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システム概要（arrowhead） | 日本取引所グループ

https://www.jpx.co.jp/systems/equities-trading/01.html

April 7, 2026 at 08:02 PM JST•The archive page, viewer, and downloads use this saved version.

April 7, 2026 at 08:02 PM JST·www.jpx.co.jp

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システム概要（arrowhead） | 日本取引所グループ

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Original URLhttps://www.jpx.co.jp/systems/equities-trading/01.html

StartedApril 7, 2026 at 08:02 PM JST

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About this pageAI generated

This page describes Japan Exchange Group's equity trading system "arrowhead," which launched in January 2010. The fourth-generation "arrowhead4.0" began operations in November 2024 to enhance market users' convenience and international competitiveness. The system features ultra-high speed with order response times of approximately 0.2 milliseconds and information delivery times of 0.5 milliseconds. It ensures reliability through triple-redundant servers and offers flexible capacity expansion. Key functions include order acceptance, risk management, matching, and various order types. The latest version implements extended trading hours and closing auction features.

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