure, disaster recovery, email archival, compliance, electronic vaulting, virtualized recovery, telecom recovery services, and continuous data protection.
49GF Score
Get the complete analysis for DTST
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
DTST has been successfully added to your 
