This study proposes a new approach to the estimation of daily volatility in financial markets. To do this we evaluate a number of traditional estimators of daily volatility based upon intra-day data and propose a new estimator of daily volatility based upon intra-day data which is both unbiased...

This article examines whether idiosyncratic risk is priced for equities listed in the Australian Stock Exchange (ASX). Specifically, this article follows the methodology of Bali et al. (2005) and investigates whether idiosyncratic volatility is able to predict 1-month ahead excess returns on the...