We utilize seventeen years of comprehensive daily portfolio and trading data identified at the individual investor level, to analyze the relative trading performance of the entire universe of households, all domestic financial institutions and all foreign institutions in the Finnish market. We...

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...

This paper evaluates fund managers’ trading skills using a novel dataset of daily mutual fund transactions. We document strong evidence of short term trading performance for both buys and sells lasting up to one month. By establishing a link between a fund’s trades, holdings, and reported...