SET trading is conducted on all bank business days, normally Monday through Friday. There are two trading sessions per day, morning and afternoon.
9:30 - T1
T1 is the random opening time between 09:55 – 10:00 for calculating the opening prices for the morning trading session. Auction method is used to determine opening prices.
T1 - 12:30
Morning trading session
12:30 - 14:00
14:00 - T2
T2 is the random opening time between 14:25 – 14:30 for calculating the opening prices for the afternoon trading session. Auction method is used to determine opening prices.
T2 - 16:30
Afternoon trading session
Continuous order matching stops at 16:30; however orders may still be sent for queuing until closing auction is performed in T3.
16:30 - T3
T3 is the random closing time between 16:35 – 16:40 for calculating the closing prices of each day.
T3 - 17:00
The trading system allows the following actions to be performed:
1. Enter a trade report transaction
2. Send a request to bust/cancel the trade report
3. Update certain information in the trade, e.g. owner type (investor type)