Quanta Storage (ROCO:6188) Piotroski F-Score: 5 (As of Jul. 22, 2026) — 17% Below Median

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ROCO:6188 Quanta Storage Inc ROCO:6188
65 GF Score
Price NT$71.70
GF Value NT$93.27
Valuation Modestly Undervalued
! 2 Warning Signs
View Full Analysis

What is Quanta Storage Piotroski F-Score?

Quanta Storage ROCO:6188 +0.28% 65 Piotroski F-Score is 5 as of Jul. 22, 2026, which is 17% below its 10-year median of 6.00. GuruFocus rates ROCO:6188 with a GF Score™ of 65/100 and a GF Value™ of NT$93.27 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 2,427 Hardware companies, Quanta Storage ranks better than 91.14% on this metric.

The zones of discrimination were as such:

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Quanta Storage has an F-score of 5 indicating the company's financial situation is typical for a stable company.

The historical rank and industry rank for Quanta Storage's Piotroski F-Score or its related term are showing as below:

ROCO:6188' s Piotroski F-Score Range Over the Past 10 Years
Min: 4   Med: 6   Max: 8
Current: 5

During the past 13 years, the highest Piotroski F-Score of Quanta Storage was 8. The lowest was 4. And the median was 6.

Quanta Storage  (ROCO:6188) Piotroski F-Score Explanation

The developer of the system is Joseph D. Piotroski is relatively unknown accounting professor who shuns publicity and rarely gives interviews.

He graduated from the University of Illinois with a B.S. in accounting in 1989, received an M.B.A. from Indiana University in 1994. Five years later, in 1999, after earning a Ph.D. in accounting from the University of Michigan, he became an associate professor of accounting at the University of Chicago.

In 2000, he wrote a research paper called "Value Investing: The Use of Historical Financial Statement Information to Separate Winners from Losers" (pdf).

He wanted to see if he can develop a system (using a simple nine-point scoring system) that can increase the returns of a strategy of investing in low price to book (referred to in the paper as high book to market) value companies.

What he found was something that exceeded his most optimistic expectations.

Buying only those companies that scored highest (8 or 9) on his nine-point scale, or F-Score as he called it, over the 20 year period from 1976 to 1996 led to an average out-performance over the market of 13.4%.

Even more impressive were the results of a strategy of investing in the highest F-Score companies (8 or 9) and shorting companies with the lowest F-Score (0 or 1).

Over the same period from 1976 to 1996 (20 years) this strategy led to an average yearly return of 23%, substantially outperforming the average S&P 500 index return of 15.83% over the same period.


Quanta Storage Piotroski F-Score Related Terms


Quanta Storage Piotroski F-Score Historical Data

* Premium members only.

The historical data trend for Quanta Storage's Piotroski F-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.

Quanta Storage Piotroski F-Score Chart

Quanta Storage Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Piotroski F-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.00 4.00 6.00 5.00 7.00

Quanta Storage Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Piotroski F-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 5.00 4.00 7.00 7.00 5.00

ROCO:6188 vs SNDK, DELL, STX: Piotroski F-Score Comparison

For the Computer Hardware subindustry, Quanta Storage's Piotroski F-Score, along with its competitors' market caps and Piotroski F-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.


Quanta Storage Piotroski F-Score vs Hardware Industry

For the Hardware industry and Technology sector, Quanta Storage's Piotroski F-Score distribution charts can be found below:

* The bar in red indicates where Quanta Storage's Piotroski F-Score falls into.


ROCO:6188
65GF Score
Quanta Storage Inc ROCO:6188
Piotroski F-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

How is the Piotroski F-Score calculated?

* 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.

This Year (Mar26) TTM:Last Year (Mar25) TTM:
Net Income was 230.416 + 272.381 + 233.944 + 125.885 = NT$863 Mil.
Cash Flow from Operations was 3793.807 + -3730.8 + -365.152 + 3033.343 = NT$2,731 Mil.
Revenue was 2238.138 + 2280.179 + 2631.938 + 2171.362 = NT$9,322 Mil.
Gross Profit was 681.032 + 656.478 + 707.02 + 532.723 = NT$2,577 Mil.
Average Total Assets from the begining of this year (Mar25)
to the end of this year (Mar26) was
(14963.29 + 14451.412 + 19963.503 + 20104.965 + 21022.862) / 5 = NT$18101.2064 Mil.
Total Assets at the begining of this year (Mar25) was NT$14,963 Mil.
Long-Term Debt & Capital Lease Obligation was NT$136 Mil.
Total Current Assets was NT$11,673 Mil.
Total Current Liabilities was NT$5,816 Mil.
Net Income was 135.342 + 102.271 + 195.022 + 267.675 = NT$700 Mil.

