In this research study, we develop a new measure based on the option market to address the information role of earnings announcement on uninformed traders. Enlightened by previous theoretical work by Kim and Verrecchia (1991, 1994) and empirical findings in Patell and Wolfson (1979, 1981), our...

We study the real-time characteristics and drivers of jumps in option prices. To this end, we employ high frequency data from the 24-hour E-mini S&P 500 options market. We find that option prices do not jump simultaneously across strikes and maturities and are uncorrelated with jumps in the...