The directional information content of options volumes
Doojin Ryu and
Journal of Futures Markets, 2018, vol. 38, issue 12, 1533-1548
This study examines the directional information content realized by trades in a highly liquid options market by constructing put–call volume ratios and decoupled options‐to‐spot volume ratios. By investigating whether the specific investor type predicts underlying returns and the method used to exploit a directional information advantage, we find that foreign investment firms can leverage their directional information by executing buy trades to open new positions. Their open‐buy trades significantly predict next‐day spot returns, whereas trades initiated by domestic firms do not. This relationship becomes stronger for out‐of‐the‐money, large, and short‐horizon options trades and during the short‐sale restriction period.
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