Frequently Asked Questions (FAQ)

– Matching orders in even lots: 100 shares per order. 

– Matching orders in odd lots: 1 to 99 shares per order. 

– Put through transactions: no trading unit is specified, the minimum even lot is 5,000 shares. 

– Bonds: 1

(1) Order matching method:

– For stocks: 100 VND.

– For ETF certificates, Bonds: 1 VND

(2) Negotiated transactions: No regulation on the unit of quotation.

– During the continuous order matching session: Orders can be modified or canceled if the order or the remaining part of the order has not been matched. 

– During the periodic order matching session: Orders placed during the periodic order matching session and orders transferred from the continuous order matching session cannot be modified or canceled. 

– During the after-hours order matching session: PLO orders cannot be modified or canceled.

Ceiling price = Reference price + (reference price x price fluctuation range)

Floor price = Reference price – (reference price x price fluctuation range)

The reference price is the closing price of the most recent previous trading day or the listed price for newly listed securities on the floor.

– The closing price of the previous trading day or the listed price for newly listed securities on the floor.

– On the ex-rights trading day (ie the trading day when stocks and ETF certificates are not entitled to dividends or accompanying rights), the reference price is determined according to the principle of taking the closing price of the most recent day to adjust according to the dividend value or the value of rights.

– In some sessions where the closing price cannot be determined, the market operator may apply another method of determining the reference price with the approval of the State Securities Commission.

– The priority of the order remains unchanged if only the volume is edited to decrease. 

– The priority of the order is calculated from the time the edited order is entered into the trading system in cases of editing to increase volume/or edit price.

Unexecuted negotiated transactions can be canceled, but not if the order has been matched. In case the Securities Company enters the wrong agreed order of the Investor, the Company is allowed to modify the order but must present the original order, and must have the partner agree to modify the order and be approved by HNX.