Underlying each stock trades hundreds of options at different strike prices and maturities. The order flow from these option transactions reveals important information about the underlying stock price movement and its volatility variation. How to aggregate the trade information of different...

Reuters 3000 Xtra is a real‐time and interactive global news and financial information service that covers the equity market, bond market, foreign currency and money market, and various derivative markets. While there are hundreds of business schools in the USA, only a handful of schools have...

Electronic trading markets have evolved rapidly with continued adoption of new technologies and growing information acquisition and processing capabilities. Traditional perspectives on trading performance adopted a monolithic view of information. Past research and practitioner heuristics posit...