Formosa Plastics (TPE:1301) Cyclically Adjusted PS Ratio: 1.55 (As of Jul. 28, 2026) — 31% 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:1301 Formosa Plastics Corp TPE:1301
71 GF Score
Price NT$61.70
GF Value NT$45.38
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Formosa Plastics Cyclically Adjusted PS Ratio?

Formosa Plastics TPE:1301 -1.59% 71 Cyclically Adjusted PS Ratio is 1.55 as of Jul. 28, 2026, which is 31% below its 10-year median of 2.26. GuruFocus rates TPE:1301 with a GF Score™ of 71/100 and a GF Value™ of NT$45.38 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,277 Chemicals companies, Formosa Plastics ranks worse than 57.4% on this metric.

As of today (2026-07-28), Formosa Plastics's current share price is NT$61.70. Formosa Plastics's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was NT$39.76. Formosa Plastics's Cyclically Adjusted PS Ratio for today is 1.55.

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

TPE:1301' s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.79   Med: 2.26   Max: 3.23
Current: 1.58

During the past years, Formosa Plastics's highest Cyclically Adjusted PS Ratio was 3.23. The lowest was 0.79. And the median was 2.26.

TPE:1301's Cyclically Adjusted PS Ratio is ranked worse than
57.4% of 1277 companies
in the Chemicals industry
Industry Median: 1.28 vs TPE:1301: 1.58

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 PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.

Formosa Plastics's adjusted revenue per share data for the three months ended in Mar. 2026 was NT$6.595. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is NT$39.76 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Formosa Plastics  (TPE:1301) Cyclically Adjusted PS Ratio Explanation

Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue 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 PS Ratio should give similar results to regular PS Ratio.


Formosa Plastics Cyclically Adjusted PS Ratio Related Terms


Formosa Plastics Cyclically Adjusted PS Ratio Historical Data

* Premium members only.

The historical data trend for Formosa Plastics's Cyclically Adjusted PS 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.

Formosa Plastics Cyclically Adjusted PS Ratio Chart

Formosa Plastics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PS Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.78 2.18 1.99 0.90 0.99

Formosa 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 PS 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 0.92 0.88 0.97 0.99 1.15

TPE:1301 vs LIN, SHW, ECL: Cyclically Adjusted PS Ratio Comparison

For the Specialty Chemicals subindustry, Formosa Plastics's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS 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.


Formosa Plastics Cyclically Adjusted PS Ratio vs Chemicals Industry

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

* The bar in red indicates where Formosa Plastics's Cyclically Adjusted PS Ratio falls into.


TPE:1301
71GF Score
Formosa Plastics Corp TPE:1301
Cyclically Adjusted PS Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Formosa Plastics Cyclically Adjusted PS Ratio Calculation

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

Formosa Plastics's Cyclically Adjusted PS Ratio for today is calculated as

Cyclically Adjusted PS Ratio=Share Price/ Cyclically Adjusted Revenue per Share
=61.70/39.76
=1.55

* 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.

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

For example, Formosa Plastics's adjusted Revenue per Share data for the three months ended in Mar. 2026 was:

Adj_RevenuePerShare=Revenue per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=6.595/330.2130*330.2130
=6.595

Current CPI (Mar. 2026) = 330.2130.

Formosa Plastics Quarterly Data

Revenue per Share CPI Adj_RevenuePerShare
201606 7.008 241.018 9.601
201609 6.620 241.428 9.055
201612 7.925 241.432 10.839
201703 7.508 243.801 10.169
201706 8.250 244.955 11.121
201709 8.404 246.819 11.244
201712 8.336 246.524 11.166
201803 8.509 249.554 11.259
201806 9.797 251.989 12.838
201809 9.026 252.439 11.807
201812 8.852 251.233 11.635
201903 8.328 254.202 10.818
201906 8.904 256.143 11.479
201909 7.801 256.759 10.033
201912 7.627 256.974 9.801
202003 6.601 258.115 8.445
202006 6.816 257.797 8.731
202009 7.271 260.280 9.225
202012 8.583 260.474 10.881
202103 9.519 264.877 11.867
202106 11.263 271.696 13.689
202109 10.500 274.310 12.640
202112 11.684 278.802 13.839
202203 11.152 287.504 12.809
202206 11.611 296.311 12.939
202209 8.695 296.808 9.674
202212 8.021 296.797 8.924
202303 8.201 301.836 8.972
202306 7.514 305.109 8.132
202309 7.985 307.789 8.567
202312 7.500 306.746 8.074
202403 7.557 312.332 7.990
202406 7.865 314.175 8.266
202409 8.000 315.301 8.378
202412 7.907 315.605 8.273
202503 7.415 319.799 7.656
202506 7.124 322.561 7.293
202509 6.236 324.800 6.340
202512 6.457 324.054 6.580
202603 6.595 330.213 6.595

