We examine the intraday behavior of the risk neutral probability density (RND) for the Standard and Poor's 500 Index extracted from a continuous real-time data feed of bid and ask quotes for index options. This allows an exceptionally detailed view of how investors' expectations about returns...

The Federal Reserve announces its new interest rate target while the stock market is open, at precisely 2:15 P.M. eight times a year. In the Efficient Markets model, information is impounded in prices immediately and accurately as soon as it becomes public knowledge and only the unanticipated...

This paper provides evidence that the 52-week high serves as a psychological barrier, inducing expectational errors and underreaction to news. Two clear predictions emerge and are confirmed in the data. First, nearness to a 52-week high induces expectational errors; evidence from earnings...

Long-short anomaly returns are strongly related to the day of the week. Anomalies for which the speculative leg is the short (long) leg experience the highest (lowest) returns on Monday. The opposite pattern is observed on Fridays. The effects are large; Monday (Friday) alone accounts for over...