Tenbagger Investment Study
2025-10-22 00:47:25

The Viability of Japanese Stocks as a Source for Tenbagger Investments: A Unique Study

The Viability of Japanese Stocks as a Source for Tenbagger Investments



Asunaro Investment Advisors has recently undertaken an investigation into whether Japanese stocks can be credible sources for what are known as 'tenbagger' investments—stocks that increase in value tenfold. This analytical dive is spearheaded by Ichimaru from the firm’s compliance department, who typically engages in checks involving articles and direct mail rather than writing extensive articles.

For over two decades, Ichimaru has examined the securities industry and emphasizes the need for due diligence when recommending tenbaggers. He argues that there’s a responsibility to ensure that potential risks are clearly conveyed, thus avoiding the pitfalls of leading investors to believe that certain outcomes are a certainty.

Background and Methodology


As a certified analyst since 20 years ago, Ichimaru holds a Certificate in Market Analysis (CMA) which equips him with a profound understanding of market mechanisms and financial theories. His rigorous approach, honed through years of practice, emphasizes the importance of analyzing data independently of prevalent media narratives.

For this study, the compliance department employed data from QUICK, analyzing a total of 3,786 companies within the Prime, Standard, and Growth segments. This data was scrutinized for instances of stocks achieving a tenfold increase. A critical aspect of evaluating this phenomenon was defining the timeframe; typically, analyses place significance on indices like the Nikkei, particularly since the Lehman Shock in 2008. However, the Asunaro team used the TOPIX index as a baseline, considering the consumption tax hike agreement in June 2012 as a pivotal moment where Japanese stocks began to recover.

The period under investigation spans from June 1, 2012, to October 10, 2025, focusing on stocks whose price reached at least ten times their lowest value during this timeframe, with specific conditions applied to ensure that these metrics are accurately captured.

Key Findings


The findings reveal that a remarkable 690 stocks, 18.23% of those analyzed, achieved the tenbagger designation: 391 from the Prime section (10.33%), 249 from Standard (6.58%), and only 50 from Growth (1.32%). Notably, small-cap stocks comprised a significant 63% of these tenbagger achievers.

The analysis reveals further insights:
  • - Maximum Increase: 349x (Lasertech 6920, achieved in 2,894 trading days)
  • - Average Multiplier: 22x (arithmetic mean)
  • - Quickest Achievement: 19x (Asaka Riken 5724, in 19 days)
  • - Longest Achievement: 16x (Ebara 6361, over 3,250 days)
  • - Average Days to Achieve: 1,990 trading days

Through this investigation, it was established that roughly one in every 5.5 stocks potentially becomes a tenbagger. However, it’s essential to note that this figure does not account for companies that have delisted or undergone mergers and acquisitions over the same period, indicating a likely underestimation of actual occurrences.

Conclusion


This investigation corroborates Asunaro’s approach to highlighting small-cap equities as viable candidates for tenbagger opportunities. However, due diligence is essential; communication to the public must be cautious, steering clear of absolute assurances while providing clear frameworks and definitions underpinning the findings.

The Asunaro Compliance Department remains committed to validating evidence and maintaining close collaborations with analysts to ensure robust performance evaluation and risk management. They aim to serve as a supportive backbone, allowing analysts to focus on stock discovery without distractions.

For those interested in tenbagger investments, Asunaro invites you to join in their journey of rigorous scrutiny and promotional efforts as they work diligently to uphold a principled investment ethos.

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About Asunaro Investment Advisors


Founded in 2005, Asunaro specializes in individual stock investments and is a registered securities trader. For more information, check out our official channel on YouTube and our website Asunaro Investment. All administrative actions against Asunaro have been resolved as of December 2024.


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Topics Financial Services & Investing)

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