Keystone Microtech (ROCO:6683) Common Stock: NT$276 Mil (As of Mar. 2026)

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ROCO:6683 Keystone Microtech Corp ROCO:6683
79 GF Score
Price NT$843.00
GF Value NT$513.77
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Keystone Microtech Common Stock?

Keystone Microtech ROCO:6683 -9.94% 79 Common Stock is NT$276 Mil as of Mar. 2026. GuruFocus rates ROCO:6683 with a GF Score™ of 79/100 and a GF Value™ of NT$513.77 (Significantly Overvalued). The stock has 2 warning signs investors should review.

Keystone Microtech's quarterly common stock increased from Sep. 2025 (NT$274 Mil) to Dec. 2025 (NT$275 Mil) and increased from Dec. 2025 (NT$275 Mil) to Mar. 2026 (NT$276 Mil).

Keystone Microtech's annual common stock increased from Dec. 2023 (NT$272 Mil) to Dec. 2024 (NT$274 Mil) and increased from Dec. 2024 (NT$274 Mil) to Dec. 2025 (NT$275 Mil).

Keystone Microtech Common Stock Historical Data

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The historical data trend for Keystone Microtech's Common Stock 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.

Keystone Microtech Common Stock Chart

Keystone Microtech Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial Premium Member Only Premium Member Only 270.76 272.26 272.18 273.88 274.68

Keystone Microtech Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Common Stock 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 273.88 273.77 273.77 274.68 275.57
ROCO:6683
79GF Score
Keystone Microtech Corp ROCO:6683
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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Keystone Microtech Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of NT$276 Mil mean?
Keystone Microtech (ROCO:6683) has a Common Stock of NT$276 Mil as of Mar. 2026. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Keystone Microtech and its competitors.
Is Keystone Microtech's Common Stock too high?
Keystone Microtech's current Common Stock is NT$276 Mil. 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 Common Stock compare to AMAT and LRCX?
Keystone Microtech's Common Stock of NT$276 Mil 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 Common Stock for a Semiconductors company?
A good Common Stock depends on the Semiconductors industry context. However, Common Stock 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 Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Keystone Microtech and its competitors. Keystone Microtech's current Common Stock is NT$276 Mil. 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$513.77, compared to a current price of NT$843.00 — trading 64.1% above its estimated fair value. The current Common Stock is NT$276 Mil. 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 Common Stock calculated?
Common Stock is calculated from a company's financial statements. For Keystone Microtech (ROCO:6683), the current Common Stock is NT$276 Mil as of Mar. 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$843.00 is trading 64.1% above its estimated GF Value™ of NT$513.77. GuruFocus considers Keystone Microtech to be Significantly Overvalued.

Key valuation signals for ROCO:6683:

  • Common Stock: NT$276 Mil
  • GF Value™: NT$513.77 vs. price of NT$843.00 (64.1% 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

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

NT$843.00
Price
NT$513.77
GF Value