TacBright Optronics (ROCO:6434) Common Stock: NT$4,636 Mil (As of Dec. 2025)

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ROCO:6434 TacBright Optronics Corp ROCO:6434
40 GF Score
Price NT$12.60
GF Value NT$4.06
Valuation Significantly Overvalued
! 3 Warning Signs
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What is TacBright Optronics Common Stock?

TacBright Optronics ROCO:6434 -3.82% 40 Common Stock is NT$4,636 Mil as of Dec. 2025. GuruFocus rates ROCO:6434 with a GF Score™ of 40/100 and a GF Value™ of NT$4.06 (Significantly Overvalued). The stock has 3 warning signs investors should review.

TacBright Optronics's quarterly common stock stayed the same from Dec. 2024 (NT$4,636 Mil) to Jun. 2025 (NT$4,636 Mil) and stayed the same from Jun. 2025 (NT$4,636 Mil) to Dec. 2025 (NT$4,636 Mil).

TacBright Optronics's annual common stock stayed the same from Dec. 2023 (NT$4,636 Mil) to Dec. 2024 (NT$4,636 Mil) and stayed the same from Dec. 2024 (NT$4,636 Mil) to Dec. 2025 (NT$4,636 Mil).

TacBright Optronics Common Stock Historical Data

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The historical data trend for TacBright Optronics'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.

TacBright Optronics Common Stock Chart

TacBright Optronics 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 4,636.02 4,636.02 4,636.02 4,636.02 4,636.02

TacBright Optronics Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 4,636.02 4,636.02 4,636.02 4,636.02 4,636.02
ROCO:6434
40GF Score
TacBright Optronics Corp ROCO:6434
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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TacBright Optronics 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$4,636 Mil mean?
TacBright Optronics (ROCO:6434) has a Common Stock of NT$4,636 Mil as of Dec. 2025. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on TacBright Optronics and its competitors.
Is TacBright Optronics' Common Stock too high?
TacBright Optronics' current Common Stock is NT$4,636 Mil. Overall, TacBright Optronics has a GF Score™ of 40/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TacBright Optronics' Common Stock compare to LIN and SHW?
TacBright Optronics' Common Stock of NT$4,636 Mil can be compared against companies in the Chemicals 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 Chemicals company?
A good Common Stock depends on the Chemicals 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 TacBright Optronics and its competitors. TacBright Optronics's current Common Stock is NT$4,636 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TacBright Optronics stock overvalued right now?
Based on GuruFocus' analysis, TacBright Optronics (ROCO:6434) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$4.06, compared to a current price of NT$12.60 — trading 210.3% above its estimated fair value. The current Common Stock is NT$4,636 Mil. TacBright Optronics' overall GF Score™ is 40/100 with 3 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 TacBright Optronics (ROCO:6434), the current Common Stock is NT$4,636 Mil as of Dec. 2025. 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 TacBright Optronics (ROCO:6434) Overvalued in 2026?

Based on GuruFocus' analysis, TacBright Optronics stock appears to be overvalued. The current stock price of NT$12.60 is trading 210.3% above its estimated GF Value™ of NT$4.06. GuruFocus considers TacBright Optronics to be Significantly Overvalued.

Key valuation signals for ROCO:6434:

  • Common Stock: NT$4,636 Mil
  • GF Value™: NT$4.06 vs. price of NT$12.60 (210.3% above fair value)
  • GF Score™: 40/100 with 3 warning signs

No single metric tells the full story. See the ROCO:6434 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

TacBright Optronics Business Description

Address No. 3, Kebei 2nd Road, Hsinchu Science Industrial Park, Miaoli County, ZhunanTownship, Hsinchu, TWN
TacBright Optronics Corp is engaged in synthetic resin and plastic manufacturing, surface treatment, wholesale and retail of chemical raw materials, and electronics. Wholesale and retail of sub-materials and manufacturing of precision chemical materials.
40GF Score

Get the complete analysis for ROCO:6434

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

NT$12.60
Price
NT$4.06
GF Value