NPKI (NPK International) Earnings Yield (Joel Greenblatt) %: 3.89% (As of Jun. 2026) — 17% Above Median

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NPKI NPK International Inc NPKI
64 GF Score
Price $14.05
GF Value $11.62
Valuation Modestly Overvalued
! 2 Warning Signs
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What is NPK International Earnings Yield (Joel Greenblatt) %?

NPK International NPKI +1.44% 64 Earnings Yield (Joel Greenblatt) % is 3.89% as of Jun. 2026, which is 17% above its 10-year median of 3.33. GuruFocus rates NPKI with a GF Score™ of 64/100 and a GF Value™ of $11.62 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 1,803 Construction companies, NPK International ranks worse than 59.62% on this metric.

NPK International's Enterprise Value for the quarter that ended in Jun. 2026 was $1,361.8 Mil. NPK International's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was $53.0 Mil. NPK International's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 3.89%.

The historical rank and industry rank for NPK International's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:

NPKI' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -44.83   Med: 3.33   Max: 8.87
Current: 4.4

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of NPK International was 8.87%. The lowest was -44.83%. And the median was 3.33%.

NPKI's Earnings Yield (Joel Greenblatt) % is ranked worse than
59.62% of 1803 companies
in the Construction industry
Industry Median: 6.35 vs NPKI: 4.40

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) %. NPK International's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 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.


NPK International  (NYSE:NPKI) 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.

Forward Rate of Return (Yacktman) % based on Don Yacktman's definition is a better measure of the expected rate of return for a stock.


NPK International Earnings Yield (Joel Greenblatt) % Related Terms


NPK International Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for NPK International'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.

NPK International Earnings Yield (Joel Greenblatt) % Chart

NPK International Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Earnings Yield (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -2.45 1.09 3.74 4.74 4.63

NPK International Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Earnings Yield (Joel Greenblatt) % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 5.32 4.81 4.63 3.93 3.89

NPKI vs ROCK, ARLO, LMB: Earnings Yield (Joel Greenblatt) % Comparison

For the Building Products & Equipment subindustry, NPK International'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.


NPK International Earnings Yield (Joel Greenblatt) % vs Construction Industry

For the Construction industry and Industrials sector, NPK International's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where NPK International's Earnings Yield (Joel Greenblatt) % falls into.


NPKI
64GF Score
NPK International Inc NPKI
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
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NPK International 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.

NPK Internationals Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=47.663/1029.05356
=4.63 %

NPK International's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $53.0 Mil.


What does a Earnings Yield (Joel Greenblatt) % of 3.89% mean?
NPK International (NPKI) has a Earnings Yield (Joel Greenblatt) % of 3.89% as of Jun. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on NPK International and its competitors. This is 17% above median its historical median of 3.33. According to the industry distribution chart, NPK International ranks #1075 out of 1803 companies in the Construction industry, placing it in the top 59.6%.
Is NPK International's Earnings Yield (Joel Greenblatt) % too high?
NPK International's current Earnings Yield (Joel Greenblatt) % of 3.89% is 17% above median its 10-year median of 3.33. The Construction industry median Earnings Yield (Joel Greenblatt) % is 6.35. NPK International's value of 3.89% is 38.7% below this industry median. Based on the distribution chart, NPK International ranks #1075 out of 1803 companies in the Construction industry, which is below the industry midpoint. Overall, NPK International has a GF Score™ of 64/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does NPK International's Earnings Yield (Joel Greenblatt) % compare to ROCK and ARLO?
According to the Construction industry distribution chart, NPK International ranks #1075 out of 1803 companies for Earnings Yield (Joel Greenblatt) %. This places NPK International in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 6.35. NPK International's value of 3.89% is 38.7% below this benchmark. While the company's 10-year median is 3.33 vs. the industry median of 6.35, NPK International has consistently been below the industry average. 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 Construction company?
The median Earnings Yield (Joel Greenblatt) % among Construction companies is 6.35, based on 1,803 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. NPK International's current Earnings Yield (Joel Greenblatt) % of 3.89% is 38.7% below 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 NPK International and its competitors. For the Construction industry, the median Earnings Yield (Joel Greenblatt) % is 6.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. NPK International's current Earnings Yield (Joel Greenblatt) % is 3.89%, which is 17% above median its own 10-year median of 3.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is NPK International stock overvalued right now?
Based on GuruFocus' analysis, NPK International (NPKI) is currently considered Modestly Overvalued. The stock's GF Value™ is $11.62, compared to a current price of $14.05 — trading 20.9% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 3.89%, which is 17% above median its 10-year median of 3.33 and 38.7% below the Construction industry median of 6.35. NPK International's overall GF Score™ is 64/100 with 2 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 NPK International (NPKI), the current Earnings Yield (Joel Greenblatt) % is 3.89% as of Jun. 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 NPK International (NPKI) Overvalued in 2026?

Based on GuruFocus' analysis, NPK International stock appears to be overvalued. The current stock price of $14.05 is trading 20.9% above its estimated GF Value™ of $11.62. GuruFocus considers NPK International to be Modestly Overvalued.

Key valuation signals for NPKI:

  • Earnings Yield (Joel Greenblatt) %: 3.89% (17% above median its 10-year median of 3.33)
  • GF Value™: $11.62 vs. price of $14.05 (20.9% above fair value)
  • GF Score™: 64/100 with 2 warning signs
  • Industry Position: 38.7% below the Construction median (#1075 of 1803)

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


NPK International Business Description

Other Exchanges NWP:Germany
Address 99320 Lakeside Boulevard, Suite 100, The Woodlands, TX, USA, 77381
NPK International Inc is a temporary worksite access solutions company that manufactures, sells, and rents recyclable composite matting products, along with a full suite of services, including planning, logistics, and site restoration. The company generates majority of revenue from the rental of recyclable composite matting systems, along with related site construction and services to customers in various markets including power transmission, oil and natural gas exploration and production, pipeline, renewable energy, petrochemical, construction and other industries within the United States and United Kingdom. It generates maximum revenue from United States.
64GF Score

Get the complete analysis for NPKI

Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$14.05
Price
$11.62
GF Value