Formosa Optical Technology Co (ROCO:5312) Altman Z-Score: 1.78 (As of Jul. 09, 2026) — 12% Below Median


ROCO:5312 Formosa Optical Technology Co Ltd ROCO:5312
82 GF Score
Price NT$89.20
GF Value NT$108.74
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Formosa Optical Technology Co Altman Z-Score?

Formosa Optical Technology Co ROCO:5312 -0.56% 82 Altman Z-Score is 1.78 as of Jul. 09, 2026, which is 12% below its 10-year median of 2.02. GuruFocus rates ROCO:5312 with a GF Score™ of 82/100 and a GF Value™ of NT$108.74 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 808 Medical Devices & Instruments companies, Formosa Optical Technology Co ranks worse than 65.35% on this metric.

The Altman Z-Score is a model designed to predict the likelihood of a company going bankrupt within the next two years. Created by American finance professor Edward Altman in 1968, the model is specifically designed for publicly traded manufacturing companies with assets greater than $1 million.

Warning Sign:

Altman Z-score of 1.79 is in distress zone. This implies bankruptcy possibility in the next two years.

Formosa Optical Technology Co has a Altman Z-Score of 1.78, indicating it is in Distress Zones. This implies bankrupcy possibility in the next two years.

The zones of discrimination were as such:

When Altman Z-Score <= 1.8, it is in Distress Zones.
When Altman Z-Score >= 3, it is in Safe Zones.
When Altman Z-Score is between 1.8 and 3, it is in Grey Zones.

The historical rank and industry rank for Formosa Optical Technology Co's Altman Z-Score or its related term are showing as below:

ROCO:5312' s Altman Z-Score Range Over the Past 10 Years
Min: 1.61   Med: 2.02   Max: 2.73
Current: 1.79

During the past 13 years, Formosa Optical Technology Co's highest Altman Z-Score was 2.73. The lowest was 1.61. And the median was 2.02.


Formosa Optical Technology Co  (ROCO:5312) Altman Z-Score Explanation

X1: The Working Capital/Total Assets (WC/TA) ratio is a measure of the net liquid assets of the firm relative to the total capitalization. Working capital is defined as the difference between current assets and current liabilities. Ordinarily, a firm experiencing consistent operating losses will have shrinking current assets in relation to total assets. Altman found this one proved to be the most valuable liquidity ratio comparing with the current ratio and the quick ratio. This is however the least significant of the five factors.

X2: Retained Earnings/Total Assets: the RE/TA ratio measures the leverage of a firm. Retained earnings is the account which reports the total amount of reinvested earnings and/or losses of a firm over its entire life. Those firms with high RE, relative to TA, have financed their assets through retention of profits and have not utilized as much debt.

X3, Earnings Before Interest and Taxes/Total Assets (EBIT/TA): This ratio is a measure of the true productivity of the firm's assets, independent of any tax or leverage factors. Since a firm's ultimate existence is based on the earning power of its assets, this ratio appears to be particularly appropriate for studies dealing with corporate failure. This ratio continually outperforms other profitability measures, including cash flow.

X4, Market Value of Equity/Book Value of Total Liabilities (MVE/TL): The measure shows how much the firm's assets can decline in value (measured by market value of equity plus debt) before the liabilities exceed the assets and the firm becomes insolvent.

X5, Revenue/Total Assets (S/TA): The capital-turnover ratio is a standard financial ratio illustrating the sales generating ability of the firm's assets.

Read more about Altman Z-Score and the original research.


Be Aware

Altman Z-Score does not apply to financial companies.


Formosa Optical Technology Co Altman Z-Score Related Terms


Formosa Optical Technology Co Altman Z-Score Historical Data

* Premium members only.

The historical data trend for Formosa Optical Technology Co's Altman Z-Score 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 Optical Technology Co Altman Z-Score Chart

Formosa Optical Technology Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Altman Z-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.61 1.67 2.04 2.22 1.86

Formosa Optical Technology Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Altman Z-Score 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 2.22 2.37 2.18 1.89 1.86

ROCO:5312 vs ISRG, BDX, MDLN: Altman Z-Score Comparison

For the Medical Instruments & Supplies subindustry, Formosa Optical Technology Co's Altman Z-Score, along with its competitors' market caps and Altman Z-Score 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 Optical Technology Co Altman Z-Score vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Formosa Optical Technology Co's Altman Z-Score distribution charts can be found below:

* The bar in red indicates where Formosa Optical Technology Co's Altman Z-Score falls into.


ROCO:5312
82GF Score
Formosa Optical Technology Co Ltd ROCO:5312
Altman Z-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Formosa Optical Technology Co Altman Z-Score Calculation

Altman Z-Score model is an accurate forecaster of failure up to two years prior to distress. It can be considered the assessment of the distress of industrial corporations.

Formosa Optical Technology Co's Altman Z-Score for today is calculated with this formula:

Z=1.2*X1+1.4*X2+3.3*X3+0.6*X4+1.0*X5
=1.2*0.216+1.4*0.2057+3.3*0.0584+0.6*0.9874+1.0*0.451
=1.78

* 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. GuruFocus does not calculate Altman Z-Score when X4 or X5 value is 0.

Trailing Twelve Months (TTM) ended in Dec. 2025:
Total Assets was NT$9,155 Mil.
Total Current Assets was NT$5,501 Mil.
Total Current Liabilities was NT$3,524 Mil.
Retained Earnings was NT$1,883 Mil.
Pre-Tax Income was 83.402 + 180.764 + 63.047 + 149.811 = NT$477 Mil.
Interest Expense was -16.205 + -15.146 + -12.979 + -12.839 = NT$-57 Mil.
Revenue was 1126.859 + 1039.939 + 960.354 + 1001.447 = NT$4,129 Mil.
Market Cap (Today) was NT$5,357 Mil.
Total Liabilities was NT$5,426 Mil.

