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Market liquidity risk and its incorporation into value at risk

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  • Petr Strnad
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    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.

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    Bibliographic Info

    Article provided by University of Economics, Prague in its journal Acta Oeconomica Pragensia.

    Volume (Year): 2009 (2009)
    Issue (Month): 2 ()
    Pages: 21-37

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    Handle: RePEc:prg:jnlaop:v:2009:y:2009:i:2:id:11:p:21-37

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    Related research

    Keywords: Value at Risk; Market risk; Market liquidity; Liquidation strategy; Bid-ask spread;

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    References

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    1. Bertsimas, Dimitris & Lo, Andrew W., 1998. "Optimal control of execution costs," Journal of Financial Markets, Elsevier, Elsevier, vol. 1(1), pages 1-50, April.
    2. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, Econometric Society, vol. 53(6), pages 1315-35, November.
    3. Lee, Charles M C & Ready, Mark J, 1991. " Inferring Trade Direction from Intraday Data," Journal of Finance, American Finance Association, American Finance Association, vol. 46(2), pages 733-46, June.
    4. Timotheos Angelidis & Alexandros Benos, 2006. "Liquidity adjusted value-at-risk based on the components of the bid-ask spread," Applied Financial Economics, Taylor & Francis Journals, Taylor & Francis Journals, vol. 16(11), pages 835-851.
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