• 1 Introduction
  • 2 Data
  • 3 Empirical Results
  • 3.1 Trading Activities on the CBOE
  • 3.2 Trading Activities on EUREX—Frankfurt and Zurich
  • 3.3 Trading Activities on EURONEXT—London and Paris
  • 3.4 Controlling False Discoveries in Option Informed Trades
  • 4 Conclusions