Nan Ya Plastics (TPE:1303) Cyclically Adjusted PB Ratio: 2.96 (As of Aug. 03, 2026) — 97% Above Median

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TPE:1303 Nan Ya Plastics Corp TPE:1303
55 GF Score
Price NT$159.50
GF Value NT$61.82
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Nan Ya Plastics Cyclically Adjusted PB Ratio?

Nan Ya Plastics TPE:1303 +10.00% 55 Cyclically Adjusted PB Ratio is 2.96 as of Aug. 03, 2026, which is 97% above its 10-year median of 1.50. GuruFocus rates TPE:1303 with a GF Score™ of 55/100 and a GF Value™ of NT$61.82 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,248 Chemicals companies, Nan Ya Plastics ranks worse than 67.23% on this metric.

As of today (2026-08-03), Nan Ya Plastics's current share price is NT$159.50. Nan Ya Plastics's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$53.90. Nan Ya Plastics's Cyclically Adjusted PB Ratio for today is 2.96.

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

TPE:1303' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.5   Med: 1.5   Max: 3.69
Current: 2.63

During the past years, Nan Ya Plastics's highest Cyclically Adjusted PB Ratio was 3.69. The lowest was 0.50. And the median was 1.50.

TPE:1303's Cyclically Adjusted PB Ratio is ranked worse than
67.23% of 1248 companies
in the Chemicals industry
Industry Median: 1.62 vs TPE:1303: 2.63

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.

Nan Ya Plastics's adjusted book value per share data for the three months ended in Mar. 2026 was NT$48.397. 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$53.90 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Nan Ya Plastics  (TPE:1303) 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.


Nan Ya Plastics Cyclically Adjusted PB Ratio Related Terms


Nan Ya Plastics Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Nan Ya Plastics'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.

Nan Ya Plastics Cyclically Adjusted PB Ratio Chart

Nan Ya Plastics 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 1.85 1.42 1.28 0.57 1.13

Nan Ya Plastics 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 0.56 0.51 0.74 1.13 1.37

TPE:1303 vs LIN, SHW, ECL: Cyclically Adjusted PB Ratio Comparison

For the Specialty Chemicals subindustry, Nan Ya Plastics'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.


Nan Ya Plastics Cyclically Adjusted PB Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Nan Ya Plastics's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TPE:1303
55GF Score
Nan Ya Plastics Corp TPE:1303
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Nan Ya Plastics 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.

Nan Ya Plastics's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=159.50/53.90
=2.96

* 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.

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

For example, Nan Ya Plastics'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)
=48.397/330.2130*330.2130
=48.397

Current CPI (Mar. 2026) = 330.2130.

Nan Ya Plastics Quarterly Data

Book Value per Share CPI Adj_Book
201606 38.783 241.018 53.136
201609 39.476 241.428 53.993
201612 42.676 241.432 58.369
201703 43.316 243.801 58.669
201706 40.346 244.955 54.389
201709 42.930 246.819 57.435
201712 44.840 246.524 60.062
201803 48.835 249.554 64.619
201806 46.934 251.989 61.504
201809 48.020 252.439 62.814
201812 47.369 251.233 62.260
201903 49.031 254.202 63.692
201906 44.512 256.143 57.384
201909 43.700 256.759 56.202
201912 43.447 256.974 55.830
202003 41.047 258.115 52.512
202006 38.995 257.797 49.949
202009 39.834 260.280 50.537
202012 43.453 260.474 55.087
202103 46.215 264.877 57.615
202106 46.185 271.696 56.132
202109 50.179 274.310 60.405
202112 52.210 278.802 61.838
202203 55.201 287.504 63.401
202206 48.783 296.311 54.364
202209 48.483 296.808 53.940
202212 47.297 296.797 52.622
202303 44.885 301.836 49.105
202306 44.374 305.109 48.025
202309 46.051 307.789 49.406
202312 45.411 306.746 48.885
202403 45.786 312.332 48.407
202406 46.630 314.175 49.010
202409 44.973 315.301 47.100
202412 43.701 315.605 45.724
202503 43.375 319.799 44.787
202506 39.759 322.561 40.702
202509 41.482 324.800 42.173
202512 44.846 324.054 45.698
202603 48.397 330.213 48.397

