Formosa Optical Technology Co (ROCO:5312) Buyback Yield %: 0.00 (As of Jul. 27, 2026)

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ROCO:5312 Formosa Optical Technology Co Ltd ROCO:5312
84 GF Score
Price NT$91.40
GF Value NT$109.14
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Formosa Optical Technology Co Buyback Yield %?

Formosa Optical Technology Co ROCO:5312 -9.05% 84 Buyback Yield % is 0.00 as of Jul. 27, 2026. GuruFocus rates ROCO:5312 with a GF Score™ of 84/100 and a GF Value™ of NT$109.14 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 349 Medical Devices & Instruments companies, Formosa Optical Technology Co ranks worse than 286532.66% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Formosa Optical Technology Co's current buyback yield was 0.00%.


Formosa Optical Technology Co Buyback Yield % Related Terms


Formosa Optical Technology Co Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Formosa Optical Technology Co's Buyback Yield % 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.

Formosa Optical Technology Co Buyback Yield % Chart

Formosa Optical Technology Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Formosa Optical Technology Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Buyback Yield % 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 0.00 0.00 0.00 0.00 0.00

ROCO:5312 vs ISRG, BDX, MDLN: Buyback Yield % Comparison

For the Medical Instruments & Supplies subindustry, Formosa Optical Technology Co's Buyback Yield %, along with its competitors' market caps and Buyback Yield % 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.


Formosa Optical Technology Co Buyback Yield % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Formosa Optical Technology Co's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Formosa Optical Technology Co's Buyback Yield % falls into.


ROCO:5312
84GF Score
Formosa Optical Technology Co Ltd ROCO:5312
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Formosa Optical Technology Co Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Formosa Optical Technology Co's Buyback Yield for the fiscal year that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (0 + 0) / 6066.06
=0.00%

Formosa Optical Technology Co's annualized Buyback Yield for the quarter that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (0 + 0) / 6066.06
=0.00%

* 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.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of 0.00 mean?
Formosa Optical Technology Co (ROCO:5312) has a Buyback Yield % of 0.00 as of Jul. 27, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Formosa Optical Technology Co and its competitors. According to the industry distribution chart, Formosa Optical Technology Co ranks #999999 out of 349 companies in the Medical Devices & Instruments industry.
Is Formosa Optical Technology Co's Buyback Yield % too high?
Formosa Optical Technology Co's current Buyback Yield % is 0.00. Based on the distribution chart, Formosa Optical Technology Co ranks #999999 out of 349 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Formosa Optical Technology Co has a GF Score™ of 84/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Optical Technology Co's Buyback Yield % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Formosa Optical Technology Co ranks #999999 out of 349 companies for Buyback Yield %. This places Formosa Optical Technology Co in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Medical Devices & Instruments company?
A good Buyback Yield % depends on the Medical Devices & Instruments industry context. However, Buyback Yield % 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 Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Formosa Optical Technology Co and its competitors. Formosa Optical Technology Co's current Buyback Yield % is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Formosa Optical Technology Co (ROCO:5312) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$109.14, compared to a current price of NT$91.40 — trading 16.3% below its estimated fair value. The current Buyback Yield % is 0.00. Formosa Optical Technology Co's overall GF Score™ is 84/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Formosa Optical Technology Co (ROCO:5312), the current Buyback Yield % is 0.00 as of Jul. 27, 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 Formosa Optical Technology Co (ROCO:5312) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Optical Technology Co stock appears to be undervalued. The current stock price of NT$91.40 is trading 16.3% below its estimated GF Value™ of NT$109.14. GuruFocus considers Formosa Optical Technology Co to be Modestly Undervalued.

Key valuation signals for ROCO:5312:

  • Buyback Yield %: 0.00
  • GF Value™: NT$109.14 vs. price of NT$91.40 (16.3% below fair value)
  • GF Score™: 84/100 with 4 warning signs

No single metric tells the full story. See the ROCO:5312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Optical Technology Co Business Description

Address No. 97, Xintai 5th Road, 16th Floor, Section 1, Xizhi District, New Taipei City, TWN
Formosa Optical Technology Co Ltd is mainly engaged in the eyewear business, including optometry services and the retail business selling contact lenses and eye drops. The Group mainly derives revenue from the business divisions of Formosa Optical Technology and Bo Wei Optical, with Formosa Optical Technology generating maximum revenue. The majority of revenue is derived from the sale of glasses. The Group generates the majority of its revenue from Taiwan.
84GF Score

Get the complete analysis for ROCO:5312

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

NT$91.40
Price
NT$109.14
GF Value