This paper looks at the interplay of volatility and liquidity on the Euronext trading platform during the December 2 …-traded stocks on Euronext, we study the ex-ante liquidity vs volatility and ex-post liquidity vs volatility relationships to … ascertain if the high volatility led to decreases in liquidity and large trading costs. We show that the provision of liquidity …

The volatility information content of stock options for individual firms is measured using option prices for 149 U ….S. firms and the S&P 100 index. ARCH and regression models are used to compare volatility forecasts defined by historical stock … returns, at-the-money implied volatilities and model-free volatility expectations for every firm. For one-day-ahead estimation …

may be generalized, if we use alternative measures of volatility. We choose one feasible alternative and derive a … generalized volatility model. Applying this model to some exemplary market indices, we are able to give some empirical evidence …

parameterization and scaling, which are key features of GAS models compared to other observation driven models. The Dudley entropy …

direction of company-specific news. Information-implied reactions in returns, volatility as well as liquidity demand and supply … London Stock Exchange (LSE), we find market-wide robust news-dependent responses in volatility and trading volume. However …, this is only true if news items are classified as highly relevant. Liquidity supply reacts less distinctly due to a …

supplying liquidity to asynchronously arriving investors. Empirically, twelve years of daily New York Stock Exchange ….28% with a half-life of 0.92 days. Price pressure causes average transitory volatility in daily stock returns of 0.49%. Price …

In this paper, we study the dynamic interdependencies between high-frequency volatility, liquidity demand as well as …. Liquidity is causal for future volatility but not vice versa. Furthermore, trade sizes are negatively driven by past trading …