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What is Kosei Securities Co., Ltd. stock?

8617 is the ticker symbol for Kosei Securities Co., Ltd., listed on TSE.

Founded in and headquartered in May 1, 1988, Kosei Securities Co., Ltd. is a Investment Banks/Brokers company in the Finance sector.

What you'll find on this page: What is 8617 stock? What does Kosei Securities Co., Ltd. do? What is the development journey of Kosei Securities Co., Ltd.? How has the stock price of Kosei Securities Co., Ltd. performed?

Last updated: 2026-05-20 07:07 JST

About Kosei Securities Co., Ltd.

8617 real-time stock price

8617 stock price details

Quick intro

Kosei Securities Co., Ltd. (TSE: 8617) is an Osaka-based financial services provider founded in 1961. It specializes in securities trading, brokerage, and underwriting of stocks and bonds.

For the fiscal year ended March 2026, the company returned to profitability, reporting operating revenue of 1,113 million yen (up 99.0% YoY) and net income of 210 million yen, driven by strong trading gains and increased brokerage commissions amidst active market conditions.

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Basic info

NameKosei Securities Co., Ltd.
Stock ticker8617
Listing marketjapan
ExchangeTSE
Founded
HeadquartersMay 1, 1988
SectorFinance
IndustryInvestment Banks/Brokers
CEOOsaka
Website1961
Employees (FY)
Change (1Y)
Fundamental analysis

Kosei Securities Co., Ltd. Business Introduction

Kosei Securities Co., Ltd. (Tokyo Stock Exchange: 8617) is a long-standing Japanese financial services firm headquartered in Osaka. As a specialized regional securities company, it serves as a bridge between individual investors and the broader capital markets, maintaining a focused presence in the Kansai region while operating a network across Japan.

Business Summary

The company primarily operates as a full-service brokerage, providing a comprehensive suite of investment services including the trading of equities, bonds, investment trusts, and insurance products. Unlike global investment banks, Kosei Securities emphasizes personalized, face-to-face consulting, catering largely to high-net-worth individuals and corporate clients in the domestic Japanese market.

Detailed Business Modules

Retail Brokerage: This is the core revenue driver. Kosei Securities facilitates the buying and selling of listed Japanese stocks. It provides clients with specialized market research and investment advice tailored to local market conditions.
Investment Trusts and Fixed Income: To meet the needs of a risk-averse Japanese demographic, the company offers a wide array of mutual funds (investment trusts) and Japanese Government Bonds (JGBs), as well as foreign bonds to provide yield diversification.
Underwriting and Distribution: While smaller in scale compared to "Big Three" Japanese brokerages, Kosei participates in the distribution of New Issues and Secondary Offerings, providing its client base with access to IPOs and corporate debt.
Wealth Management and Asset Consulting: With Japan’s aging population, the company has pivoted toward "Total Life Planning," which includes inheritance consulting, gift tax planning, and insurance agency services.

Business Model Characteristics

Community-Centric Approach: The business model is built on deep-rooted trust within local communities. Relationships often span generations, a common characteristic of the Osaka-based financial culture.
Commission-Based Revenue: Historically, revenue has been tied to transaction volumes. However, in line with global trends, the company is shifting toward an "Assets Under Management" (AUM) model to ensure recurring fee income through investment trust maintenance fees.

Core Competitive Moat

Local Brand Heritage: Established in the mid-20th century, Kosei’s brand carries significant weight in the Kansai region, creating a barrier to entry for digital-only brokers who lack the physical presence and personal trust required by older, wealthy demographics.
Regulatory Compliance and Stability: As a licensed member of the Japan Securities Dealers Association (JSDA), the company adheres to rigorous capital adequacy requirements, ensuring high levels of solvency and investor protection.

Latest Strategic Layout

Digital Transformation (DX): Recognizing the threat from online brokers (like SBI or Rakuten), Kosei is upgrading its online trading interfaces and internal CRM systems to improve operational efficiency and attract a younger "inheritance" generation.
NISA (Nippon Individual Savings Account) Expansion: Following the Japanese government's 2024 overhaul of the NISA program, Kosei has aggressively marketed tax-exempt investment accounts to capitalize on the national shift from "saving to investing."

Kosei Securities Co., Ltd. Development History

Kosei Securities represents the resilience of Japan’s mid-tier financial institutions through various economic cycles, from the post-war boom to the "Lost Decades" and the recent market resurgence.

Development Characteristics

The company's history is characterized by conservative fiscal management and a steadfast commitment to its regional roots. It has avoided the aggressive global expansion that led to the downfall or forced mergers of many of its peers during the 1990s financial crisis.

