We investigate the contribution of

We investigate the contribution of option markets to price discovery, using a modi- fication of Hasbrouck's (1995) "information share" approach. Based on five years of stock and options data for 60 firms, we estimate the option market's contribution to price discovery to be abou

We investigate the contribution of option markets to price discovery using a, modi - fication of Hasbrouck 's (1995) information. " Share. "Approach. Based on five years of stock and options data for 60 firms we estimate, the option market s contribution. ' To price discovery to be abou.