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Market liquidity risk and its incorporation into value at risk
[Riziko tržní likvidity a jeho zohlednění v ukazateli value at risk]

Author

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  • Petr Strnad

Abstract

Over the past few years, the Value at Risk indicator (VaR) has evolved, without doubt, into the most frequently used comprehensive tool for assessment of potential losses caused by adverse changes in market rates. However, the common models used for VaR assessment are based only on mid prices and do not take into account the existence of time-varying bid-ask spreads. In addition, they assume that any amount of instruments can be sold almost immediately without an adverse impact on prices. Thus, they focus only on pure market risks without taking into account the market liquidity. As a consequence, they underestimate the total risk.This paper focuses on the importance of market liquidity and describes ways to integrate it into the VaR calculation.

Suggested Citation

  • Petr Strnad, 2009. "Market liquidity risk and its incorporation into value at risk [Riziko tržní likvidity a jeho zohlednění v ukazateli value at risk]," Acta Oeconomica Pragensia, Prague University of Economics and Business, vol. 2009(2), pages 21-37.
    • Handle: RePEc:prg:jnlaop:v:2009:y:2009:i:2:id:11:p:21-37
    DOI: 10.18267/j.aop.11
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    References listed on IDEAS

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    1. Lee, Charles M C & Ready, Mark J, 1991. "Inferring Trade Direction from Intraday Data," Journal of Finance, American Finance Association, vol. 46(2), pages 733-746, June.
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    3. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-1335, November.
    4. Bertsimas, Dimitris & Lo, Andrew W., 1998. "Optimal control of execution costs," Journal of Financial Markets, Elsevier, vol. 1(1), pages 1-50, April.
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    More about this item

    Keywords

    Market liquidity; Liquidation strategy; Bid-ask spread; Market risk; Value at Risk;
    All these keywords.

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G1 - Financial Economics - - General Financial Markets
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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