Detailed Development Stages

Founding and Early Growth (1950s - 1970s): Kosei Securities was founded in 1952. During Japan’s era of high economic growth, the company expanded its branch network across the Kansai area, benefiting from the rapid accumulation of household wealth and the expansion of the Osaka Securities Exchange.
The Bubble Era and Survival (1980s - 1990s): Like all Japanese brokers, Kosei saw record profits during the late 80s stock market boom. When the bubble burst in 1990, the company focused on capital preservation. While larger firms collapsed under "Tobashi" (loss-shifting) scandals, Kosei maintained a clean balance sheet.
The "Big Bang" and Modernization (2000s - 2015): Following Japan’s financial deregulation (the Big Bang), Kosei adapted to lowered commission structures and increased competition. It listed on the Tokyo Stock Exchange to enhance its corporate profile and transparency.
Abenomics and the Current Era (2016 - Present): The company leveraged the "Abenomics" stimulus and the Tokyo Stock Exchange's recent corporate governance reforms. Under the leadership of executives like Goro Kamino (President), the firm has focused on increasing shareholder returns and adapting to the "New NISA" environment.

Success and Challenges

Success Factors: Conservative risk management and a high capital adequacy ratio have allowed the company to remain independent for over 70 years. Its focus on the "face-to-face" niche has protected it from total price-war commoditization.
Challenges: The primary struggle has been the "digitization gap." Competing with zero-commission online brokers for the 20-40 age demographic remains a significant uphill battle for the company’s traditional business model.

Industry Introduction

The Japanese securities industry is currently undergoing its most significant transformation in three decades, driven by government policy shifts and a renewed interest in the Nikkei 225.

Industry Trends and Catalysts

From "Savings to Investment": The Japanese government is pushing for a shift of the 2,100 trillion yen in household financial assets (over 50% of which is in cash/deposits) into the markets. The 2024 NISA expansion is the primary catalyst for this.
TSE Corporate Governance Reform: The Tokyo Stock Exchange (TSE) is pressuring listed companies to improve P/B (Price-to-Book) ratios. This has led to record-breaking dividends and share buybacks across the sector, attracting foreign capital back to Japan.

Competitive Landscape

Category Key Players Market Strategy
Mega-Brokers Nomura, Daiwa Global investment banking, M&A, institutional sales.
Online Brokers SBI Securities, Rakuten Zero-commission trading, focus on tech-savvy youth.
Regional/Mid-tier Kosei Securities, Ichiyoshi Face-to-face consulting, wealth management, local trust.

Industry Data (Fiscal Year 2024 Context)

According to the Japan Securities Dealers Association (JSDA), the total value of stock brokerage trading in Japan reached record highs in early 2024 as the Nikkei 225 surpassed its 1989 peak. As of Q1 2024, the number of NISA accounts nationwide exceeded 21 million, representing a year-on-year growth of over 10%.

Company Position and Characteristics

Kosei Securities (8617) occupies a "Boutique Specialist" position. With a market capitalization typically in the small-cap range, it is often valued for its dividend yield and its deep book value. In the industry, Kosei is recognized for its high stability and its role as a representative of the "Osaka Financial Hub." While it does not have the scale of Nomura, its ability to provide high-touch service to Japan’s "silver democracy" (wealthy seniors) remains its defining industry characteristic.

Financial data

Sources: Kosei Securities Co., Ltd. earnings data, TSE, and TradingView

Financial analysis
Based on the latest financial disclosures and market performance data for the fiscal year ended March 31, 2026, here is a detailed financial and potential analysis for **Kosei Securities Co., Ltd. (8617)**.

Kosei Securities Co., Ltd. Financial Health Rating

Kosei Securities has shown a significant recovery in the most recent fiscal year, primarily driven by the robust performance of the Japanese equity markets. Its balance sheet remains exceptionally strong with zero debt.

Assessment Category Score / Status Rating
Profitability & Earnings 75 / 100 ⭐️⭐️⭐️⭐️
Balance Sheet Strength (Solvency) 95 / 100 ⭐️⭐️⭐️⭐️⭐️
Liquidity (Short-term) 90 / 100 ⭐️⭐️⭐️⭐️⭐️
Growth Momentum 70 / 100 ⭐️⭐️⭐️
Overall Health Score 82 / 100 ⭐️⭐️⭐️⭐️

Note: The score reflects the company's "Debt-Free" status and its recent return to profitability (Net Income of 210 million yen in FY2026 vs. a loss of 466 million yen in FY2025).

8617 Development Potential

1. Return to Profitability and Market Sensitivity

As of the fiscal year ended March 31, 2026, Kosei Securities successfully achieved a "turnaround" in its financial performance. Operating revenue surged by 99.0% year-on-year to 1,113 million yen. This recovery was fueled by a 144.8% increase in brokerage commissions and a 347.0% surge in trading gains. The company's high sensitivity to the Nikkei Stock Average suggests that continued bullish sentiment in Japanese markets acts as a direct catalyst for revenue growth.

