Keystone Microtech (ROCO:6683) Margin of Safety % (DCF FCF Based): -215.02% (As of Jul. 16, 2026)

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Director of Data and Quant Analytics at GuruFocus
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ROCO:6683 Keystone Microtech Corp ROCO:6683
79 GF Score
Price NT$1,350.00
GF Value NT$486.03
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Keystone Microtech Margin of Safety % (DCF FCF Based)?

Keystone Microtech ROCO:6683 -8.16% 79 Margin of Safety % (DCF FCF Based) is -215.02% as of Jul. 16, 2026. GuruFocus rates ROCO:6683 with a GF Score™ of 79/100 and a GF Value™ of NT$486.03 (Significantly Overvalued). The stock has 2 warning signs investors should review.

Margin of Safety % (DCF FCF Based) = (Intrinsic Value: DCF (FCF Based) - Current Price) / Intrinsic Value: DCF (FCF Based).

Note: Discounted FCF model is only suitable for predictable companies (Business Predictability Rank higher than 1-Star). If the company's Predictability Rank is 1-Star or Not Rated, result may not be accurate due to the low predictability of business and the data will not be stored into our database.

As of today (2026-07-16), Keystone Microtech's Predictability Rank is 4.5-Stars. Keystone Microtech's intrinsic value calculated from the Discounted FCF model is NT$267.35 and current share price is NT$1350.00. Consequently,

Keystone Microtech's Margin of Safety % (DCF FCF Based) using Discounted FCF model is -215.02%.

ROCO:6683 vs AMAT, LRCX, KLAC: Margin of Safety % (DCF FCF Based) Comparison

For the Semiconductor Equipment & Materials subindustry, Keystone Microtech's Margin of Safety % (DCF FCF Based), along with its competitors' market caps and Margin of Safety % (DCF FCF Based) 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.

Keystone Microtech Margin of Safety % (DCF FCF Based) vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Keystone Microtech's Margin of Safety % (DCF FCF Based) distribution charts can be found below:

* The bar in red indicates where Keystone Microtech's Margin of Safety % (DCF FCF Based) falls into.


ROCO:6683
79GF Score
Keystone Microtech Corp ROCO:6683
Margin of Safety % (DCF FCF Based) is just one metric. See GF Score™, valuation, warning signs, and more.
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Keystone Microtech Margin of Safety % (DCF FCF Based) Calculation

Keystone Microtech's Margin of Safety % (DCF FCF Based) for today is calculated as

Margin of Safety % (DCF FCF Based)=(Intrinsic Value: DCF (FCF Based)-Current Price)/Intrinsic Value: DCF (FCF Based)
=(428.55-1350.00)/428.55
=-215.02 %

* 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.

The intrinsic value is calculated from the Discounted FCF model with default parameters. The calculation method is the same as Discounted Earnings model except free cash flow are used in the calculation instead of earnings per share.

What does a Margin of Safety % (DCF FCF Based) of -215.02% mean?
Keystone Microtech (ROCO:6683) has a Margin of Safety % (DCF FCF Based) of -215.02% as of Jul. 16, 2026. Margin of Safety % (DCF FCF Based) is the percent difference between the current price and the intrinsic DCF FCF price. View historical data on Keystone Microtech.
Is Keystone Microtech's Margin of Safety % (DCF FCF Based) too high?
Keystone Microtech's current Margin of Safety % (DCF FCF Based) is -215.02%. Overall, Keystone Microtech has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Keystone Microtech's Margin of Safety % (DCF FCF Based) compare to AMAT and LRCX?
Keystone Microtech's Margin of Safety % (DCF FCF Based) of -215.02% can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Margin of Safety % (DCF FCF Based) for a Semiconductors company?
A good Margin of Safety % (DCF FCF Based) depends on the Semiconductors industry context. However, Margin of Safety % (DCF FCF Based) should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Margin of Safety % (DCF FCF Based) mean?
A high Margin of Safety % (DCF FCF Based) can signal that a stock is expensive relative to its fundamentals. Margin of Safety % (DCF FCF Based) is the percent difference between the current price and the intrinsic DCF FCF price. View historical data on Keystone Microtech. Keystone Microtech's current Margin of Safety % (DCF FCF Based) is -215.02%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Keystone Microtech stock overvalued right now?
Based on GuruFocus' analysis, Keystone Microtech (ROCO:6683) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$486.03, compared to a current price of NT$1,350.00 — trading 177.8% above its estimated fair value. The current Margin of Safety % (DCF FCF Based) is -215.02%. Keystone Microtech's overall GF Score™ is 79/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Margin of Safety % (DCF FCF Based) calculated?
Margin of Safety % (DCF FCF Based) is calculated from a company's financial statements. For Keystone Microtech (ROCO:6683), the current Margin of Safety % (DCF FCF Based) is -215.02% as of Jul. 16, 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 Keystone Microtech (ROCO:6683) Overvalued in 2026?

Based on GuruFocus' analysis, Keystone Microtech stock appears to be overvalued. The current stock price of NT$1,350.00 is trading 177.8% above its estimated GF Value™ of NT$486.03. GuruFocus considers Keystone Microtech to be Significantly Overvalued.

Key valuation signals for ROCO:6683:

  • Margin of Safety % (DCF FCF Based): -215.02%
  • GF Value™: NT$486.03 vs. price of NT$1,350.00 (177.8% above fair value)
  • GF Score™: 79/100 with 2 warning signs

No single metric tells the full story. See the ROCO:6683 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Keystone Microtech Business Description

Address No. 33, Huanke 1st Road, 9th Floor-2, Hsinchu County, Zhubei, TWN, 302047
Keystone Microtech Corp operates as a semiconductor device manufacturing company. The company is mainly an important operating department engaged in the manufacture and sale of various circuit testing solutions for semiconductors, including IC front-end test solutions (probe cards and substrates), IC back-end test solutions (load boards and burn-in boards), and other related testing boards. Geographically, it operates in Taiwan and other regions, out of which the majority of its revenue is derived from Taiwan.
79GF Score

Get the complete analysis for ROCO:6683

Margin of Safety % (DCF FCF Based) is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$1,350.00
Price
NT$486.03
GF Value