Trading Procedure

Equities Trading

Trading Hours
SET trading is conducted on all bank business days, normally Monday through Friday. There are two trading sessions per day, morning and afternoon except Cross-border Products.
Trading SessionPeriodTrading MethodTrading Type

Pre-open Session I

9.30 a.m. - T1

  • Auction
  • Board Lot

Trading Session I

T1 - 12.30 p.m.

  • Automated Order Matching: AOM
  • Board Lot
  • Odd Lot
  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Foreign
  • Trade Report – Buy-in
  • Trade Report - Member buy-in

Intermission

Pre-open Session II

13.30 p.m. - T2

  • Auction
  • Board Lot

Trading Session II

T2 - 16.30 p.m.

  • Automated Order Matching: AOM
  • Board Lot
  • Odd Lot
  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Foreign

Pre-close

16.30 p.m. - T3

  • Auction
  • Board Lot
  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Foreign

Off-hour

T3 - 17.00 p.m.

  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Foreign
  • Trade Report – Off-hour

Market Close

17.00 p.m.

 

 

Trading Hours for Securities with Foreign Underlying Assets
This includes:
  • Foreign underlying Derivative Warrants (Foreign DWs)
  • Foreign underlying Exchange-Traded Funds (Foreign ETFs)
  • Depository Receipts (DR) representing foreign securities in Asia**
Trading SessionPeriodTrading MethodTrading Type

Pre-open Session

9.30 a.m. - T1

  • Auction
  • Board Lot

Trading Session

T1 - 4.30 p.m.

  • Automated Order Matching: AOM
  • Board Lot
  • Odd Lot
  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Buy-in
  • Trade Report - Member buy-in

Pre-close Session

4.30 p.m. - T3

  • Auction
  • Board Lot
  • Trade Report
  • Trade Report – Big Lot

Off-hour Session

T3 - 5.00 p.m.

  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Off-hour

Market Close

5.00 p.m.

 

 

Trading Hours for Depository Receipts representing Foreign Securities in Europe and the US**

Trading SessionPeriodTrading MethodTrading Type
Day Trading Session

Pre-open Day Session

9.30 a.m. - T1

  • Auction
  • Board Lot

Day Trading Session

T1 - 4.30 p.m.

  • Automated Order Matching: AOM
  • Board Lot
  • Odd Lot
  • Trade Report
  • Trade Report – Big Lot
  • Trade Report – Buy-in*
  • Trade Report - Member buy – in*

Pre-close Day Session

4.30 p.m. - T3

  • Auction
  • Board Lot
  • Trade Report
  • Trade Report – Big Lot

Off-hour Session

T3 - 5.00 p.m.

  •  Trade Report
  • Trade Report – Big Lot
  • Trade Report – Off-hour
Night Trading Session

Pre-open Night Session

6.45 p.m. - T4

  • Auction
  • Board Lot

Night Trading Session

T4 - 2.45 p.m.

  • Automated Order Matching: AOM
  • Board Lot
  • Trade Report
  • Trade Report – Big Lot

Pre-close Night Session

2.45 p.m. - T5

  • Auction
  • Board Lot
  • Trade Report
  • Trade Report – Big Lot

Market Close

T5

 

 

**Trade Report – Buy-in and Trade Report - Member buy – in, must be done within the time specified by TCH
**The Stock Exchange of Thailand will announce whether listed securities are eligible for trading in the Day Trading Session and/or the Night Trading Session. For securities eligible for the Night Trading Session, any transactions executed after 12:00 a.m. (midnight) and continuing into the next day shall be considered as transactions of the same trading day.

Remarks

T1   is the random opening time between 9:55 a.m. – 10:00 a.m. for calculating the opening prices for the morning trading session.

T2   is the random opening time between 1:55 p.m. – 2:00 p.m. for calculating the opening prices for the afternoon trading session.

T3   is the random closing time between 4:35 p.m. – 4:40 p.m. for calculating the closing prices for the day trading session.

T4   is the random opening time between 6:55 p.m. – 7:00 p.m. for calculating the opening prices for the night trading session.

T5   is the random closing time between 2:55 a.m. – 3:00 a.m. for calculating the closing prices for the night trading session.