* Note that for stock reported semi-annually or annually, GuruFocus uses latest annual data as the TTM data.

X1=Working Capital/Total Assets
=(Total Current Assets - Total Current Liabilities)/Total Assets
=(5501.266 - 3523.905)/9154.653
=0.216

X2=Retained Earnings/Total Assets
=1882.97/9154.653
=0.2057

X3=Earnings Before Interest and Taxes/Total Assets
=(Pre-Tax Income - Interest Expense)/Total Assets
=(477.024 - -57.169)/9154.653
=0.0584

X4=Market Value Equity/Book Value of Total Liabilities
=Market Cap/Total Liabilities
=5357.352/5425.966
=0.9874

X5=Revenue/Total Assets
=4128.599/9154.653
=0.451

The zones of discrimination were as such:

Distress Zones - 1.81 < Grey Zones < 2.99 - Safe Zones

Formosa Optical Technology Co has a Altman Z-Score of 1.78 indicating it is in Distress Zones.

Study by Altman found that companies that are in Distress Zone have more than 80% of chances of bankruptcy in two years.

Frequently Asked Questions Learn more about Altman Z-Score →
What does a Altman Z-Score of 1.78 mean?
Formosa Optical Technology Co (ROCO:5312) has a Altman Z-Score of 1.78 as of Jul. 09, 2026. The Altman Z-score measures a company's bankruptcy risk. View historical data on Formosa Optical Technology Co and its competitors. This is 12% below median its historical median of 2.02. Over the past decade, Formosa Optical Technology Co's Altman Z-Score has ranged from 1.61 to 2.73. According to the industry distribution chart, Formosa Optical Technology Co ranks #528 out of 808 companies in the Medical Devices & Instruments industry, placing it in the top 65.3%.
Is Formosa Optical Technology Co's Altman Z-Score too high?
Formosa Optical Technology Co's current Altman Z-Score of 1.78 is 12% below median its 10-year median of 2.02. Over the past 10 years, this metric has ranged from a low of 1.61 to a high of 2.73. The Medical Devices & Instruments industry median Altman Z-Score is 2.99. Formosa Optical Technology Co's value of 1.78 is 40.4% below this industry median. Based on the distribution chart, Formosa Optical Technology Co ranks #528 out of 808 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Formosa Optical Technology Co has a GF Score™ of 82/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Optical Technology Co's Altman Z-Score compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Formosa Optical Technology Co ranks #528 out of 808 companies for Altman Z-Score. This places Formosa Optical Technology Co in the lower half of its industry. The industry median Altman Z-Score is 2.99. Formosa Optical Technology Co's value of 1.78 is 40.4% below this benchmark. Historically, Formosa Optical Technology Co's own Altman Z-Score has ranged from 1.61 to 2.73 over the past decade. While the company's 10-year median is 2.02 vs. the industry median of 2.99, Formosa Optical Technology 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 Altman Z-Score for a Medical Devices & Instruments company?
The median Altman Z-Score among Medical Devices & Instruments companies is 2.99, based on 808 companies in the industry. Companies in the top quartile (top 25%) have a Altman Z-Score significantly above this median, while those in the bottom quartile fall well below. However, Altman Z-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Formosa Optical Technology Co's current Altman Z-Score of 1.78 is 40.4% 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 Altman Z-Score mean?
A high Altman Z-Score can signal that a stock is expensive relative to its fundamentals. The Altman Z-score measures a company's bankruptcy risk. View historical data on Formosa Optical Technology Co and its competitors. For the Medical Devices & Instruments industry, the median Altman Z-Score is 2.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Optical Technology Co's current Altman Z-Score is 1.78, which is 12% below median its own 10-year median of 2.02. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Formosa Optical Technology Co (ROCO:5312) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$108.74, compared to a current price of NT$89.20 — trading 18% below its estimated fair value. The current Altman Z-Score is 1.78, which is 12% below median its 10-year median of 2.02 and 40.4% below the Medical Devices & Instruments industry median of 2.99. Formosa Optical Technology Co's overall GF Score™ is 82/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Altman Z-Score calculated?
Altman Z-Score is calculated from a company's financial statements. For Formosa Optical Technology Co (ROCO:5312), the current Altman Z-Score is 1.78 as of Jul. 09, 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 Optical Technology Co (ROCO:5312) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Optical Technology Co stock appears to be undervalued. The current stock price of NT$89.20 is trading 18% below its estimated GF Value™ of NT$108.74. GuruFocus considers Formosa Optical Technology Co to be Modestly Undervalued.

Key valuation signals for ROCO:5312:

  • Altman Z-Score: 1.78 (12% below median its 10-year median of 2.02)
  • GF Value™: NT$108.74 vs. price of NT$89.20 (18% below fair value)
  • GF Score™: 82/100 with 4 warning signs
  • Industry Position: 40.4% below the Medical Devices & Instruments median (#528 of 808)

No single metric tells the full story. See the ROCO:5312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Optical Technology Co Business Description

Address No. 97, Xintai 5th Road, 16th Floor, Section 1, Xizhi District, New Taipei City, TWN
Formosa Optical Technology Co Ltd is mainly engaged in the eyewear business, including optometry services and the retail business selling contact lenses and eye drops. The Group mainly derives revenue from the business divisions of Formosa Optical Technology and Bo Wei Optical, with Formosa Optical Technology generating maximum revenue. The majority of revenue is derived from the sale of glasses. The Group generates the majority of its revenue from Taiwan.
82GF Score

Get the complete analysis for ROCO:5312

Altman Z-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$89.20
Price
NT$108.74
GF Value