Yonyu Plastics Co (TPE:1323) Cyclically Adjusted PB Ratio: 0.70 (As of Aug. 06, 2026) — 49% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TPE:1323 Yonyu Plastics Co Ltd TPE:1323
68 GF Score
Price NT$19.75
GF Value NT$17.29
Valuation Modestly Overvalued
! 5 Warning Signs
View Full Analysis

What is Yonyu Plastics Co Cyclically Adjusted PB Ratio?

Yonyu Plastics Co TPE:1323 68 Cyclically Adjusted PB Ratio is 0.70 as of Aug. 06, 2026, which is 49% below its 10-year median of 1.37. GuruFocus rates TPE:1323 with a GF Score™ of 68/100 and a GF Value™ of NT$17.29 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 312 Packaging & Containers companies, Yonyu Plastics Co ranks better than 66.03% on this metric.

As of today (2026-08-06), Yonyu Plastics Co's current share price is NT$19.75. Yonyu Plastics Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$28.12. Yonyu Plastics Co's Cyclically Adjusted PB Ratio for today is 0.70.

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

TPE:1323' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.67   Med: 1.37   Max: 1.85
Current: 0.7

During the past years, Yonyu Plastics Co's highest Cyclically Adjusted PB Ratio was 1.85. The lowest was 0.67. And the median was 1.37.

TPE:1323's Cyclically Adjusted PB Ratio is ranked better than
66.03% of 312 companies
in the Packaging & Containers industry
Industry Median: 1.1 vs TPE:1323: 0.70

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.

Yonyu Plastics Co's adjusted book value per share data for the three months ended in Mar. 2026 was NT$28.234. 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$28.12 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Yonyu Plastics Co  (TPE:1323) 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.


Yonyu Plastics Co Cyclically Adjusted PB Ratio Related Terms


Yonyu Plastics Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Yonyu Plastics 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.

Yonyu Plastics Co Cyclically Adjusted PB Ratio Chart

Yonyu Plastics 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 1.60 1.37 1.23 0.92 0.71

Yonyu Plastics 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 0.84 0.72 0.72 0.71 0.82

TPE:1323 vs SW, PKG, IP: Cyclically Adjusted PB Ratio Comparison

For the Packaging & Containers subindustry, Yonyu Plastics 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.


Yonyu Plastics Co Cyclically Adjusted PB Ratio vs Packaging & Containers Industry

For the Packaging & Containers industry and Consumer Cyclical sector, Yonyu Plastics Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TPE:1323
68GF Score
Yonyu Plastics Co Ltd TPE:1323
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Yonyu Plastics 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.

Yonyu Plastics Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=19.75/28.12
=0.70

* 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.

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

For example, Yonyu Plastics 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)
=28.234/330.2130*330.2130
=28.234

Current CPI (Mar. 2026) = 330.2130.

Yonyu Plastics Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 18.337 241.018 25.123
201609 18.859 241.428 25.794
201612 19.312 241.432 26.414
201703 19.168 243.801 25.962
201706 18.240 244.955 24.589
201709 19.259 246.819 25.766
201712 19.917 246.524 26.678
201803 20.799 249.554 27.521
201806 20.332 251.989 26.644
201809 20.671 252.439 27.040
201812 21.620 251.233 28.417
201903 22.630 254.202 29.397
201906 21.451 256.143 27.654
201909 21.793 256.759 28.028
201912 22.249 256.974 28.590
202003 21.238 258.115 27.170
202006 21.932 257.797 28.093
202009 22.947 260.280 29.112
202012 24.285 260.474 30.787
202103 23.229 264.877 28.959
202106 23.959 271.696 29.119
202109 24.650 274.310 29.674
202112 25.527 278.802 30.234
202203 25.321 287.504 29.082
202206 25.307 296.311 28.202
202209 26.218 296.808 29.169
202212 26.789 296.797 29.805
202303 26.042 301.836 28.490
202306 25.833 305.109 27.959
202309 26.910 307.789 28.871
202312 26.362 306.746 28.379
202403 26.457 312.332 27.972
202406 26.969 314.175 28.346
202409 28.847 315.301 30.211
202412 29.346 315.605 30.704
202503 28.796 319.799 29.734
202506 26.060 322.561 26.678
202509 27.005 324.800 27.455
202512 28.088 324.054 28.622
202603 28.234 330.213 28.234

