Investing in Stocks
What happens when a stock is designated as short-term overheated?
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The short-term overheating mitigation system is designed to prevent excessive momentum trading and unfair trading in stocks that continue to show abnormal surges or overheating.
If a stock meets the designation criteria, such as its price rising 30% or more above the average closing price of the previous 40 trading days, regular market trading in that stock switches to single-price auctions every 30 minutes for 3 trading days.
This answer is general financial information as of 14/10/2026, not investment advice. Rules and tax rates change, so please also check the latest guidance from the source institution.
