The impacts of asymmetric information and short sales on the illiquidity risk premium in the stock option market

Zih Ying Lin, Chuang Chang Chang, Yaw Huei Wang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The illiquidity risk premium hypothesis implies the existence of a positive relation between illiquidity in the option market and option returns. Based on numerous studies within the extant literature examining the roles of informed traders in the option markets, we explore how information asymmetry and short sales affect the illiquidity risk premium hypothesis. We find that the illiquidity risk premium is higher for both call and put options of those firms with higher information asymmetry, which is particularly driven by small firms. We also find that it is higher for put (call) options of those stocks with lower (higher) short-sale supply (demand).

Original languageEnglish
Pages (from-to)152-165
Number of pages14
JournalJournal of Banking and Finance
Volume94
DOIs
StatePublished - Sep 2018

Keywords

  • Information asymmetry
  • Informed traders
  • Option illiquidity premium
  • Short sales
  • Short-sale constraints

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