Trading Procedure

Off-Hour Trading

Off-Hour Trading
  • Off -hour trading is the extra trading period after the closing of the regular trading session. This extended-time trading enables investors, especially institutional investors and foreign investors, to adjust their positions. It also serves as a tool for traders to cover the transactions executed in the regular session or to adjust transaction errors.
  • Off -hour trading begins at the random closing time and ends at 17:00 hours.  Only trade report transactions as specified in the following rules can be recorded
Trade Report – Off-hour
Volume/ValueEach transaction must be with a volume of less than 1 million shares and a value of less than THB 3 million..
PriceClosing price or volume weighted average price (VWAP) of that trading day. If neither is available, the last closing price will be used.
Others
  • Both one-firm trade report and two-firm trade report
  • Advertisement via trading system is allowed.
Trade Report – Big Lot
Volume/ValueEach transaction must have a minimum volume of at least 1 million shares or a minimum value of at least THB 3 million.
Price

1. No Tick sizes requirement
2. Price limits is ±30 percent of the previous closing price of the local shares (except trade reports in cases of mergers and acquisitions which are permitted by the SET on a case-by-case basis)
3. Related report must be submitted to SET if the transaction meets one of the following criteria

    • Size of the transaction is larger than 25% of the company’s registered capital, or transaction results in the buyer’s shareholding of 25%, 50%, or 75% of the company’s registered capital
Others
  • Both one-firm trade report and two-firm trade report
  • Advertisement via trading system is allowed.
Trade Report – Foreign
Volume/ValueEach transaction must be with a volume of less than 1 million shares and a value of less than THB 3 million.
PricePrice limit is +60% of previous day closing price of local shares
Others
  • Both one-firm trade report and two-firm trade report
  • Advertisement via trading system is allowed.