Sdi (TPE:2351) Research & Development: NT$269 Mil (TTM As of Dec. 2025)


TPE:2351 Sdi Corp TPE:2351
74 GF Score
Price NT$196.50
GF Value NT$96.69
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Sdi Research & Development?

Sdi TPE:2351 -5.98% 74 Research & Development is NT$269 Mil as of Dec. 2025. GuruFocus rates TPE:2351 with a GF Score™ of 74/100 and a GF Value™ of NT$96.69 (Significantly Overvalued). The stock has 10 warning signs investors should review.

Research & Development is the aggregate amount of research and development expenses during the year. Sdi's Research & Development for the three months ended in Dec. 2025 was NT$74 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Dec. 2025 was NT$269 Mil.

Sdi  (TPE:2351) Research & Development Explanation

If competitive advantage is created by a patent or tech advantage, at some point it will disappear.

High R&D usually dictates high SG&A which threatens the competitive advantage.

Sdi Research & Development Related Terms

Sdi Research & Development Historical Data

* Premium members only.

The historical data trend for Sdi's Research & Development 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.

Sdi Research & Development Chart

Sdi Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Research & Development
Get a 7-Day Free Trial Premium Member Only Premium Member Only 247.85 254.49 242.10 259.17 268.82

Sdi Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Research & Development 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 62.87 62.83 62.36 69.69 73.94
TPE:2351
74GF Score
Sdi Corp TPE:2351
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
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Sdi Research & Development Calculation

This is the expense the company spent on research and development.

Research & Development for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$269 Mil.

* 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.

Frequently Asked Questions Learn more about Research & Development →
What does a Research & Development of NT$269 Mil mean?
Sdi (TPE:2351) has a Research & Development of NT$269 Mil as of Dec. 2025. Research and development expense is the total cost for research and development activities. View historical data on Sdi and its competitors.
Is Sdi's Research & Development too high?
Sdi's current Research & Development is NT$269 Mil. Overall, Sdi has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sdi's Research & Development compare to LRCX and AMAT?
Sdi's Research & Development of NT$269 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 Research & Development for a Semiconductors company?
A good Research & Development depends on the Semiconductors industry context. However, Research & Development 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 Research & Development mean?
A high Research & Development can signal that a stock is expensive relative to its fundamentals. Research and development expense is the total cost for research and development activities. View historical data on Sdi and its competitors. Sdi's current Research & Development is NT$269 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sdi stock overvalued right now?
Based on GuruFocus' analysis, Sdi (TPE:2351) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$96.69, compared to a current price of NT$196.50 — trading 103.2% above its estimated fair value. The current Research & Development is NT$269 Mil. Sdi's overall GF Score™ is 74/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Research & Development calculated?
Research & Development is calculated from a company's financial statements. For Sdi (TPE:2351), the current Research & Development is NT$269 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 Sdi (TPE:2351) Overvalued in 2026?

Based on GuruFocus' analysis, Sdi stock appears to be overvalued. The current stock price of NT$196.50 is trading 103.2% above its estimated GF Value™ of NT$96.69. GuruFocus considers Sdi to be Significantly Overvalued.

Key valuation signals for TPE:2351:

  • Research & Development: NT$269 Mil
  • GF Value™: NT$96.69 vs. price of NT$196.50 (103.2% above fair value)
  • GF Score™: 74/100 with 10 warning signs

No single metric tells the full story. See the TPE:2351 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Sdi Business Description

Address No. 260, Chang Nan Road, Section 2, Chang Hua, TWN
Sdi Corp manufactures and distributes stationary products such as stapler, correction tapes, clips, and other office stationeries. The company's segment includes the Electronic segment and Stationery segment. It generates maximum revenue from the Electronic segment. Geographically, it derives a majority of its revenue from China.
74GF Score

Get the complete analysis for TPE:2351

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

NT$196.50
Price
NT$96.69
GF Value