Japan Securities Finance (JSF)

Confidence: Likely Updated 2026-05-26 Review by 2026-11-20 Sources 3 Machine-translated Original (JA)
#JapanFG#securities#securities-finance#margin#listed-company
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This entry sits under financial-regulators INDEX. Read it against Japan Exchange Group (JPX) for peer / contrast context and securities index for the broader system / regulatory boundary.

TL;DR

Japan Securities Finance is Japan’s listed securities-finance company and a key wholesale layer behind margin trading, stock lending, and securities financing. Official company materials define its business as securities finance under the Financial Instruments and Exchange Act, including loan transactions, securities finance, and securities investment operations.

For FinWiki, JSF links retail margin trading, institutional stock lending, broker funding, and PTS / exchange settlement plumbing on the securities side, with peers like Matsui Securities and infrastructure adjacency to JSCC central clearing.

1. Company overview

ItemReading
Legal nameJapan Securities Finance Co., Ltd.
Japanese name日本証券金融株式会社
Short name日証金 / JSF
Founded1927-07
Securities-finance business start1950-02
Capital10.0 billion yen
ListingTokyo Stock Exchange Prime Market
Core businessSecurities finance under the FIEA

2. Business segment map

LayerFunction
Loan transactionsStandardized financing and stock-lending layer for margin transactions.
Securities financeLending, borrowing, and collateralized finance tied to listed securities.
Securities investmentInvestment and treasury operations.
Trust-bank adjacencyJSF group includes trust-bank functions through Nisshokin Trust Bank.

3. Strategy and competition

JSF is a quiet infrastructure company. Its importance rises when:

  • retail margin trading expands;
  • stock lending and short-selling demand increase;
  • PTS markets require borrow / lend and clearing-linked settlement support;
  • collateral and securities-finance conditions become stress indicators.

4. Regulation and policy

JSF operates in the securities-finance layer of the FIEA ecosystem. It is not an exchange, but it is tightly connected to exchange-market liquidity, margin regulation, broker risk management, and securities lending.

Sources

  • Japan Securities Finance: Company outline.
  • Japan Securities Finance: IR materials.
  • FSA: Financial instruments business operator list.