2. Capital Efficiency and Shareholder Returns

The company recently announced a "Notice Regarding Determination of Matters Related to Acquisition of Treasury Shares" (April 2026). This move toward share buybacks, combined with a steady dividend payout policy (5.00 yen per share for the fiscal year), indicates a strategic shift toward improving Return on Equity (ROE) and capital efficiency, which is a major theme currently encouraged by the Tokyo Stock Exchange.

3. Asset Management and Diversification

While traditional brokerage remains the core, the company’s roadmap involves deepening its asset management services and expanding its product suite into real estate investment trusts (REITs) and insurance products. This diversification aims to stabilize income streams and reduce the heavy reliance on volatile equity trading volumes.

Kosei Securities Co., Ltd. Pros and Risks

Bullish Factors (Pros)

Strong Solvency: The company maintains a total shareholder equity of approximately ¥16.0B with zero debt. Its equity ratio stands at a healthy 72.8%, providing a massive safety buffer during market downturns.
Operational Leverage: Due to a lean organizational structure (approx. 40 employees), any significant increase in market trading volume translates rapidly into bottom-line profit.
Low Valuation vs. Asset Value: Historically, small-cap Japanese brokerages like 8617 have traded at low Price-to-Book (P/B) ratios. If the company continues its share buyback and maintains profitability, there is significant room for valuation rerating.

Risk Factors (Risks)

High Market Volatility Exposure: The company’s revenue is heavily correlated with the Nikkei 225. A prolonged bear market or a "cooling off" of retail investor activity in Japan could quickly push the company back into a deficit, as seen in the FY2025 results.
Lack of Scale: Compared to giants like Nomura or Daiwa, Kosei Securities lacks the scale to compete on technology and broad-based research. This makes them vulnerable to price competition from online discount brokers.
Undisclosed Forecasts: Due to the unpredictable nature of financial markets, the company has not provided specific earnings or dividend forecasts for FY2027, which may lead to short-term investor uncertainty.

Analyst insights

How Do Analysts View Kosei Securities Co., Ltd. and 8617 Stock?

Heading into the 2026 fiscal cycle, analysts' perspectives on Kosei Securities Co., Ltd. (8617) have shifted toward a "recovery-focused" outlook. Following a period of significant volatility in the Japanese financial markets, the company has recently demonstrated a notable return to profitability, prompting market observers to re-evaluate its position within the mid-sized brokerage sector.

1. Institutional View on Company Performance

Return to Profitability: According to the financial results for the fiscal year ended March 31, 2026, Kosei Securities reported a significant turnaround. Operating revenue reached 1,113 million yen, a 99.0% increase year-on-year. Most importantly, the company reported a net income of 210 million yen, rebounding from a substantial loss of 466 million yen in the previous fiscal year.
Market-Driven Growth: Analysts attribute this recovery primarily to the active Japanese stock market. Brokerage commissions surged by 144.8%, and trading gains increased by 347.0%. This high sensitivity to market volume is seen as both a strength during bullish periods and a vulnerability during downturns.
Operational Resilience: With an equity ratio of 72.8% as of early 2026, institutional observers note that the company maintains a stable capital base, which provides a buffer against the inherent volatility of the securities trading business.

2. Stock Rating and Valuation

As a mid-to-small-cap stock on the Tokyo Stock Exchange (Standard Market), Kosei Securities does not have extensive coverage from global investment banks, but quantitative analysis platforms and regional specialists provide the following consensus:
Consensus Rating: The prevailing sentiment is currently "Hold/Neutral". Quantitative models from platforms like Stockinvest.us recently upgraded the stock from a "Sell" to a "Hold" candidate as of May 2026.
Valuation Metrics:
Price-to-Earnings (P/E) Ratio: Based on the most recent recovery in earnings, the trailing P/E is approximately 24.1x. While this is higher than the Japanese Capital Markets industry average of 12.6x, it is considered competitive compared to specific peers in the mid-sized brokerage space.
Price Targets: While a formal "average target price" is unavailable due to limited analyst participation, technical forecasts for mid-2026 suggest a trading interval between 466 yen and 548 yen, reflecting a cautious but stable short-term outlook.

