University of Hong Kong Business School).Trading venues have adopted volatility interruption measures to protect investors from … extreme price gyrations and disorderly markets. Among such measures, Volatility Control Mechanisms (VCMs) are implemented …

has generally increased over time, and that in times of crisis liquidity is lower and the volatility of liquidity is …

include the invariance-implied measure of effective price volatility …

of linear autocorrelation, volatility clustering), trading volumes (volume clustering, correlation between volume and … volatility), and timing of trades (number of price changes, autocorrelation of durations between subsequent trades, heavy tail in …