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...

This study examines the impact of corporate earnings announcements on trading activity and speed of price adjustment, analyzing algorithmic and non–algorithmic trades during the immediate period pre– and post– corporate earnings announcements. We confirm that algorithms react faster and...

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...

When brokers, analysts and fund managers buy or sell for their own account, they outperform retail investors over short windows up to a month. They earn particularly high abnormal returns when they trade simultaneously with other financial experts and when they trade before earnings...

Conducting the first study of momentum impact on households' ETF trading behavior, we find that Finnish households are less contrarian when trading benchmark index ETFs than when trading common stocks. Also, their propensity to chase recent positive momentum is higher when purchasing ETFs than...