This paper focuses on the horse race of weekly idiosyncratic momentum (IMOM) with respect to various risk metrics. Using A-share individual stocks in Chinese market from January 1997 December 2017, we first evaluate performance based raw returns and returns, respectively. After that univariate portfolio analysis is conducted investigate return predictability Further, perform a comparative study...

The conventional momentum strategy performs poorly overall in China, because stock prices behave very differently when markets are open for trading versus they closed. Stocks that past intraday (overnight) winners persistently outperform those losers the subsequent periods. However, same intraday- (overnight-) suffers dramatically overnight (intraday) Further analysis shows tend to be more (les...

There is a large and growing literature documenting the relation between ex ante observable variables and stock returns. Importantly, much of the evidence on the relation between returns and observable variables like market capitalization, the ratio of price/book, and prior price change has been portrayed in the context of returns to simulated portfolio strategies. Often missing in these analys...

Anthropogenic climate change represents a global threat to human well-being1–3 and ecosystem functioning4. Yet despite its importance for science and policy, our understanding of the causes of widespread uncertainty and doubt found among the general public remains limited. The political and social processes driving such doubt and uncertainty are di cult to rigorously analyse, and research has t...