NAPCO Security Technologies (FRA:NS1) Cyclically Adjusted Book per Share: €2.78 (As of Mar. 2026)

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FRA:NS1 NAPCO Security Technologies Inc FRA:NS1
99 GF Score
Price €32.23
GF Value €36.69
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What is NAPCO Security Technologies Cyclically Adjusted Book per Share?

NAPCO Security Technologies FRA:NS1 -0.46% 99 Cyclically Adjusted Book per Share is €2.78 as of Mar. 2026. GuruFocus rates FRA:NS1 with a GF Score™ of 99/100 and a GF Value™ of €36.69.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

NAPCO Security Technologies's adjusted book value per share for the three months ended in Mar. 2026 was €4.304. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €2.78 for the trailing ten years ended in Mar. 2026.

During the past 12 months, NAPCO Security Technologies's average Cyclically Adjusted Book Growth Rate was 14.80% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 15.60% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 16.50% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 9.90% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of NAPCO Security Technologies was 17.20% per year. The lowest was 0.00% per year. And the median was 5.00% per year.

As of today (2026-08-20), NAPCO Security Technologies's current stock price is €32.23. NAPCO Security Technologies's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €2.78. NAPCO Security Technologies's Cyclically Adjusted PB Ratio of today is 11.59.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of NAPCO Security Technologies was 21.64. The lowest was 2.67. And the median was 10.70.


NAPCO Security Technologies  (FRA:NS1) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

NAPCO Security Technologies's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=32.23/2.78
=11.59

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of NAPCO Security Technologies was 21.64. The lowest was 2.67. And the median was 10.70.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


NAPCO Security Technologies Cyclically Adjusted Book per Share Related Terms


NAPCO Security Technologies Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for NAPCO Security Technologies's Cyclically Adjusted Book per Share 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.

NAPCO Security Technologies Cyclically Adjusted Book per Share Chart

NAPCO Security Technologies Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.40 1.83 2.12 2.42 2.54

NAPCO Security Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 2.65 2.54 2.60 2.70 2.78

FRA:NS1 vs EVLV, MG, CIX: Cyclically Adjusted Book per Share Comparison

For the Security & Protection Services subindustry, NAPCO Security Technologies's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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.


NAPCO Security Technologies Cyclically Adjusted PB Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, NAPCO Security Technologies's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where NAPCO Security Technologies's Cyclically Adjusted PB Ratio falls into.


FRA:NS1
99GF Score
NAPCO Security Technologies Inc FRA:NS1
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

NAPCO Security Technologies Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, NAPCO Security Technologies's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book= Book Value per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=4.304/330.2130*330.2130
=4.304

Current CPI (Mar. 2026) = 330.2130.

NAPCO Security Technologies Quarterly Data

Book Value per Share CPI Adj_Book
201606 1.214 241.018 1.663
201609 1.230 241.428 1.682
201612 1.332 241.432 1.822
201703 1.335 243.801 1.808
201706 1.343 244.955 1.810
201709 1.287 246.819 1.722
201712 1.323 246.524 1.772
201803 1.294 249.554 1.712
201806 1.450 251.989 1.900
201809 1.460 252.439 1.910
201812 1.531 251.233 2.012
201903 1.591 254.202 2.067
201906 1.704 256.143 2.197
201909 1.829 256.759 2.352
201912 1.907 256.974 2.451
202003 1.968 258.115 2.518
202006 1.852 257.797 2.372
202009 1.858 260.280 2.357
202012 1.873 260.474 2.374
202103 2.015 264.877 2.512
202106 2.089 271.696 2.539
202109 2.341 274.310 2.818
202112 2.494 278.802 2.954
202203 2.620 287.504 3.009
202206 2.930 296.311 3.265
202209 3.318 296.808 3.691
202212 3.327 296.797 3.702
202303 3.574 301.836 3.910
202306 3.519 305.109 3.809
202309 3.772 307.789 4.047
202312 3.939 306.746 4.240
202403 4.196 312.332 4.436
202406 4.507 314.175 4.737
202409 4.387 315.301 4.594
202412 4.571 315.605 4.783
202503 4.191 319.799 4.327
202506 4.100 322.561 4.197
202509 4.207 324.800 4.277
202512 4.425 324.054 4.509
202603 4.304 330.213 4.304

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of €2.78 mean?
NAPCO Security Technologies (FRA:NS1) has a Cyclically Adjusted Book per Share of €2.78 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on NAPCO Security Technologies and its competitors.
Is NAPCO Security Technologies' Cyclically Adjusted Book per Share too high?
NAPCO Security Technologies' current Cyclically Adjusted Book per Share is €2.78. Overall, NAPCO Security Technologies has a GF Score™ of 99/100, reflecting its overall financial health beyond just this single metric.
How does NAPCO Security Technologies' Cyclically Adjusted Book per Share compare to EVLV and MG?
NAPCO Security Technologies' Cyclically Adjusted Book per Share of €2.78 can be compared against companies in the Business Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Business Services company?
A good Cyclically Adjusted Book per Share depends on the Business Services industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on NAPCO Security Technologies and its competitors. NAPCO Security Technologies's current Cyclically Adjusted Book per Share is €2.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is NAPCO Security Technologies stock overvalued right now?
NAPCO Security Technologies (FRA:NS1) has a current Cyclically Adjusted Book per Share of €2.78. The stock's GF Value™ is €36.69, compared to a current price of €32.23 — trading 12.2% below its estimated fair value. The current Cyclically Adjusted Book per Share is €2.78. NAPCO Security Technologies' overall GF Score™ is 99/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For NAPCO Security Technologies (FRA:NS1), the current Cyclically Adjusted Book per Share is €2.78 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 NAPCO Security Technologies (FRA:NS1) Overvalued in 2026?

Based on GuruFocus' analysis, NAPCO Security Technologies stock appears to be undervalued. The current stock price of €32.23 is trading 12.2% below its estimated GF Value™ of €36.69.

Key valuation signals for FRA:NS1:

  • Cyclically Adjusted Book per Share: €2.78
  • GF Value™: €36.69 vs. price of €32.23 (12.2% below fair value)
  • GF Score™: 99/100

No single metric tells the full story. See the FRA:NS1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


NAPCO Security Technologies Business Description

Other Exchanges NSSC:USA
Address 333 Bayview Avenue, Amityville, NY, USA, 11701
NAPCO Security Technologies Inc manufactures security products, encompassing access control systems, door-locking products, intrusion and fire alarm systems and video surveillance products. Its products are used for various applications which includes alarm systems like automatic communicators, combination control panels/digital communicators and digital keypad systems, fire alarm control panel and area detectors mainly used for commercial, residential, institutional, industrial and governmental uses. Geographically, the company derives a majority of its revenue from the United States.
99GF Score

Get the complete analysis for FRA:NS1

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€32.23
Price
€36.69
GF Value