Revenue was 1875.777 + 1695.65 + 2374.251 + 2441.479 = NT$8,387 Mil.
Gross Profit was 512.299 + 483.793 + 688.329 + 709.89 = NT$2,394 Mil.
Average Total Assets from the begining of last year (Mar24)
to the end of last year (Mar25) was
(14275.48 + 13371.376 + 13599.528 + 14578.513 + 14963.29) / 5 = NT$14157.6374 Mil.
Total Assets at the begining of last year (Mar24) was NT$14,275 Mil.
Long-Term Debt & Capital Lease Obligation was NT$88 Mil.
Total Current Assets was NT$9,935 Mil.
Total Current Liabilities was NT$4,919 Mil.

*Note: If the latest quarterly/semi-annual/annual total assets data is 0, then we will use previous quarterly/semi-annual/annual data for all the items in the balance sheet.

Profitability

Question 1. Return on Assets (ROA)

Net income before extraordinary items for the year divided by Total Assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Quanta Storage's current Net Income (TTM) was 863. ==> Positive ==> Score 1.

Question 2. Cash Flow Return on Assets (CFROA)

Net cash flow from operating activities (operating cash flow) divided by Total Assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Quanta Storage's current Cash Flow from Operations (TTM) was 2,731. ==> Positive ==> Score 1.

Question 3. Change in Return on Assets

Compare this year's return on assets (1) to last year's return on assets.

Score 1 if it's higher, 0 if it's lower.

ROA (This Year)=Net Income/Total Assets (Mar25)
=862.626/14963.29
=0.05764949

ROA (Last Year)=Net Income/Total Assets (Mar24)
=700.31/14275.48
=0.04905684

Quanta Storage's return on assets of this year was 0.05764949. Quanta Storage's return on assets of last year was 0.04905684. ==> This year is higher. ==> Score 1.

Question 4. Quality of Earnings (Accrual)

Compare Cash flow return on assets (2) to return on assets (1)

Score 1 if CFROA > ROA, 0 if CFROA <= ROA.

Quanta Storage's current Net Income (TTM) was 863. Quanta Storage's current Cash Flow from Operations (TTM) was 2,731. ==> 2,731 > 863 ==> CFROA > ROA ==> Score 1.

Funding

Question 5. Change in Gearing or Leverage

Compare this year's gearing (long-term debt divided by average total assets) to last year's gearing.

Score 0 if this year's gearing is higher, 1 otherwise.

Gearing (This Year: Mar26)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Mar25 to Mar26
=135.993/18101.2064
=0.00751292

Gearing (Last Year: Mar25)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Mar24 to Mar25
=87.782/14157.6374
=0.00620033

Quanta Storage's gearing of this year was 0.00751292. Quanta Storage's gearing of last year was 0.00620033. ==> Last year is lower than this year ==> Score 0.

Question 6. Change in Working Capital (Liquidity)

Compare this year's current ratio (current assets divided by current liabilities) to last year's current ratio.

Score 1 if this year's current ratio is higher, 0 if it's lower

Current Ratio (This Year: Mar26)=Total Current Assets/Total Current Liabilities
=11673.495/5815.513
=2.00730271

Current Ratio (Last Year: Mar25)=Total Current Assets/Total Current Liabilities
=9935.015/4919.495
=2.01951928

Quanta Storage's current ratio of this year was 2.00730271. Quanta Storage's current ratio of last year was 2.01951928. ==> Last year's current ratio is higher ==> Score 0.

Question 7. Change in Shares in Issue

Compare the number of shares in issue this year, to the number in issue last year.

Score 0 if there is larger number of shares in issue this year, 1 otherwise.

Quanta Storage's number of shares in issue this year was 278.948. Quanta Storage's number of shares in issue last year was 278.89. ==> There is larger number of shares in issue this year. ==> Score 0.

Efficiency

Question 8. Change in Gross Margin

Compare this year's gross margin (Gross Profit divided by sales) to last year's.

Score 1 if this year's gross margin is higher, 0 if it's lower.

Gross Margin (This Year: TTM)=Gross Profit/Revenue
=2577.253/9321.617
=0.27648132

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=2394.311/8387.157
=0.28547349

Quanta Storage's gross margin of this year was 0.27648132. Quanta Storage's gross margin of last year was 0.28547349. ==> Last year's gross margin is higher ==> Score 0.

Question 9. Change in asset turnover

Compare this year's asset turnover (total sales for the year divided by total assets at the beginning of the year) to last year's asset turnover ratio.

Score 1 if this year's asset turnover ratio is higher, 0 if it's lower

Asset Turnover (This Year)=Revenue/Total Assets at the Beginning of This Year (Mar25)
=9321.617/14963.29
=0.62296574

Asset Turnover (Last Year)=Revenue/Total Assets at the Beginning of Last Year (Mar24)
=8387.157/14275.48
=0.58752189

Quanta Storage's asset turnover of this year was 0.62296574. Quanta Storage's asset turnover of last year was 0.58752189. ==> This year's asset turnover is higher. ==> Score 1.

