fonfun (TSE:2323) Defensive Interval Ratio

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.

TSE:2323 fonfun Corp TSE:2323
64 GF Score
Price 円348.00
GF Value 円434.93
Valuation Modestly Undervalued
! 4 Warning Signs
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What is fonfun Defensive Interval Ratio?

TSE:2323
64GF Score
fonfun Corp TSE:2323
Defensive Interval Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Is fonfun (TSE:2323) Overvalued in 2026?

Based on GuruFocus' analysis, fonfun stock appears to be undervalued. The current stock price of 円348.00 is trading 20% below its estimated GF Value™ of 円434.93. GuruFocus considers fonfun to be Modestly Undervalued.

Key valuation signals for TSE:2323:

  • Defensive Interval Ratio:
  • GF Value™: 円434.93 vs. price of 円348.00 (20% below fair value)
  • GF Score™: 64/100 with 4 warning signs

No single metric tells the full story. See the TSE:2323 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


fonfun Business Description

Address 2-1-6 Sasazuka Shibuya-ku, JMF Building Sasazuka 01, 6th floor, Tokyo, JPN
fonfun Corp provides various content services with a focus on services for the Internet-enabled mobile phone. Its web security business provides web application diagnosis and network diagnostics. Its segments include: Remote mail business, SMS business, Contracted software development business, and Voice mail business. The company derives maximum revenue from SMS business.
64GF Score

Get the complete analysis for TSE:2323

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

円348.00
Price
円434.93
GF Value