Following the monitoring of trading in shares of Stars Microelectronics (Thailand) Public Company Limited (SMT) during the Level 1 market surveillance period, which commenced on May 27, 2026, the Stock Exchange of Thailand (SET) has observed that SMT’s trading activity today (June 12, 2026) surged with heightened speculative activities, in the absence of any fundamental basis or relevant information to justify such movement, as detailed below
SET hereby announces that SMT will be placed under Level 2 market surveillance measures, effective June 15 – July 3 2026, which prohibit credit line calculation, require 100 percent cash payment, prohibit net settlement, and restrict trading to the Auction method only.
|
Today’s trading activity (June 12, 2026) |
SMT |
ETRON Sector |
|
Price |
· New high at THB 3.78 · Rose continuously throughout the session: +22.73 percent |
· Average increase of +4 percent (domestic and foreign combined)
|
|
Turnover ratio (speculative indicator) |
· 9.52 percent |
· 2.7 percent |
|
P/E ratio |
· N/A (Loss-making) |
· 144 times |
|
Trading Value |
· Rose to THB 189 million · Increased 430 percent compared to the prior period (10 trading days)
|
· Declined 9.42 percent compared to the prior period (10 trading days) |
Note:
Market surveillance measures require member firms to comply as follows:
Level 1: Prohibition on credit line calculation and cash balance (100 percent cash purchase required)
Level 2: Level 1 measures + prohibition on net settlement and restriction to Auction trading method
Level 3: Trading halt for one business day on the first trading day; upon resumption, Level 2 measure remains in effect
