We use Finnish OMX Helsinki data to examine the relationship between demographic variables, individual investors' broker choices and trade informativeness. We find that men prefer to use Full-Service-Retail over Discount-Retail brokers and that a higher level of income leads to a higher...

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...

This paper examines whether the trading activity of different investor types, institutional versus retail, can affect the relation between beta and average returns. We find that the beta-return relation is strong and positive on days with high institutional trading activity, and negative and...

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...

Corporate directors earn abnormal returns when they buy their own company's stock as insiders. Directors also outperform when they buy stocks with an interlock connection, where a co-board member is an insider. Directors do not consistently earn abnormal returns when they sell these connected...

We investigate the short-term relation between individual investor trading and stock returns on the Australian Securities Exchange. Stocks heavily bought by individual investors underperform stocks heavily sold over the subsequent three days, with respective returns on to a long-short portfolio...

We extend upon the previous studies of the 52 week high and explain how household disposition effect and anchoring behavior is responsible for both the volume spikes at the 52 week high and return continuation following it. Our data set allows recognition of household and institutional stock...

We study the impact of post-trade disclosure of broker IDs on market efficiency, trading volume and bid-ask spreads in a unique South Korean experiment. We find that simply revealing the ex-post order flow of the major brokers to the entire market improves market efficiency to the level of a...

How are trading activity and performance impacted by material events during individual investors' lifetimes? Using a unique dataset, we identify transfers of common stock initiated by the major event of divorce and analyze trading patterns and performance of divorced traders. In aggregate,...