pc
nid 94237
Jul 24, 2026
ggallwey@vixio.com
Japan
Financial Services Agency
financial services
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2290 charsJapan's Financial Services Agency Publishes Supplementary Guidelines for Supervision of High Speed Traders
On July 2026, the Financial Services Agency (FSA) published comprehensive supplementary guidelines for the supervision of high speed traders (HST). The guidelines establish a framework for supervisory bureaus and regional finance offices to oversee high speed trading activities, which involve the automated ordering, modification, and cancellation of financial instruments at extremely high speed using algorithms.
The FSA recognises that high speed trading provides liquidity to financial markets and benefits general investors through narrower bid-offer spreads. However, the guidelines address concerns regarding market stability, fairness among investors, price formation, and system vulnerabilities. The guidelines apply to high speed traders who are not classified as financial instruments business operators, reflecting the FSA's intent to calibrate supervisory requirements proportionately to their business characteristics, size, and complexity.
The guidelines establish supervisory evaluation points across three key areas: governance, appropriateness of business operations, and administrative procedures. On governance, supervisors examine officer eligibility, adequate staffing levels, and the control environment. Regarding business operations, the FSA requires high speed traders to establish internal rules, implement control mechanisms to prevent abnormal operations and unfair trading practices, and develop trading criteria to prevent market manipulation. The guidelines specify examination items for registration, including assessment of human resources management systems, staff expertise and experience, and qualifications of officers and employees.
Regional Finance Bureaus and FSA divisions implement supervisory processes based on these guidelines. Directors-general of Regional Finance Bureaus must consult with the FSA Commissioner before refusing registration, issuing administrative dispositions, dismissing officers, or conducting investigations. The guidelines establish procedures for registration, including application requirements, supporting documentation, registration numbering, and registry management. Supervisors may require submission of reports, issue business improvement orders, or suspend operations where serious violations are identified.
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2885 charsJapan's Financial Services Agency Publishes Supplementary Guidelines for Supervision of High Speed Traders
On July 24, 2026, the Financial Services Agency (FSA) published its supplementary Guidelines for Supervision of High Speed Traders. The document sets out the supervisory concepts, evaluation criteria and administrative procedures applied by the FSA and Regional Finance Bureaus when supervising High Speed Traders (HSTs) under the Financial Instruments and Exchange Act (FIEA).
The guidance explains how supervisors will assess compliance with existing requirements addressing risks to market stability, fairness among investors and the resilience of algorithmic trading systems. Key elements of the supervisory framework include:
Governance and staffing Supervisors will assess whether HSTs maintain adequate management expertise, compliance oversight and staffing. Compliance functions should be independent of investment decision-making functions. Officers and key personnel are also assessed against eligibility criteria concerning previous breaches of financial laws, criminal convictions and connections with organised crime groups.
Operational and system controls To prevent market disruption and abnormal operations, supervisors will assess whether HSTs maintain appropriate controls, including hard and soft order limits, order-monitoring mechanisms, kill switches capable of cancelling abnormal orders, system capacity testing and contingency plans.
Prevention of unfair trading HSTs should maintain internal controls, trading criteria and screening arrangements designed to prevent insider trading, market manipulation and other unfair trading practices. Internal control functions should periodically assess the effectiveness of these arrangements and revise them where necessary.
Registration and strategy categorisation Applicants must clearly describe the basic mechanisms of their trading strategies in their operational procedures documents. Strategies should be categorised as market-making, arbitrage, directional or other. The guidance also establishes procedures for inspecting the Registry of High Speed Traders in person or by email.
Cross-border supervision For foreign corporate and individual applicants, supervisors will determine whether the relevant home-state regulator is a signatory to the International Organization of Securities Commissions Multilateral Memorandum of Understanding . Where it is not, the FSA may contact the foreign regulator to assess its ability to cooperate with Japanese investigations.
The guidelines also describe the supervisory actions available where deficiencies are identified. Depending on the seriousness of the issue, the FSA may request reports, conduct in-depth hearings, issue a business improvement or suspension order, require the dismissal of an officer, or revoke an HST’s registration. The FSA states that these criteria will be applied proportionately rather than mechanically or uniformly to every firm.