Securities that the Stock Exchange of Thailand (SET) and Bualuang Securities Limited Company specify as having irregular trading--in other words, securities with high trading turnover ratios -- must meet all of the following conditions
1. Common Shares traded on either SET or mai:
1.1 have an average daily trading value of THB 100 million or more; and
1.2 have turnover ratios of 50% or higher; and
1.3 have P/E ratios of 50 times or higher, or have net loss.
2. Warrants traded on either SET or mai:
2.1 have an average daily trading value of THB 100 million or more; and
2.2 have turnover ratios of 100% or higher; and
2.3 have price premiums of 20%, or more, of the underlying security.
Level 1 : Requiring investors to pay the full amount of cash ahead of trading, for three consecutive weeks.
Level 2 : The Cash balance rule, plus banning the use of securities as trading limit calculation will be applied for three consecutive weeks after the announcement.
Level 3 : SET will prohibit net settlement trading on those securities, causing the amount received on sale of the relevant security will not be credit as a purchasing limit on the same day, on top of the imposition of Cash balance rule and banning the use of securities as trading limit calculation for three consecutive weeks after the announcement.
Investors should study about the risks associated with such securities before making any investment decision.