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Differential Access to Price Information in Financial Markets

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  • Easley, David
  • O’Hara, Maureen
  • Yang, Liyan

Abstract

Recently, exchanges have been directly selling market data. We analyze how this practice affects price discovery, the cost of capital, return volatility, market liquidity, information production, and trader welfare. We show that selling price data increases the cost of capital and volatility, worsens market efficiency and liquidity, and discourages the production of fundamental information relative to a world in which all traders observe prices. Generally, allowing exchanges to sell price information benefits exchanges and harms liquidity traders. Overall, our results suggest that regulations on selling market data can play an important role in improving market quality and trader welfare.

Suggested Citation

  • Easley, David & O’Hara, Maureen & Yang, Liyan, 2016. "Differential Access to Price Information in Financial Markets," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 51(4), pages 1071-1110, August.
    • Handle: RePEc:cup:jfinqa:v:51:y:2016:i:04:p:1071-1110_00
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    Cited by:

    1. Marszk, Adam & Lechman, Ewa, 2021. "Reshaping financial systems: The role of ICT in the diffusion of financial innovations – Recent evidence from European countries," Technological Forecasting and Social Change, Elsevier, vol. 167(C).
    2. Roşu, Ioanid, 2019. "Fast and slow informed trading," Journal of Financial Markets, Elsevier, vol. 43(C), pages 1-30.
    3. Chen, Xingjiang & Ruan, Xinfeng & Zhang, Wenjun, 2021. "Dynamic portfolio choice and information trading with recursive utility," Economic Modelling, Elsevier, vol. 98(C), pages 154-167.
    4. Arrondel, Luc & Calvo-Pardo, Hector & Giannitsarou, Chryssi & Haliassos, Michael, 2022. "Informative social interactions," Journal of Economic Behavior & Organization, Elsevier, vol. 203(C), pages 246-263.
    5. Farshid Abdi & Botao Wu, 2018. "Informed Corporate Credit Market Before Monetary Policy Surprises: Explaining Pre-FOMC Stock Market Movements," Working Papers on Finance 1828, University of St. Gallen, School of Finance.
    6. Quanbo Zha & Gang Kou & Hengjie Zhang & Haiming Liang & Xia Chen & Cong-Cong Li & Yucheng Dong, 2020. "Opinion dynamics in finance and business: a literature review and research opportunities," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 6(1), pages 1-22, December.
    7. Huang, Shiyang & Qiu, Zhigang & Yang, Liyan, 2020. "Institutionalization, delegation, and asset prices," Journal of Economic Theory, Elsevier, vol. 186(C).
    8. Jean-Edouard Colliard, 2017. "Catching Falling Knives: Speculating on Liquidity Shocks," Management Science, INFORMS, vol. 63(8), pages 2573-2591, August.
    9. Shiyang Huang & Yan Xiong & Liyan Yang, 2022. "Skill Acquisition and Data Sales," Management Science, INFORMS, vol. 68(8), pages 6116-6144, August.
    10. Itay Goldstein & Liyan Yang, 2022. "Commodity Financialization and Information Transmission," Journal of Finance, American Finance Association, vol. 77(5), pages 2613-2667, October.
    11. Bernales, Alejandro & Garrido, Nicolás & Sagade, Satchit & Valenzuela, Marcela & Westheide, Christian, 2020. "Trader Competition in Fragmented Markets: Liquidity Supply versus Picking-off Risk," SAFE Working Paper Series 234, Leibniz Institute for Financial Research SAFE, revised 2020.
    12. Anufriev, Mikhail & Arifovic, Jasmina & Ledyard, John & Panchenko, Valentyn, 2022. "The role of information in a continuous double auction: An experiment and learning model," Journal of Economic Dynamics and Control, Elsevier, vol. 141(C).
    13. Kang, Junqing & Lin, Shen & Xiong, Xiong, 2022. "What drives intraday reversal? illiquidity or liquidity oversupply?," Journal of Economic Dynamics and Control, Elsevier, vol. 136(C).
    14. Vanwalleghem, Dieter, 2017. "The real effects of sustainable & responsible investing?," Economics Letters, Elsevier, vol. 156(C), pages 10-14.
    15. Alex Frino & Ognjen Kovačević & Vito Mollica & Robert I. Webb, 2020. "The sensitivity of trading to the cost of information," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 40(10), pages 1631-1644, October.
    16. Cheng, Feiyang & Wang, Chunfeng & Chiao, Chaoshin & Yao, Shouyu & Fang, Zhenming, 2021. "Retail attention, retail trades, and stock price crash risk," Emerging Markets Review, Elsevier, vol. 49(C).

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