• KRX proposed revising Enforcement rules of KOSDAQ market business regulation and Enforcement rules of KOSPI market business regulation to prepare for ATS launch.
• Follows KRX December 2024 proposed rules concerning new types of orders.
• Also follows KRX December 2024 proposed new rules for securities market.

Outline of Revisions

• Establish price determination methods and effective requirements for midpoint orders and stop-limit orders; provide definitions for midpoint orders and stop-limit orders.
• Revamp descriptions on consignment related to the two new order types above.
• Reflect matters re the launch of the alternative trading system (ATS), by establishing whether to designate a trading market in the bid entry items, and modifying the announcement time of the expected opening price to 8:50am from 8:40am.
• Add ATS trading items to the list of items excluded from after-hours single-price trading; include ATS trading amount in the calculation of the trading amount to identify overheated short selling stocks and overheated stocks in the short term.
• Revisions re enacted Securities market clearing and settlement business regulations.

Effectiveness

• Comments shall be submitted by 26 February 2025 for planned effectiveness from 4 March 2025.