CYAN (Cyanotech) Cyclically Adjusted PB Ratio: 0.17 (As of Aug. 01, 2026) — 78% Below Median

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CYAN Cyanotech Corp CYAN
35 GF Score
Price $0.53
GF Value $0.39
Valuation Significantly Overvalued
! 9 Warning Signs
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What is Cyanotech Cyclically Adjusted PB Ratio?

Cyanotech CYAN 35 Cyclically Adjusted PB Ratio is 0.17 as of Aug. 01, 2026, which is 78% below its 10-year median of 0.76. GuruFocus rates CYAN with a GF Score™ of 35/100 and a GF Value™ of $0.39 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,430 Consumer Packaged Goods companies, Cyanotech ranks better than 96.01% on this metric.

As of today (2026-08-01), Cyanotech's current share price is $0.5298. Cyanotech's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was $3.05. Cyanotech's Cyclically Adjusted PB Ratio for today is 0.17.

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

CYAN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.06   Med: 0.76   Max: 1.78
Current: 0.17

During the past years, Cyanotech's highest Cyclically Adjusted PB Ratio was 1.78. The lowest was 0.06. And the median was 0.76.

CYAN's Cyclically Adjusted PB Ratio is ranked better than
96.01% of 1430 companies
in the Consumer Packaged Goods industry
Industry Median: 1.25 vs CYAN: 0.17

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.

Cyanotech's adjusted book value per share data for the three months ended in Dec. 2025 was $1.061. 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 $3.05 for the trailing ten years ended in Dec. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


Cyanotech  (OTCPK:CYAN) 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.


Cyanotech Cyclically Adjusted PB Ratio Related Terms


Cyanotech Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Cyanotech'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.

Cyanotech Cyclically Adjusted PB Ratio Chart

Cyanotech Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.96 0.91 0.23 0.08 0.11

Cyanotech Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 0.11 0.11 0.10 0.10 0.15

CYAN vs GPOX, PAVS, TOFB: Cyclically Adjusted PB Ratio Comparison

For the Packaged Foods subindustry, Cyanotech'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.


Cyanotech Cyclically Adjusted PB Ratio vs Consumer Packaged Goods Industry

For the Consumer Packaged Goods industry and Consumer Defensive sector, Cyanotech's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


CYAN
35GF Score
Cyanotech Corp CYAN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Cyanotech 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.5298/3.05
=0.17

* 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.

Cyanotech's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 is calculated as:

For example, Cyanotech's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book=Book Value per Share/CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=1.061/324.0540*324.0540
=1.061

Current CPI (Dec. 2025) = 324.0540.

Cyanotech Quarterly Data

Book Value per Share CPI Adj_Book
201603 3.184 238.132 4.333
201606 3.022 241.018 4.063
201609 3.053 241.428 4.098
201612 2.992 241.432 4.016
201703 2.921 243.801 3.883
201706 3.015 244.955 3.989
201709 3.121 246.819 4.098
201712 3.317 246.524 4.360
201803 3.137 249.554 4.073
201806 2.911 251.989 3.744
201809 2.729 252.439 3.503
201812 2.785 251.233 3.592
201903 2.536 254.202 3.233
201906 2.564 256.143 3.244
201909 2.595 256.759 3.275
201912 2.623 256.974 3.308
202003 2.636 258.115 3.309
202006 2.652 257.797 3.334
202009 2.675 260.280 3.330
202012 2.814 260.474 3.501
202103 2.786 264.877 3.408
202106 2.873 271.696 3.427
202109 3.032 274.310 3.582
202112 3.099 278.802 3.602
202203 3.142 287.504 3.541
202206 3.068 296.311 3.355
202209 2.915 296.808 3.183
202212 2.827 296.797 3.087
202303 2.606 301.836 2.798
202306 2.391 305.109 2.539
202309 2.225 307.789 2.343
202312 2.009 306.746 2.122
202403 1.701 312.332 1.765
202406 1.534 314.175 1.582
202409 1.357 315.301 1.395
202412 1.328 315.605 1.364
202503 1.234 319.799 1.250
202506 1.106 322.561 1.111
202509 1.091 324.800 1.088
202512 1.061 324.054 1.061