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 0.70 mean?
Yonyu Plastics Co (TPE:1323) has a Cyclically Adjusted PB Ratio of 0.70 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 Yonyu Plastics Co and its competitors. This is 49% below median its historical median of 1.37. Over the past decade, Yonyu Plastics Co's Cyclically Adjusted PB Ratio has ranged from 0.67 to 1.85. According to the industry distribution chart, Yonyu Plastics Co ranks #106 out of 312 companies in the Packaging & Containers industry, placing it in the top 34%.
Is Yonyu Plastics Co's Cyclically Adjusted PB Ratio too high?
Yonyu Plastics Co's current Cyclically Adjusted PB Ratio of 0.70 is 49% below median its 10-year median of 1.37. Over the past 10 years, this metric has ranged from a low of 0.67 to a high of 1.85. The Packaging & Containers industry median Cyclically Adjusted PB Ratio is 1.10. Yonyu Plastics Co's value of 0.70 is 36.4% below this industry median. Based on the distribution chart, Yonyu Plastics Co ranks #106 out of 312 companies in the Packaging & Containers industry, which is above the industry midpoint. Overall, Yonyu Plastics Co has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Yonyu Plastics Co's Cyclically Adjusted PB Ratio compare to SW and PKG?
According to the Packaging & Containers industry distribution chart, Yonyu Plastics Co ranks #106 out of 312 companies for Cyclically Adjusted PB Ratio. This puts Yonyu Plastics Co in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.10. Yonyu Plastics Co's value of 0.70 is 36.4% below this benchmark. Historically, Yonyu Plastics Co's own Cyclically Adjusted PB Ratio has ranged from 0.67 to 1.85 over the past decade. While the company's 10-year median is 1.37 vs. the industry median of 1.10, Yonyu Plastics Co 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 Packaging & Containers company?
The median Cyclically Adjusted PB Ratio among Packaging & Containers companies is 1.10, based on 312 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. Yonyu Plastics Co's current Cyclically Adjusted PB Ratio of 0.70 is 36.4% 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 Yonyu Plastics Co and its competitors. For the Packaging & Containers industry, the median Cyclically Adjusted PB Ratio is 1.10 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Yonyu Plastics Co's current Cyclically Adjusted PB Ratio is 0.70, which is 49% below median its own 10-year median of 1.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Yonyu Plastics Co stock overvalued right now?
Based on GuruFocus' analysis, Yonyu Plastics Co (TPE:1323) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$17.29, compared to a current price of NT$19.75 — trading 14.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.70, which is 49% below median its 10-year median of 1.37 and 36.4% below the Packaging & Containers industry median of 1.10. Yonyu Plastics Co's overall GF Score™ is 68/100 with 5 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 Yonyu Plastics Co (TPE:1323), the current Cyclically Adjusted PB Ratio is 0.70 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 Yonyu Plastics Co (TPE:1323) Overvalued in 2026?

Based on GuruFocus' analysis, Yonyu Plastics Co stock appears to be overvalued. The current stock price of NT$19.75 is trading 14.2% above its estimated GF Value™ of NT$17.29. GuruFocus considers Yonyu Plastics Co to be Modestly Overvalued.

Key valuation signals for TPE:1323:

  • Cyclically Adjusted PB Ratio: 0.70 (49% below median its 10-year median of 1.37)
  • GF Value™: NT$17.29 vs. price of NT$19.75 (14.2% above fair value)
  • GF Score™: 68/100 with 5 warning signs
  • Industry Position: 36.4% below the Packaging & Containers median (#106 of 312)

No single metric tells the full story. See the TPE:1323 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Yonyu Plastics Co Business Description

Address No.88, Sheng Li Road, Rende District, Tainan, TWN, 717
Yonyu Plastics Co Ltd is engaged in the manufacture, wholesale, and retail of a range of plastic products. Its products include plastic bottles, tubes, and in-mold labeled cups, among others. The company also provides services such as engineering design, mold fabrication, and extrusion. Its products are used for Household cleaning supplies. Personal cleaning supplies and cosmetic packaging material. Geographically, it operates in Taiwan and Mainland China.
68GF Score

Get the complete analysis for TPE:1323

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

NT$19.75
Price
NT$17.29
GF Value