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Securities Trading Rule for Ho Chi Minh Stock Exchange

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1. Trading time:

  • Mornings from Monday to Friday every week (Except for holidays as prescribed by the Labor Code and the SSC’s regulations).
  • Trading time: from 9:00 to 11:30; from 13h00 to 15h00
  • Trading time for stocks and fund certificates is as follows:

Transaction time

Content

Session 1: From 09h00 – 09h15

Determine the opening price

Session 2: From 09:15 to 11:30

From 13h00 – 14h30

Continuous order matching

Session 3: From 14h30 to 14h45

Determine the closing price

09h00 – 11h30; 13h00 – 15h00  

Negotiable transaction

  • Trading time for Bonds is as follows: Transaction by negotiable method from 09:00 to 11:30; from 13:00 to 15:00 on trading days.

2. Stock lot:

  • For stocks and fund certificates:

+ Odd lot: is a securities lot with the quantity from 01 to 09 securities. Customers are only allowed to make retail trades of retail lots directly with the securities company at the agreed-upon price with a fluctuation range (±% of the amplitude) compared to the reference price of the day.

+ Even lot: Is a securities lot with the quantity from 100 to 19,900 securities and is a multiple of 100. Transactions in the form of periodic and continuous order matching.

+ Large lot: A securities lot with the quantity of 20,000 securities or more. Transactions by agreement. The agreed price is within the price fluctuation range.

  • For bonds: No limit on volume and order price. Transactions by agreement.

3. Command type:

  • Limit order: An order that the customer accepts at a buy or sell price within the range between the ceiling price and the floor price.
  • ATO, ATC order (trading order at order matching price): Is a buy or sell order in which the customer accepts all the market’s matching prices in an order-matching session.

4. Reference prices:

  • Is the matching price of the last order matching session of the previous trading day. (The reference price will change on special days).
  • Newly registered shares listed for the first time trading on the exchange do not have a reference price. The matching price in the first trading session will be the reference price for the next day’s trading session.

5. Range, ceiling price, floor price:

Volatility: The percentage of fluctuation in the buying and selling prices of securities during a trading day as regulated by the State Securities Commission. The price fluctuation range of stocks and certificates is changed from time to time%.

– For new shares in the first trading day, the fluctuation range is ±20% of the asking price.

Ceiling price = Reference price  x ( 100% + margin)

Floor price = Reference price  x (100% – range)

6. Quotation unit:

Price

Stocks, fund certificates  

Bonds

< 49.900 đ  

100  

100  

50.000 – 99.500  

500  

100  

> 100.000  

1.000  

100  

– Eg:

+ For stocks and investment fund certificates with market price of #49,900, the order price is: 40,100, 40,200 VND…..

+ For stocks and investment fund certificates with market price from 50,000 to 99,500, the order price steps will be: 55,5000, 56,000,…99,000, 99,500 VND

+ For stocks and investment fund certificates with a market price of 100,000 or more, the order price steps will be :105,000, VND 106,000…….

+ For Bonds, the order price steps are: 23,100, 23,200,…..56,200, 56,300, 100,200, 103,300 VND….

7. Order method:

  • Place orders directly: Customers place orders at transaction counters of Head Office, branches of GTJA (Vietnam)Place orders by phone:
  • Customers call to place orders via the phone number provided by GTJA (Vietnam) on the account card.

Place orders online via Webtrading, Home traiding software, Mobile trading of GTJA  (Vietnam);

  • Margin: Before placing an order to buy or sell securities, customers must ensure 100% of the balance of money and securities in the account.
  • Customers must fill in all information on the Order Form available at the company.
  • For orders to buy or sell ATO, ATC; In the price column, customers need to specify ATO, ATC. ATO buying price is understood as the ceiling price in session 1, ATC is understood as ceiling price in session 3. ATO selling price is understood as floor price in session 1, ATC selling price is understood as floor price in session 3.

8. Some principles to keep in mind:

  • Customers are not allowed to cancel orders after orders have been entered into the system in the same session. The client is entitled to cancel all or part of the order placed in the interval between the two sessions if the order has not been executed or partially executed.
  • Limit orders entered into the system are valid until the end of the last trading session of the day.
  • ATO orders are only valid for 1 trading session. Unmatched ATO orders will be automatically canceled by the system in the next trading session.
  • Customers are not allowed to buy and sell the same securities on the same trading day. If the Buy/Sell order is not matched in session 1, to the next session, the customer must write a Cancellation Order before being allowed to place a Sell/Buy order of that type of security.

9. Order of precedence between command types:

ATO, ATC orders take precedence over limit orders.

10. Rules for determining order matching price:

  • Price priority:

+  Buy order with higher price  is executed first

+   Sell order with lower price is executed first.

Time priority: In case Buy / Sell orders have the same price, the order entered into the trading system first will be executed first.

  • Volume Priority: If Buy/Sell orders satisfy the above two conditions, the order with larger volume will be executed.
  • Order-matching price: For the order-matching price to determine the opening and closing prices: is the price at which the trading volume is executed is the largest. If there are multiple prices with the same maximum trading volume, choose the price closest to the reference price. If there are still many prices that satisfy both of the above rules, the matching price is the highest price.

11. Trading results: Customers will receive a notification of trading results via registered phone messages when the company receives order matching results from the Ho Chi Minh Stock Exchange.

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