The well-documented negative association between idiosyncratic volatility (IV) and stock returns is puzzling if investors are risk-averse. We show that this anomaly is also prominent in the Chinese stock market. We attempt to explain the IV anomaly by using the key theories suggested by the...

In this paper we argue that momentum profits are driven by both past performance and the relative proximity to an available reference point, the 52-week high. We construct momentum-style portfolios that are driven strictly by past returns which we call ‘run' based measures, and compare these...

In this paper we investigate if directors of Australian companies earn persistent profits on their reported trades, if these abnormal profits are significant enough to be mimicked by outsiders, and if these insider trades have an effect on returns of other investors. We find that insiders take...