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 2.96 mean?
Nan Ya Plastics (TPE:1303) has a Cyclically Adjusted PB Ratio of 2.96 as of Aug. 03, 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 Nan Ya Plastics and its competitors. This is 97% above median its historical median of 1.50. Over the past decade, Nan Ya Plastics' Cyclically Adjusted PB Ratio has ranged from 0.50 to 3.69. According to the industry distribution chart, Nan Ya Plastics ranks #839 out of 1248 companies in the Chemicals industry, placing it in the top 67.2%.
Is Nan Ya Plastics' Cyclically Adjusted PB Ratio too high?
Nan Ya Plastics' current Cyclically Adjusted PB Ratio of 2.96 is 97% above median its 10-year median of 1.50. Over the past 10 years, this metric has ranged from a low of 0.50 to a high of 3.69. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.62. Nan Ya Plastics' value of 2.96 is 82.7% above this industry median. Based on the distribution chart, Nan Ya Plastics ranks #839 out of 1248 companies in the Chemicals industry, which is below the industry midpoint. Overall, Nan Ya Plastics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Nan Ya Plastics' Cyclically Adjusted PB Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Nan Ya Plastics ranks #839 out of 1248 companies for Cyclically Adjusted PB Ratio. This places Nan Ya Plastics in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.62. Nan Ya Plastics' value of 2.96 is 82.7% above this benchmark. Historically, Nan Ya Plastics' own Cyclically Adjusted PB Ratio has ranged from 0.50 to 3.69 over the past decade. While the company's 10-year median is 1.50 vs. the industry median of 1.62, Nan Ya Plastics 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 Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.62, based on 1,248 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. Nan Ya Plastics's current Cyclically Adjusted PB Ratio of 2.96 is 82.7% 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 Nan Ya Plastics and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nan Ya Plastics's current Cyclically Adjusted PB Ratio is 2.96, which is 97% above median its own 10-year median of 1.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nan Ya Plastics stock overvalued right now?
Based on GuruFocus' analysis, Nan Ya Plastics (TPE:1303) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$61.82, compared to a current price of NT$159.50 — trading 158% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.96, which is 97% above median its 10-year median of 1.50 and 82.7% above the Chemicals industry median of 1.62. Nan Ya Plastics' overall GF Score™ is 55/100 with 4 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 Nan Ya Plastics (TPE:1303), the current Cyclically Adjusted PB Ratio is 2.96 as of Aug. 03, 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 Nan Ya Plastics (TPE:1303) Overvalued in 2026?

Based on GuruFocus' analysis, Nan Ya Plastics stock appears to be overvalued. The current stock price of NT$159.50 is trading 158% above its estimated GF Value™ of NT$61.82. GuruFocus considers Nan Ya Plastics to be Significantly Overvalued.

Key valuation signals for TPE:1303:

  • Cyclically Adjusted PB Ratio: 2.96 (97% above median its 10-year median of 1.50)
  • GF Value™: NT$61.82 vs. price of NT$159.50 (158% above fair value)
  • GF Score™: 55/100 with 4 warning signs
  • Industry Position: 82.7% above the Chemicals median (#839 of 1248)

No single metric tells the full story. See the TPE:1303 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Nan Ya Plastics Business Description

Address 101, Shuiguan Road, Renwu District, Kaohsiung, TWN, 814
Nan Ya Plastics Corp engages in the manufacture and sale of plastic products, polyester fibers, petrochemical products, and electronic materials. It has gone through several capital increases and established many divisions. Currently, the Company has the following divisions: plastics, fiber, petrochemical, electronics, and engineering. Geographically, the company generates a majority of its revenue from China and the rest from Taiwan and other markets.
55GF Score

Get the complete analysis for TPE:1303

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

NT$159.50
Price
NT$61.82
GF Value