Tokyo Stock Exchange-Tokyo Pro Market
A professional-investor market operated within the Tokyo Stock Exchange for equities and bonds.
Last updated August 25, 2026
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Overview
Tokyo Pro Market is a specialized market within the Tokyo Stock Exchange designed for professional investors and companies seeking an alternative route to public-market access. It is part of the Tokyo Stock Exchange, which is operated by Tokyo Stock Exchange, Inc. under the Japan Exchange Group group of companies. Unlike the exchange's broad retail-oriented markets, Tokyo Pro Market is intended for qualified or professional investors and is structured as a market for specified exchange financial products under Japanese regulation. The market originated as Tokyo AIM on June 1, 2009. It was established as a joint initiative between the Tokyo Stock Exchange and the London Stock Exchange, drawing on the London exchange's experience with the Alternative Investment Market, commonly known as AIM. The purpose was to create a more flexible public market framework that could serve companies not yet suited to, or not seeking, admission to Japan's conventional exchange sections. Its alternative-market orientation was reflected in greater flexibility around admission and continuing obligations, while the professional-investor focus limited the intended investor base. The TSE-LSE joint venture was dissolved in March 2012. Following that change, the business became wholly owned by the Tokyo Stock Exchange. In July 2012, it was reorganized as a market section within the Tokyo Stock Exchange and renamed Tokyo Pro Market. The reorganization connected the market more directly with the TSE's broader exchange infrastructure while retaining its specialist-investor character. Tokyo Pro Market comprises two related market segments. Tokyo Pro Market is the equity market, while Tokyo Pro-Bond Market provides a venue for bonds. Together they form Japan's specified exchange financial product market framework. The equity segment can be relevant to emerging, growth-oriented, regional, or otherwise specialized companies that want the visibility and governance framework associated with exchange admission but prefer a market designed for professional participants. Admission and disclosure arrangements are supported by the market's professional-investor structure and by the role of sponsoring or advising parties in the listing process. The market is not simply a synonym for the Tokyo Stock Exchange as a whole, nor is it Japan's general retail equity market. Its positioning is narrower: it provides an alternative listed-market channel, with a specialized regulatory and investor framework. Companies admitted to Tokyo Pro Market may use the market as a step toward broader capital-market recognition, although admission to another TSE market is not automatic and would require meeting the relevant requirements. For investors, the professional-only orientation means that access, eligibility, and information requirements differ from those associated with the exchange's mainstream markets. Tokyo Pro Market remains an operating component of Japan's listed-market ecosystem. Its history reflects a progression from an international joint venture modeled partly on AIM to a domestically integrated professional market under the Tokyo Stock Exchange and Japan Exchange Group. Publicly available reference material identifies its founding structure, 2012 ownership and naming changes, and the existence of both equity and bond segments; detailed current operating statistics, executive assignments, financial metrics, and individual issuer information are not included here because they are not established by the supplied sources.