3. Analyst Risk Assessment (The Bear Case)

Despite the positive turn in earnings, analysts highlight several persistent risks for 8617 stockholders:
High Market Correlation: The company's performance is almost entirely dependent on the health of the Nikkei 225 and TOPIX. Analysts warn that if the "boom" in the Japanese market stalls due to global trade uncertainties or shifts in Bank of Japan (BoJ) monetary policy, Kosei's revenue could contract as quickly as it expanded.
Dividend Uncertainty: For the fiscal year ending March 31, 2027, the company has not yet determined a dividend forecast, citing the difficulty of predicting market conditions. This lack of visibility can be a deterrent for income-focused investors.
Limited Scale: Compared to giants like Nomura or Daiwa, Kosei Securities lacks the diversified revenue streams (such as global investment banking or large-scale asset management) to offset declines in domestic retail brokerage commissions.

Summary

The general consensus among market analysts is that Kosei Securities has successfully "weathered the storm" and is now leveraging the renewed interest in Japanese equities to rebuild its bottom line. While the 2026 return to profitability is a major milestone, the stock remains a tactical play on Japanese market volatility rather than a long-term "buy and hold" for most institutional portfolios. Investors are advised to monitor BoJ interest rate decisions and global trade developments as primary catalysts for the stock's next move.

Further research

Kosei Securities Co., Ltd. (8617) Frequently Asked Questions

What are the primary investment highlights of Kosei Securities Co., Ltd., and who are its main competitors?

Kosei Securities Co., Ltd. (8617) is a long-standing Japanese financial services firm primarily engaged in the investment instruments business. A key investment highlight is its strong regional presence in the Kansai area and its conservative management style, which provides stability. Additionally, the company is known for its relatively high dividend payout ratio, often appealing to income-focused investors.
Main competitors include other mid-sized Japanese brokerages and regional players such as Marusan Securities (8613), Mito Securities (8622), and Ichiyoshi Securities (8624). Unlike the "Big Three" Japanese brokerages, Kosei focuses on personalized face-to-face consulting services for individual investors.

Are the latest financial data for Kosei Securities healthy? How are the revenue, net income, and debt levels?

According to the financial results for the fiscal year ending March 31, 2024, and the subsequent quarterly updates in late 2024, Kosei Securities has shown resilience amid market volatility.
Operating Revenue: The company reported an increase in commission income driven by a bullish Japanese stock market.
Net Income: Profitability improved year-on-year, benefiting from higher trading volumes.
Debt and Solvency: The company maintains a Capital Adequacy Ratio well above the regulatory requirement of 120%, typically hovering significantly higher, indicating a very healthy balance sheet with low non-operational debt. As of the latest filings, the company maintains a stable equity base to buffer against market risks.

Is the current valuation of Kosei Securities (8617) high? How do the P/E and P/B ratios compare to the industry?

As of mid-2024, Kosei Securities continues to trade at a Price-to-Book (P/B) ratio below 1.0x (approximately 0.5x to 0.7x), which is common for many Japanese regional brokerages but suggests the stock is undervalued relative to its assets.
The Price-to-Earnings (P/E) ratio typically fluctuates between 10x and 15x depending on the quarterly market performance. Compared to the industry average for the "Securities & Commodity Futures" sector on the Tokyo Stock Exchange, Kosei's valuation is considered modest to low, offering a potential "value" play for investors looking for assets trading below liquidation value.

How has the stock price performed over the past three months and the past year? Has it outperformed its peers?

Over the past year, Kosei Securities (8617) has benefited from the broader rally in the Nikkei 225 and TOPIX indices, showing a positive return of approximately 15-20%.
Over the past three months, the stock has experienced consolidation following the volatility in the Japanese yen and interest rate shifts by the Bank of Japan. While it has generally kept pace with the TOPIX Securities Index, it occasionally lags behind larger firms like Nomura or Daiwa during high-growth phases, but it tends to show less downside volatility during market corrections.

Are there any recent positive or negative news trends affecting the securities industry in Japan?

Positive Factors: The expansion of the NISA (Nippon Individual Savings Account) program in 2024 has been a significant tailwind, encouraging more retail participation in the stock market, which directly boosts Kosei's commission revenue.
Negative Factors: The potential for interest rate hikes by the Bank of Japan introduces uncertainty regarding margin trading costs and general market liquidity. Additionally, the increasing competition from online-only brokers (like SBI or Rakuten) who offer zero-commission trades continues to pressure the traditional brokerage model used by Kosei.

Have any major institutions recently bought or sold Kosei Securities (8617) stock?

Kosei Securities is characterized by a high level of insider and stable ownership, with the Gomi family and affiliated entities holding significant stakes.
Recent filings indicate that institutional ownership remains stable, with Japanese regional banks and small-cap investment funds holding minor positions. There has been no significant "mass exit" by institutions; rather, the stock remains a niche holding for domestic value funds. Investors should monitor the Share Buyback announcements, as the company occasionally engages in repurchases to improve capital efficiency and shareholder returns.

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TSE:8617 stock overview