Sunny Optical Technology (Group) Co (STU:SXC) Valuation Rank

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:SXC Sunny Optical Technology (Group) Co Ltd STU:SXC
81 GF Score
Price €6.16
GF Value €9.51
Valuation Significantly Undervalued
! 6 Warning Signs
View Full Analysis

What is Sunny Optical Technology (Group) Co Valuation Rank?

The Valuation Rank measures the current valuation of a business relative to other companies in the same industry and its own historical valuation. The companies are split in equal numbers and then ranked from 1 to 10, with 10 as the most undervalued and 1 as the most overvalued.

  1. Three factors:
    • Absolute valuation (medpsvalue) relative to current stock price, rank among all companies
    • Historical valuation over the past 10 years. Rank pe, ps, pocf, ev2ebit over their own historical values
    • Industry relative valuation
  2. Companies without enough data is not ranked
  3. Companies with negative earnings are ranked lower

These three factors are used to calculate the value score for every eligible company, with values from 1 to 10. The final ranked companies are split in equal numbers and ranked from 1 to 10, with 10 as the most undervalued, and 1 as the most overvalued. The numbers of companies in each rank are the same.

Sunny Optical Technology (Group) Co Valuation Rank Related Terms

STU:SXC
81GF Score
Sunny Optical Technology (Group) Co Ltd STU:SXC
Valuation Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Is Sunny Optical Technology (Group) Co (STU:SXC) Overvalued in 2026?

Based on GuruFocus' analysis, Sunny Optical Technology (Group) Co stock appears to be undervalued. The current stock price of €6.16 is trading 35.2% below its estimated GF Value™ of €9.51. GuruFocus considers Sunny Optical Technology (Group) Co to be Significantly Undervalued.

Key valuation signals for STU:SXC:

  • Valuation Rank:
  • GF Value™: €9.51 vs. price of €6.16 (35.2% below fair value)
  • GF Score™: 81/100 with 6 warning signs

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

Sunny Optical Technology (Group) Co Business Description

Address No. 66-68, Fengle Road, Zhejiang Province, Yuyao, CHN, 315400
Headquartered in Yuyao, China, Sunny Optical is one of China's biggest handset camera module makers and the world's largest handset lens sets manufacturer. Higher-margin lens sets are used in smartphones, vehicles, and extended reality. Sunny Optical is a key beneficiary of the secular growth of extended-reality devices and vehicle camera demand, as advanced driver-assistance systems witness rising adoption among automakers. The firm also manufactures optical instruments, such as high-end microscopes and optical measuring instruments. The company employed over 34,393 people as of Dec. 31, 2025.
81GF Score

Get the complete analysis for STU:SXC

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

€6.16
Price
€9.51
GF Value