History
Tokyo Pro Market began as Tokyo AIM on June 1, 2009. It was created through cooperation between the Tokyo Stock Exchange and the London Stock Exchange, whose Alternative Investment Market provided an international reference point for a more flexible alternative-market model. The project was intended to give companies an additional route to public-market admission while concentrating participation on professional investors rather than the full retail investor base. The original structure was a joint venture between the two exchanges. Its design reflected the idea that a specialist market could accommodate companies and transactions requiring a different balance of admission flexibility, disclosure, and investor eligibility from the conventional sections of the Tokyo Stock Exchange. The professional-investor focus was central to the market's identity and later naming. In March 2012, the Tokyo Stock Exchange and London Stock Exchange ended their joint venture. Tokyo AIM then became wholly owned by the Tokyo Stock Exchange. This change removed the joint-venture structure but preserved the market's alternative and professional-investor orientation. In July 2012, the market was brought into the Tokyo Stock Exchange as one of its market sections and renamed Tokyo Pro Market. The new name emphasized its intended audience and distinguished it from the exchange's mainstream equity markets. The market is described as Japan's only specified exchange financial product market under the relevant Japanese framework. The Tokyo Pro Market structure includes an equity market and a bond market. The equity component is known as Tokyo Pro Market, while the bond component is Tokyo Pro-Bond Market. The two segments provide professional-investor venues for listed or admitted securities within the Tokyo Stock Exchange environment. The market's role is therefore broader than a single equity listing venue, although the Tokyo Pro Market name is commonly used for the equity segment and, in some contexts, for the overall specialized market framework. Its principal strategic function is to offer an alternative channel to the Japanese capital markets. Companies may use it when a professional-investor market is more suitable than a general exchange segment, whether because of their size, development stage, business profile, or financing objectives. The market's existence also gives the Tokyo Stock Exchange a specialist platform connected to international alternative-market concepts while remaining integrated into Japan's domestic exchange system. After its 2012 reorganization, Tokyo Pro Market became part of the Tokyo Stock Exchange rather than a separate international joint venture. The supplied reference material does not provide a complete chronology of later rule changes, issuer totals, trading volumes, financial results, or named executives. Those fields are therefore left unfilled rather than inferred.
- 2012
Joint venture dissolved
[1]The Tokyo Stock Exchange and London Stock Exchange dissolved the Tokyo AIM joint venture in March 2012, after which the market became wholly owned by the Tokyo Stock Exchange.
- 2012
Market renamed Tokyo Pro Market
[1]In July 2012, Tokyo AIM was incorporated as a market section of the Tokyo Stock Exchange and renamed Tokyo Pro Market.
- 2009
Tokyo AIM established
[1]Tokyo AIM was launched on June 1, 2009, as a joint initiative of the Tokyo Stock Exchange and the London Stock Exchange, modeled in part on the London exchange's Alternative Investment Market.
Products and positioning
A flexible alternative public market within the Tokyo Stock Exchange, focused on professional investors and specialized equity and bond issuance.
Professional-investor equity market · 2009
Tokyo Pro Market
The equity segment of the Tokyo Stock Exchange's professional-investor market framework. It provides a specialized route for companies seeking exchange admission and trading in Japan under a market structure intended for professional investors. Its alternative-market positioning distinguishes it from the Tokyo Stock Exchange's general retail-oriented sections.
Professional-investor bond market
Tokyo Pro-Bond Market
The bond segment associated with Tokyo Pro Market. It provides a professional-investor venue for bond-related exchange activity within the Tokyo Stock Exchange's specified exchange financial product market framework. Detailed product statistics and issuer information are not established by the supplied references.
Brand decisions
2012
End the Tokyo AIM joint ventureM&ABackground
The Tokyo AIM partnership between the Tokyo Stock Exchange and London Stock Exchange was dissolved in March 2012.
Action taken
The market became wholly owned by the Tokyo Stock Exchange.
Aftermath
The change moved the market from an international joint-venture structure into direct Tokyo Stock Exchange ownership.
2012
Integrate and rename the marketStrategyBackground
After the joint venture ended, the Tokyo Stock Exchange retained the alternative-market concept but reorganized its institutional position.
Action taken
In July 2012, Tokyo AIM became a Tokyo Stock Exchange market section and was renamed Tokyo Pro Market.
Aftermath
The market gained a name and structure explicitly emphasizing professional investors and its place within the Tokyo Stock Exchange.
2009
Create a flexible professional-investor alternative marketStrategyBackground
The Tokyo Stock Exchange and London Stock Exchange sought to create a Japanese alternative-market venue influenced by the London Stock Exchange's AIM model.
Action taken
They established Tokyo AIM as a joint venture on June 1, 2009, with a professional-investor orientation and a more flexible market purpose than conventional exchange sections.
Aftermath
The initiative established the foundation for the market that later became Tokyo Pro Market.
Sources2 sources
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