# The Stock Exchange of Thailand (SET) to enforce three additional regulatory measures to enhance market supervision

- Link: https://www.thailand-business-news.com/set/155940-the-stock-exchange-of-thailand-set-to-enforce-three-additional-regulatory-measures-to-enhance-market-supervision
- Published: 2024-08-12T08:07:00+07:00
- Author: SET News

The Stock Exchange of Thailand is moving forward with the improvement of 3 additional
regulatory measures in addition to the previously implemented short selling and 
trading program regulatory measures to build investor confidence, effective from
September 2, 2024 onwards, as summarized below.

The Stock Exchange of Thailand (SET) has announced three additional regulatory measures
to enhance market supervision and boost investor confidence, following recent amendments
to short selling and program trading regulations. The new measures, effective September
2, 2024, are as follows: 

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**1. Auction Matching Method** will be required for all investors trading securities
that SET has designated as the trading surveillance measures at Level 2 and above,
in addition to the existing measures for securities with abnormal trading conditions.

**2. Dynamic Price Band for individual securities **of ±10 percent from the latest
execution price will be imposed. This measure will complement the existing daily
ceiling and floor price limits of ±30 percent from the previous day’s closing price,
providing an additional mechanism to mitigate securities price fluctuation.  

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**3. Minimum Resting Time before an order can be amended or cancelled **is set at
250 milliseconds. This measure aims to curb excessively frequent order updates and
cancellations that could potentially mislead the market about high demand for particular
securities.

  For more detailed information, please visit SET’s website: [www.set.or.th](http://www.set.or.th/)
under the menu “Rules & Regulations” section, then “Rules & Circular Letters”.

**Source** : [The Stock Exchange of Thailand has added Auction Matching, Dynamic
Price Band, and Minimum Resting Time measures from 2 September 2024.