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Does Option Trading Have a Pervasive Impact on Underlying Stock Prices?
[Equity market impact]

Author

Listed:
  • Sophie X Ni
  • Neil D Pearson
  • Allen M Poteshman
  • Joshua White
  • Andrew Karolyi

Abstract

The question of whether and to what extent option trading affects underlying stock prices has been of interest to researchers since exchange-based options trading began in 1973. Recent research presents evidence of an informational channel through which option trading affects stock prices by showing that option market makers’ stock trades to hedge new options positions cause the information reflected in option trading to be impounded into underlying equity prices. This paper provides evidence of a noninformational channel through which option market maker hedge rebalancing affects stock return volatility and the probability of large stock price moves.

Suggested Citation

  • Sophie X Ni & Neil D Pearson & Allen M Poteshman & Joshua White & Andrew Karolyi, 2021. "Does Option Trading Have a Pervasive Impact on Underlying Stock Prices? [Equity market impact]," The Review of Financial Studies, Society for Financial Studies, vol. 34(4), pages 1952-1986.
    • Handle: RePEc:oup:rfinst:v:34:y:2021:i:4:p:1952-1986.
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    File URL: http://hdl.handle.net/10.1093/rfs/hhaa082
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    Citations

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    Cited by:

    1. Karamfil Todorov, 2021. "Passive funds affect prices: evidence from the most ETF-dominated asset classes," BIS Working Papers 952, Bank for International Settlements.
    2. Wu, Lingke & Liu, Dehong & Yuan, Jianglei & Huang, Zhenhuan, 2022. "Implied volatility information of Chinese SSE 50 ETF options," International Review of Economics & Finance, Elsevier, vol. 82(C), pages 609-624.
    3. Anders Merrild Posselt, 2022. "Dynamics in the VIX complex," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 42(9), pages 1665-1687, September.
    4. Abel Azze & Bernardo D'Auria & Eduardo Garc'ia-Portugu'es, 2022. "Optimal stopping of Gauss-Markov bridges," Papers 2211.05835, arXiv.org, revised Dec 2023.

    More about this item

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors

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