Yahoo Finance, 09 April 2021
The move will add to similar controls put in place since August 2016, first on extreme gyrations in equities and a year later on derivative products. They followed a series of events that provoked regulatory probes into market misconduct such as price manipulation and pump-and-dump scandals.
“The volatility control mechanism (VCM) has worked as intended without any negative feedback from the market,” said Tom Chan Pak-lam, chairman of Hong Kong Institute of Securities Dealers, the local brokerage industry body. “In many cases, sharp and sudden price movements were smoothed out as the cooling-off periods allowed participants to react while trading continued.”
