• Thai SEC approved amendments to Thai SET regulations to enhance order and stability in securities trading, particularly the Thai SET's proposal to strengthen short selling regulations by prohibiting short selling of stocks outside the SET100 index.
• Aims to reduce volatility in medium, small securities with insufficient trading liquidity.
• Short selling transactions will continue to be subject to the uptick rule, requiring short sales to be executed at prices higher than the last trading price until further review.
• Thai SEC, Thai SET will jointly monitor the situation and evaluate effectiveness.

Effectiveness

• The new regulations will take effect from 16 April 2025.