Evaluation

Piotroski F-Score= Que. 1+ Que. 2+ Que. 3+Que. 4+Que. 5+Que. 6+Que. 7+Que. 8+Que. 9
=1+1+1+1+0+0+0+0+1
=5

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Quanta Storage has an F-score of 5 indicating the company's financial situation is typical for a stable company.

Frequently Asked Questions Learn more about Piotroski F-Score →
What does a Piotroski F-Score of 5 mean?
Quanta Storage (ROCO:6188) has a Piotroski F-Score of 5 as of Jul. 22, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Quanta Storage and its competitors. This is 17% below median its historical median of 6.00. Over the past decade, Quanta Storage's Piotroski F-Score has ranged from 4.00 to 8.00. According to the industry distribution chart, Quanta Storage ranks #215 out of 2427 companies in the Hardware industry, placing it in the top 8.9%.
Is Quanta Storage's Piotroski F-Score too high?
Quanta Storage's current Piotroski F-Score of 5 is 17% below median its 10-year median of 6.00. Over the past 10 years, this metric has ranged from a low of 4.00 to a high of 8.00. The Hardware industry median Piotroski F-Score is 5.00. Quanta Storage's value of 5 is 0% at this industry median. Based on the distribution chart, Quanta Storage ranks #215 out of 2427 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Quanta Storage has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Quanta Storage's Piotroski F-Score compare to SNDK and DELL?
According to the Hardware industry distribution chart, Quanta Storage ranks #215 out of 2427 companies for Piotroski F-Score. This places Quanta Storage in the top 9% of its industry — outperforming the majority of peers. The industry median Piotroski F-Score is 5.00. Quanta Storage's value of 5 is 0% at this benchmark. Historically, Quanta Storage's own Piotroski F-Score has ranged from 4.00 to 8.00 over the past decade. While the company's 10-year median is 6.00 vs. the industry median of 5.00, Quanta Storage has consistently been at 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 Piotroski F-Score for a Hardware company?
The median Piotroski F-Score among Hardware companies is 5.00, based on 2,427 companies in the industry. Companies in the top quartile (top 25%) have a Piotroski F-Score significantly above this median, while those in the bottom quartile fall well below. However, Piotroski F-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Quanta Storage's current Piotroski F-Score of 5 is 0% at 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 Piotroski F-Score mean?
A high Piotroski F-Score can signal that a stock is expensive relative to its fundamentals. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Quanta Storage and its competitors. For the Hardware industry, the median Piotroski F-Score is 5.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Quanta Storage's current Piotroski F-Score is 5, which is 17% below median its own 10-year median of 6.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quanta Storage stock overvalued right now?
Based on GuruFocus' analysis, Quanta Storage (ROCO:6188) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$93.27, compared to a current price of NT$71.70 — trading 23.1% below its estimated fair value. The current Piotroski F-Score is 5, which is 17% below median its 10-year median of 6.00 and 0% at the Hardware industry median of 5.00. Quanta Storage's overall GF Score™ is 65/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Piotroski F-Score calculated?
Piotroski F-Score is calculated from a company's financial statements. For Quanta Storage (ROCO:6188), the current Piotroski F-Score is 5 as of Jul. 22, 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 Quanta Storage (ROCO:6188) Overvalued in 2026?

Based on GuruFocus' analysis, Quanta Storage stock appears to be undervalued. The current stock price of NT$71.70 is trading 23.1% below its estimated GF Value™ of NT$93.27. GuruFocus considers Quanta Storage to be Modestly Undervalued.

Key valuation signals for ROCO:6188:

  • Piotroski F-Score: 5 (17% below median its 10-year median of 6.00)
  • GF Value™: NT$93.27 vs. price of NT$71.70 (23.1% below fair value)
  • GF Score™: 65/100 with 2 warning signs
  • Industry Position: 0% at the Hardware median (#215 of 2427)

No single metric tells the full story. See the ROCO:6188 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Quanta Storage Business Description

Address No. 58-2, Huaya 2nd Road, 6th Floor, Guishan District, Taoyuan, TWN, 333411
Quanta Storage Inc is engaged in the research, development, production, manufacturing, & selling of data storage and processing equipment, electronic components, & optical instruments. The Group has three reportable segments: The Mainland China Operation center, the Southeast Asia Operation center, & the Taiwan Operation center. The Mainland China Operation Center includes OEM, production, & sales of computer peripherals to computer companies. The Southeast Asia Operation Center is engaged in the OEM, production, & sales of consumer electronic products. The Taiwan Operation Center's main activities include the sales & trading of electronic products & raw materials. Other segments are mainly engaged in activities pertaining to investment, including strategic investment & fund investment.
65GF Score

Get the complete analysis for ROCO:6188

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

NT$71.70
Price
NT$93.27
GF Value