QBAK (Qualstar) Cyclically Adjusted PB Ratio: 0.39 (As of Jul. 18, 2026)

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QBAK Qualstar Corp QBAK
12 GF Score
Price $3.10
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What is Qualstar Cyclically Adjusted PB Ratio?

Qualstar QBAK 12 Cyclically Adjusted PB Ratio is 0.39 as of Jul. 18, 2026. GuruFocus rates QBAK with a GF Score™ of 12/100.

As of today (2026-07-18), Qualstar's current share price is $3.10. Qualstar's Cyclically Adjusted Book per Share for the quarter that ended in Sep. 2023 was $7.99. Qualstar's Cyclically Adjusted PB Ratio for today is 0.39.

The historical rank and industry rank for Qualstar's Cyclically Adjusted PB Ratio or its related term are showing as below:

QBAK's Cyclically Adjusted PB Ratio is not ranked *
in the Industrial Products industry.
Industry Median: 2.22
* Ranked among companies with meaningful Cyclically Adjusted PB Ratio only.

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.

Qualstar's adjusted book value per share data for the three months ended in Sep. 2023 was $1.074. 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 $7.99 for the trailing ten years ended in Sep. 2023.

Shiller PE for Stocks: The True Measure of Stock Valuation


Qualstar  (OTCPK:QBAK) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Qualstar Cyclically Adjusted PB Ratio Related Terms


Qualstar Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Qualstar's Cyclically Adjusted PB Ratio 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.

Qualstar Cyclically Adjusted PB Ratio Chart

Qualstar Annual Data
Trend Jun10 Jun11 Jun12 Jun13 Jun14 Jun15 Dec16 Dec17 Dec18 Dec19
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.44 0.23 0.77 0.58 0.71

Qualstar Quarterly Data
Dec15 Mar16 Jun16 Sep16 Dec16 Mar17 Jun17 Sep17 Dec17 Mar18 Jun18 Sep18 Dec18 Mar19 Jun19 Sep19 Dec19 Mar20 Sep22 Sep23
Cyclically Adjusted PB Ratio 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 0.73 0.71 0.37 0.00 0.44

QBAK vs POLA, OZSC, XPON: Cyclically Adjusted PB Ratio Comparison

For the Electrical Equipment & Parts subindustry, Qualstar'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.


Qualstar Cyclically Adjusted PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Qualstar's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


QBAK
12GF Score
Qualstar Corp QBAK
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Qualstar Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Qualstar's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.10/7.99
=0.39

* 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.

Qualstar's Cyclically Adjusted Book per Share for the quarter that ended in Sep. 2023 is calculated as:

For example, Qualstar's adjusted Book Value per Share data for the three months ended in Sep. 2023 was:

Adj_Book=Book Value per Share/CPI of Sep. 2023 (Change)*Current CPI (Sep. 2023)
=1.074/307.7890*307.7890
=1.074

Current CPI (Sep. 2023) = 307.7890.

Qualstar Quarterly Data

Book Value per Share CPI Adj_Book
201012 4.852 219.179 6.814
201103 4.766 223.467 6.564
201106 4.763 225.722 6.495
201109 4.769 226.889 6.469
201112 4.606 225.672 6.282
201203 4.521 229.392 6.066
201206 4.089 229.478 5.484
201209 3.775 231.407 5.021
201212 3.504 229.601 4.697
201303 2.969 232.773 3.926
201306 2.407 233.504 3.173
201309 1.996 234.149 2.624
201312 1.953 233.049 2.579
201403 1.598 236.293 2.082
201406 1.489 238.343 1.923
201409 1.443 238.031 1.866
201412 1.405 234.812 1.842
201503 1.329 236.119 1.732
201506 1.291 238.638 1.665
201509 1.055 237.945 1.365
201512 0.987 236.525 1.284
201603 0.920 238.132 1.189
201606 0.865 241.018 1.105
201609 0.856 241.428 1.091
201612 0.790 241.432 1.007
201703 0.799 243.801 1.009
201706 0.809 244.955 1.017
201709 0.852 246.819 1.062
201712 0.962 246.524 1.201
201803 1.061 249.554 1.309
201806 1.139 251.989 1.391
201809 1.205 252.439 1.469
201812 1.203 251.233 1.474
201903 1.207 254.202 1.461
201906 1.194 256.143 1.435
201909 1.196 256.759 1.434
201912 1.168 256.974 1.399
202003 1.141 258.115 1.361
202209 0.000 296.808 0.000
202309 1.074 307.789 1.074

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

What does a Cyclically Adjusted PB Ratio of 0.39 mean?
Qualstar (QBAK) has a Cyclically Adjusted PB Ratio of 0.39 as of Jul. 18, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Qualstar and its competitors.
Is Qualstar's Cyclically Adjusted PB Ratio too high?
Qualstar's current Cyclically Adjusted PB Ratio is 0.39. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.22. Qualstar's value of 0.39 is 82.4% below this industry median. Overall, Qualstar has a GF Score™ of 12/100, reflecting its overall financial health beyond just this single metric.
How does Qualstar's Cyclically Adjusted PB Ratio compare to POLA and OZSC?
Qualstar's Cyclically Adjusted PB Ratio of 0.39 can be compared against companies in the Industrial Products industry. The industry median Cyclically Adjusted PB Ratio is 2.22. Qualstar's value of 0.39 is 82.4% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.22, based on 2,290 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Qualstar's current Cyclically Adjusted PB Ratio of 0.39 is 82.4% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Qualstar and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Qualstar's current Cyclically Adjusted PB Ratio is 0.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Qualstar stock overvalued right now?
Qualstar (QBAK) has a current Cyclically Adjusted PB Ratio of 0.39. The current Cyclically Adjusted PB Ratio is 0.39 and 82.4% below the Industrial Products industry median of 2.22. Qualstar's overall GF Score™ is 12/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Qualstar (QBAK), the current Cyclically Adjusted PB Ratio is 0.39 as of Jul. 18, 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.

Qualstar Business Description

Address 1267 Flynn Road, Suite 105, Camarillo, CA, USA, 93012
Qualstar Corp is a U.S.-based provider of data storage systems marketed under the Qualstar brand and power solutions marketed under the N2Power brand. The company operates through the Data Storage segment, which generates the majority of its revenue. It manufactures automated magnetic tape libraries to store, retrieve, and manage electronic data for archive, backup, and recovery, and provides technical customer support services. The Power Supplies segment designs and markets high-efficiency switching power supplies for electronic equipment. The company utilizes contract manufacturers in Asia and sells its products globally through authorized resellers and directly to OEMs. It operates in North America, Europe, Asia Pacific, and others, with the majority of its revenue from North America.
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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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