Add all the adjusted revenue per share together and divide 10 will get our Cyclically Adjusted Revenue 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 PS Ratio of 1.55 mean?
Formosa Plastics (TPE:1301) has a Cyclically Adjusted PS Ratio of 1.55 as of Jul. 28, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Formosa Plastics and its competitors. This is 31% below median its historical median of 2.26. Over the past decade, Formosa Plastics' Cyclically Adjusted PS Ratio has ranged from 0.79 to 3.23. According to the industry distribution chart, Formosa Plastics ranks #733 out of 1277 companies in the Chemicals industry, placing it in the top 57.4%.
Is Formosa Plastics' Cyclically Adjusted PS Ratio too high?
Formosa Plastics' current Cyclically Adjusted PS Ratio of 1.55 is 31% below median its 10-year median of 2.26. Over the past 10 years, this metric has ranged from a low of 0.79 to a high of 3.23. The Chemicals industry median Cyclically Adjusted PS Ratio is 1.28. Formosa Plastics' value of 1.55 is 21.1% above this industry median. Based on the distribution chart, Formosa Plastics ranks #733 out of 1277 companies in the Chemicals industry, which is below the industry midpoint. Overall, Formosa Plastics has a GF Score™ of 71/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Plastics' Cyclically Adjusted PS Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Formosa Plastics ranks #733 out of 1277 companies for Cyclically Adjusted PS Ratio. This places Formosa Plastics in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.28. Formosa Plastics' value of 1.55 is 21.1% above this benchmark. Historically, Formosa Plastics' own Cyclically Adjusted PS Ratio has ranged from 0.79 to 3.23 over the past decade. While the company's 10-year median is 2.26 vs. the industry median of 1.28, Formosa 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 PS Ratio for a Chemicals company?
The median Cyclically Adjusted PS Ratio among Chemicals companies is 1.28, based on 1,277 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Formosa Plastics's current Cyclically Adjusted PS Ratio of 1.55 is 21.1% 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 PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Formosa Plastics and its competitors. For the Chemicals industry, the median Cyclically Adjusted PS Ratio is 1.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Plastics's current Cyclically Adjusted PS Ratio is 1.55, which is 31% below median its own 10-year median of 2.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Plastics stock overvalued right now?
Based on GuruFocus' analysis, Formosa Plastics (TPE:1301) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$45.38, compared to a current price of NT$61.70 — trading 36% above its estimated fair value. The current Cyclically Adjusted PS Ratio is 1.55, which is 31% below median its 10-year median of 2.26 and 21.1% above the Chemicals industry median of 1.28. Formosa Plastics' overall GF Score™ is 71/100 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 PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Formosa Plastics (TPE:1301), the current Cyclically Adjusted PS Ratio is 1.55 as of Jul. 28, 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 Formosa Plastics (TPE:1301) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Plastics stock appears to be overvalued. The current stock price of NT$61.70 is trading 36% above its estimated GF Value™ of NT$45.38. GuruFocus considers Formosa Plastics to be Significantly Overvalued.

Key valuation signals for TPE:1301:

  • Cyclically Adjusted PS Ratio: 1.55 (31% below median its 10-year median of 2.26)
  • GF Value™: NT$45.38 vs. price of NT$61.70 (36% above fair value)
  • GF Score™: 71/100 with 9 warning signs
  • Industry Position: 21.1% above the Chemicals median (#733 of 1277)

No single metric tells the full story. See the TPE:1301 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Plastics Business Description

Address No. 100, Shuiguan Road, Renwu District, Kaohsiung, TWN, 814
Formosa Plastics Corp is a holding company that, through its subsidiaries, manufactures and sells plastic-based products, chemical fibers, and petrochemicals. The company operates in five reportable segments: Plastics Division, Polyolefins Division, Polypropylene Division, Tairylan Division, and Chemical Division. The majority of revenue is derived from the Plastic division. Geographically, the company operates in Taiwan, mainland China, and other countries, with the maximum revenue generated from Taiwan.
71GF Score

Get the complete analysis for TPE:1301

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

NT$61.70
Price
NT$45.38
GF Value