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 0.17 mean?
Cyanotech (CYAN) has a Cyclically Adjusted PB Ratio of 0.17 as of Aug. 01, 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 Cyanotech and its competitors. This is 78% below median its historical median of 0.76. Over the past decade, Cyanotech's Cyclically Adjusted PB Ratio has ranged from 0.06 to 1.78. According to the industry distribution chart, Cyanotech ranks #57 out of 1430 companies in the Consumer Packaged Goods industry, placing it in the top 4%.
Is Cyanotech's Cyclically Adjusted PB Ratio too high?
Cyanotech's current Cyclically Adjusted PB Ratio of 0.17 is 78% below median its 10-year median of 0.76. Over the past 10 years, this metric has ranged from a low of 0.06 to a high of 1.78. The Consumer Packaged Goods industry median Cyclically Adjusted PB Ratio is 1.25. Cyanotech's value of 0.17 is 86.4% below this industry median. Based on the distribution chart, Cyanotech ranks #57 out of 1430 companies in the Consumer Packaged Goods industry, which is in the top quartile — a strong position relative to peers. Overall, Cyanotech has a GF Score™ of 35/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Cyanotech's Cyclically Adjusted PB Ratio compare to GPOX and PAVS?
According to the Consumer Packaged Goods industry distribution chart, Cyanotech ranks #57 out of 1430 companies for Cyclically Adjusted PB Ratio. This places Cyanotech in the top 4% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.25. Cyanotech's value of 0.17 is 86.4% below this benchmark. Historically, Cyanotech's own Cyclically Adjusted PB Ratio has ranged from 0.06 to 1.78 over the past decade. While the company's 10-year median is 0.76 vs. the industry median of 1.25, Cyanotech 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 Cyclically Adjusted PB Ratio for a Consumer Packaged Goods company?
The median Cyclically Adjusted PB Ratio among Consumer Packaged Goods companies is 1.25, based on 1,430 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. Cyanotech's current Cyclically Adjusted PB Ratio of 0.17 is 86.4% 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 Cyanotech and its competitors. For the Consumer Packaged Goods industry, the median Cyclically Adjusted PB Ratio is 1.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cyanotech's current Cyclically Adjusted PB Ratio is 0.17, which is 78% below median its own 10-year median of 0.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cyanotech stock overvalued right now?
Based on GuruFocus' analysis, Cyanotech (CYAN) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.39, compared to a current price of $0.53 — trading 35.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.17, which is 78% below median its 10-year median of 0.76 and 86.4% below the Consumer Packaged Goods industry median of 1.25. Cyanotech's overall GF Score™ is 35/100 with 9 warning signs to review. 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 Cyanotech (CYAN), the current Cyclically Adjusted PB Ratio is 0.17 as of Aug. 01, 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 Cyanotech (CYAN) Overvalued in 2026?

Based on GuruFocus' analysis, Cyanotech stock appears to be overvalued. The current stock price of $0.53 is trading 35.8% above its estimated GF Value™ of $0.39. GuruFocus considers Cyanotech to be Significantly Overvalued.

Key valuation signals for CYAN:

  • Cyclically Adjusted PB Ratio: 0.17 (78% below median its 10-year median of 0.76)
  • GF Value™: $0.39 vs. price of $0.53 (35.8% above fair value)
  • GF Score™: 35/100 with 9 warning signs
  • Industry Position: 86.4% below the Consumer Packaged Goods median (#57 of 1430)

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


Cyanotech Business Description

Address 73-4460 Queen Kaahumanu Highway, Suite 102, Kailua-Kona, HI, USA, 96740
Cyanotech Corp is engaged in the production of natural products derived from microalgae for the nutritional supplements market. The company's products include BioAstin Hawaiian Astaxanthin and Hawaiian Spirulina Pacifica is a dietary supplement used for extra energy, a strengthened immune system, cardiovascular benefits, and as a source of antioxidant carotenoids. BioAstin Hawaiian Astaxanthin is a dietary antioxidant shown to support and maintain the body's natural inflammatory response, enhance skin, and support eye and joint health. It derives maximum revenue from the Packaged product and geographically from the United States.
35GF Score

Get the complete analysis for CYAN

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

$0.53
Price
$0.39
GF Value