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Price Regulations
Price Regulations

The SET has set a floor limit of minus 30% of the previous day's closing price on the main board while the ceiling limit is plus 30% of the previous day's closing price on the main board. However, for securities whose prices are less than one baht, stock prices can fluctuate freely. Ceiling and floor limits are applied to each trading board except for the foreign board.

Price Spreads
The Stock Exchange of Thailand (SET)'s official spread range is shown in the table below;

Bid / Offer Range Spread Price
< 2 Baht 0.01 Baht
> 2 - 5 Baht 0.02 Baht
> 5 - 10 Baht 0.05 Baht
> 10 - 25 Baht 0.10 Baht
> 25 - 100 Baht 0.25 Baht
> 100 - 200 Baht 0.50 Baht
> 200 - 400 Baht 1.00 Baht
> 400 Baht 2.00 Baht