Asia Optical Co (TPE:3019) Cyclically Adjusted PB Ratio: 2.56 (As of Aug. 06, 2026) — 47% Above Median

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TPE:3019 Asia Optical Co Inc TPE:3019
91 GF Score
Price NT$131.50
GF Value NT$146.77
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Asia Optical Co Cyclically Adjusted PB Ratio?

Asia Optical Co TPE:3019 -1.87% 91 Cyclically Adjusted PB Ratio is 2.56 as of Aug. 06, 2026, which is 47% above its 10-year median of 1.74. GuruFocus rates TPE:3019 with a GF Score™ of 91/100 and a GF Value™ of NT$146.77 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,968 Hardware companies, Asia Optical Co ranks worse than 59.81% on this metric.

As of today (2026-08-06), Asia Optical Co's current share price is NT$131.50. Asia Optical Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$51.41. Asia Optical Co's Cyclically Adjusted PB Ratio for today is 2.56.

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

TPE:3019' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.16   Med: 1.74   Max: 4.11
Current: 2.58

During the past years, Asia Optical Co's highest Cyclically Adjusted PB Ratio was 4.11. The lowest was 1.16. And the median was 1.74.

TPE:3019's Cyclically Adjusted PB Ratio is ranked worse than
59.81% of 1968 companies
in the Hardware industry
Industry Median: 2 vs TPE:3019: 2.58

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.

Asia Optical Co's adjusted book value per share data for the three months ended in Mar. 2026 was NT$51.141. 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 NT$51.41 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Asia Optical Co  (TPE:3019) 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.


Asia Optical Co Cyclically Adjusted PB Ratio Related Terms


Asia Optical Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Asia Optical Co'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.

Asia Optical Co Cyclically Adjusted PB Ratio Chart

Asia Optical Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.04 1.26 1.45 3.80 2.75

Asia Optical Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 2.73 2.71 3.13 2.75 2.35

TPE:3019 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Asia Optical Co'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.


Asia Optical Co Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Asia Optical Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TPE:3019
91GF Score
Asia Optical Co Inc TPE:3019
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Asia Optical Co 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.

Asia Optical Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=131.50/51.41
=2.56

* 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.

Asia Optical Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Asia Optical Co'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)
=51.141/330.2130*330.2130
=51.141

Current CPI (Mar. 2026) = 330.2130.

Asia Optical Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 39.698 241.018 54.389
201609 39.142 241.428 53.536
201612 39.755 241.432 54.374
201703 37.894 243.801 51.325
201706 38.027 244.955 51.263
201709 39.173 246.819 52.409
201712 39.016 246.524 52.261
201803 38.974 249.554 51.571
201806 39.612 251.989 51.909
201809 40.827 252.439 53.405
201812 42.031 251.233 55.244
201903 42.728 254.202 55.504
201906 41.926 256.143 54.050
201909 42.951 256.759 55.238
201912 41.798 256.974 53.711
202003 41.563 258.115 53.173
202006 39.329 257.797 50.377
202009 39.704 260.280 50.372
202012 39.839 260.474 50.505
202103 40.863 264.877 50.942
202106 41.487 271.696 50.422
202109 41.729 274.310 50.233
202112 43.227 278.802 51.198
202203 43.685 287.504 50.174
202206 41.608 296.311 46.369
202209 45.155 296.808 50.237
202212 44.126 296.797 49.094
202303 42.443 301.836 46.433
202306 43.661 305.109 47.253
202309 46.274 307.789 49.645
202312 44.967 306.746 48.407
202403 46.036 312.332 48.672
202406 48.278 314.175 50.742
202409 49.723 315.301 52.075
202412 52.544 315.605 54.976
202503 50.084 319.799 51.715
202506 45.897 322.561 46.986
202509 50.031 324.800 50.865
202512 53.263 324.054 54.275
202603 51.141 330.213 51.141

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 2.56 mean?
Asia Optical Co (TPE:3019) has a Cyclically Adjusted PB Ratio of 2.56 as of Aug. 06, 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 Asia Optical Co and its competitors. This is 47% above median its historical median of 1.74. Over the past decade, Asia Optical Co's Cyclically Adjusted PB Ratio has ranged from 1.16 to 4.11. According to the industry distribution chart, Asia Optical Co ranks #1177 out of 1968 companies in the Hardware industry, placing it in the top 59.8%.
Is Asia Optical Co's Cyclically Adjusted PB Ratio too high?
Asia Optical Co's current Cyclically Adjusted PB Ratio of 2.56 is 47% above median its 10-year median of 1.74. Over the past 10 years, this metric has ranged from a low of 1.16 to a high of 4.11. The Hardware industry median Cyclically Adjusted PB Ratio is 2.00. Asia Optical Co's value of 2.56 is 28% above this industry median. Based on the distribution chart, Asia Optical Co ranks #1177 out of 1968 companies in the Hardware industry, which is below the industry midpoint. Overall, Asia Optical Co has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Asia Optical Co's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Asia Optical Co ranks #1177 out of 1968 companies for Cyclically Adjusted PB Ratio. This places Asia Optical Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.00. Asia Optical Co's value of 2.56 is 28% above this benchmark. Historically, Asia Optical Co's own Cyclically Adjusted PB Ratio has ranged from 1.16 to 4.11 over the past decade. While the company's 10-year median is 1.74 vs. the industry median of 2.00, Asia Optical Co has consistently been above 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.00, based on 1,968 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. Asia Optical Co's current Cyclically Adjusted PB Ratio of 2.56 is 28% 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 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 Asia Optical Co and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Asia Optical Co's current Cyclically Adjusted PB Ratio is 2.56, which is 47% above median its own 10-year median of 1.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Asia Optical Co stock overvalued right now?
Based on GuruFocus' analysis, Asia Optical Co (TPE:3019) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$146.77, compared to a current price of NT$131.50 — trading 10.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.56, which is 47% above median its 10-year median of 1.74 and 28% above the Hardware industry median of 2.00. Asia Optical Co's overall GF Score™ is 91/100 with 2 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 Asia Optical Co (TPE:3019), the current Cyclically Adjusted PB Ratio is 2.56 as of Aug. 06, 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 Asia Optical Co (TPE:3019) Overvalued in 2026?

Based on GuruFocus' analysis, Asia Optical Co stock appears to be undervalued. The current stock price of NT$131.50 is trading 10.4% below its estimated GF Value™ of NT$146.77. GuruFocus considers Asia Optical Co to be Modestly Undervalued.

Key valuation signals for TPE:3019:

  • Cyclically Adjusted PB Ratio: 2.56 (47% above median its 10-year median of 1.74)
  • GF Value™: NT$146.77 vs. price of NT$131.50 (10.4% below fair value)
  • GF Score™: 91/100 with 2 warning signs
  • Industry Position: 28% above the Hardware median (#1177 of 1968)

No single metric tells the full story. See the TPE:3019 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Asia Optical Co Business Description

Address No. 22-3, South 2nd Road, Tanzi District, Taichung, TWN, 427058
Asia Optical Co Inc is engaged in the manufacturing and sale of cameras, rangefinders, riflescopes, photocopier lens, scanner lens and optical components. The companies reportable segments included optical components, contact image sensor modules, optronics components, optronics products and digital camera. The majority of the revenue is generated from optical components. The company operates in two principal geographical areas Asia and America.
91GF Score

Get the complete analysis for TPE:3019

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

NT$131.50
Price
NT$146.77
GF Value