On the afternoon of April 2, the Ho Chi Minh City Stock Exchange (HOSE) announced that according to the planned plan, the information technology system (KRX) for the Vietnamese stock market may officially operate on May 5, coinciding with the effective date of the April 2025 index.
To ensure the safe and smooth conversion and operation of the system, based on Clause 2.3, Section 2 of the Index Rules, HOSE decided to change the effective date of the VNX-Index, VNDIAMOND, VNFINSELECT indexes for the April period from May 5 to April 28.
In addition, HOSE also changed the effective date of updating the free-float ratio, circulating volume and capitalization ratio limit of the HOSE-Index, VNSI index, and VNFINLEAD index for the April period from May 5 to April 28.
KRX is currently in testing period, from March 17 to April 11.
The KRX system is an information technology system for managing and operating transactions on the Vietnamese stock market, signed by HOSE and the Korea Stock Exchange (KRX) in 2012.
Ho Chi Minh City Stock Exchange
This system helps investors trade odd lots on a separate board and buy and sell securities within the day (T+0), opening up opportunities to increase liquidity and attract strong capital flows.
Thus, after 12 years of implementation and many "delays", the KRX project is about to officially come into operation.
Regarding the new KRX system, HOSE said that when it officially operates, there will be new regulations compared to the current ones.
Specifically, ATO/ATC orders will not take precedence over previously entered limit orders when matching orders. ATO/ATC orders will be displayed at a specific price as limit orders, instead of the current "ATO" or "ATC" symbols.
Edit, cancel matching order: Allows to edit price or volume of unexecuted LO order or remaining part of unexecuted order. Edit to decrease volume → does not change priority order. Edit to increase volume or edit price → changes priority order.
Negotiated Transactions: It is not allowed to edit or cancel a negotiated transaction that has been made on the system. Currently, it can be edited by canceling and re-entering.
Foreign investor transactions: Room decreases when foreign investor's buy order is entered into the system. Room increases when: Buy order is canceled → room increases by canceled volume. Buy order is modified to decrease volume → room increases by decreased volume. Buy offer order is canceled with domestic investor → room increases immediately after cancellation order is entered.
Odd lot transactions: Executed by periodic order matching method (instead of only continuous order matching and agreement as at present).
Restricted securities trading: Securities subject to restricted trading will be allowed to trade all day using the periodic order matching method, instead of only in the afternoon session as before. This process includes periodic order matching sessions every 15 minutes and a closing order matching session.
Show information of 3 bid/ask prices: Shows the 3 best prices expected to remain after the order is matched. Currently shows information of all orders on the trading order book.
Source: https://nld.com.vn/sau-nhieu-lan-tre-hen-he-thong-giao-dich-chung-khoan-moi-krx-se-van-hanh-tu-ngay-5-5-196250402180609566.htm
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