Aldrich, Eric M.; IHeckenbach, Indra Heckenbach; … - Department of Economics, Brigham Young University - 2014
WThis paper builds a model of high-frequency equity returns in clock time by separately modeling the dynamics of trade-time …-frequency asset returns both in clock time and trade time and show that when controlling for pre-scheduled market news events, trade-time … returns are well characterized by a Gaussian distribution at very fine time scales. Second, we develop a structured and …