Ruby Tech (ROCO:8048) Altman Z-Score: 9.89 (As of Jul. 06, 2026) — 60% Above Median


ROCO:8048 Ruby Tech Corp ROCO:8048
80 GF Score
Price NT$62.10
GF Value NT$41.72
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Ruby Tech Altman Z-Score?

Ruby Tech ROCO:8048 -0.96% 80 Altman Z-Score is 9.89 as of Jul. 06, 2026, which is 60% above its 10-year median of 6.20. GuruFocus rates ROCO:8048 with a GF Score™ of 80/100 and a GF Value™ of NT$41.72 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,458 Hardware companies, Ruby Tech ranks better than 82.71% 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.

Good Sign:

Altman Z-score of 9.97 is strong.

Ruby Tech has a Altman Z-Score of 9.89, indicating it is in Safe Zones. This implies the Altman Z-Score is strong.

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 Ruby Tech's Altman Z-Score or its related term are showing as below:

ROCO:8048' s Altman Z-Score Range Over the Past 10 Years
Min: 4.83   Med: 6.2   Max: 9.97
Current: 9.97

During the past 13 years, Ruby Tech's highest Altman Z-Score was 9.97. The lowest was 4.83. And the median was 6.20.


Ruby Tech  (ROCO:8048) 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.


Ruby Tech Altman Z-Score Related Terms


Ruby Tech Altman Z-Score Historical Data

* Premium members only.

The historical data trend for Ruby Tech'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.

Ruby Tech Altman Z-Score Chart

Ruby Tech 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 5.39 5.35 7.65 9.41 9.07

Ruby Tech 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 9.41 8.91 5.47 7.42 9.07

ROCO:8048 vs CSCO, CIEN, MSI: Altman Z-Score Comparison

For the Communication Equipment subindustry, Ruby Tech'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.


Ruby Tech Altman Z-Score vs Hardware Industry

For the Hardware industry and Technology sector, Ruby Tech's Altman Z-Score distribution charts can be found below:

* The bar in red indicates where Ruby Tech's Altman Z-Score falls into.


ROCO:8048
80GF Score
Ruby Tech Corp ROCO:8048
Altman Z-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ruby Tech 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.

Ruby Tech'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*0.6089+1.4*0.2353+3.3*0.1245+0.6*12.869+1.0*0.6988
=9.89

* 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$1,446 Mil.
Total Current Assets was NT$1,155 Mil.
Total Current Liabilities was NT$274 Mil.
Retained Earnings was NT$340 Mil.
Pre-Tax Income was 61.557 + 64.949 + 6.385 + 47.079 = NT$180 Mil.
Interest Expense was -0.021 + -0.018 + -0.014 + -0.003 = NT$-0 Mil.
Revenue was 289.398 + 252.527 + 219.324 + 249.402 = NT$1,011 Mil.
Market Cap (Today) was NT$3,584 Mil.
Total Liabilities was NT$278 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
=(1155.116 - 274.462)/1446.245
=0.6089

X2=Retained Earnings/Total Assets
=340.249/1446.245
=0.2353

X3=Earnings Before Interest and Taxes/Total Assets
=(Pre-Tax Income - Interest Expense)/Total Assets
=(179.97 - -0.056)/1446.245
=0.1245

X4=Market Value Equity/Book Value of Total Liabilities
=Market Cap/Total Liabilities
=3583.527/278.461
=12.869

X5=Revenue/Total Assets
=1010.651/1446.245
=0.6988

The zones of discrimination were as such:

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

Ruby Tech has a Altman Z-Score of 9.89 indicating it is in Safe 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 9.89 mean?
Ruby Tech (ROCO:8048) has a Altman Z-Score of 9.89 as of Jul. 06, 2026. The Altman Z-score measures a company's bankruptcy risk. View historical data on Ruby Tech and its competitors. This is 60% above median its historical median of 6.20. Over the past decade, Ruby Tech's Altman Z-Score has ranged from 4.83 to 9.97. According to the industry distribution chart, Ruby Tech ranks #425 out of 2458 companies in the Hardware industry, placing it in the top 17.3%.
Is Ruby Tech's Altman Z-Score too high?
Ruby Tech's current Altman Z-Score of 9.89 is 60% above median its 10-year median of 6.20. Over the past 10 years, this metric has ranged from a low of 4.83 to a high of 9.97. The Hardware industry median Altman Z-Score is 3.64. Ruby Tech's value of 9.89 is 171.7% above this industry median. Based on the distribution chart, Ruby Tech ranks #425 out of 2458 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Ruby Tech has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ruby Tech's Altman Z-Score compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Ruby Tech ranks #425 out of 2458 companies for Altman Z-Score. This places Ruby Tech in the top 17% of its industry — outperforming the majority of peers. The industry median Altman Z-Score is 3.64. Ruby Tech's value of 9.89 is 171.7% above this benchmark. Historically, Ruby Tech's own Altman Z-Score has ranged from 4.83 to 9.97 over the past decade. While the company's 10-year median is 6.20 vs. the industry median of 3.64, Ruby Tech 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 Altman Z-Score for a Hardware company?
The median Altman Z-Score among Hardware companies is 3.64, based on 2,458 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. Ruby Tech's current Altman Z-Score of 9.89 is 171.7% 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 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 Ruby Tech and its competitors. For the Hardware industry, the median Altman Z-Score is 3.64 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ruby Tech's current Altman Z-Score is 9.89, which is 60% above median its own 10-year median of 6.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ruby Tech stock overvalued right now?
Based on GuruFocus' analysis, Ruby Tech (ROCO:8048) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$41.72, compared to a current price of NT$62.10 — trading 48.8% above its estimated fair value. The current Altman Z-Score is 9.89, which is 60% above median its 10-year median of 6.20 and 171.7% above the Hardware industry median of 3.64. Ruby Tech's overall GF Score™ is 80/100 with 6 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 Ruby Tech (ROCO:8048), the current Altman Z-Score is 9.89 as of Jul. 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 Ruby Tech (ROCO:8048) Overvalued in 2026?

Based on GuruFocus' analysis, Ruby Tech stock appears to be overvalued. The current stock price of NT$62.10 is trading 48.8% above its estimated GF Value™ of NT$41.72. GuruFocus considers Ruby Tech to be Significantly Overvalued.

Key valuation signals for ROCO:8048:

  • Altman Z-Score: 9.89 (60% above median its 10-year median of 6.20)
  • GF Value™: NT$41.72 vs. price of NT$62.10 (48.8% above fair value)
  • GF Score™: 80/100 with 6 warning signs
  • Industry Position: 171.7% above the Hardware median (#425 of 2458)

No single metric tells the full story. See the ROCO:8048 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ruby Tech Business Description

Address Nangang Road, 3rd Floor No.1, Lane 50, Section 3, Xixin Village, Nangang District, Tapei, TWN, 115
Ruby Tech Corp is engaged in the research, manufacturing, and trading of optical fiber network equipment for central offices and customer premises, network management switches, and outdoor wireless networking equipment. It is focused on OEM/ODM Business of Networking Products such as PoE Ethernet Switches, Industrial Switches, GEPON OLT/ONU, etc. The reportable segments of the company are: i) Computer and its peripheral equipment: Department 1, and ii) Computer and its peripheral equipment: Department 2. The majority of revenue is derived from Department 1.
80GF Score

Get the complete analysis for ROCO:8048

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

NT$62.10
Price
NT$41.72
GF Value