Execution Risk

25 Pages Posted: 21 May 2006 Last revised: 29 Sep 2010

See all articles by Robert F. Engle

Robert F. Engle

New York University (NYU) - Department of Finance; National Bureau of Economic Research (NBER); New York University (NYU) - Volatility and Risk Institute

Robert Ferstenberg

Morgan Stanley

Date Written: April 2006

Abstract

Transaction costs in trading involve both risk and return. The return is associated with the cost of immediate execution and the risk is a result of price movements during a more gradual trading. The paper shows that the trade-off between risk and return in optimal execution should reflect the same risk preferences as in ordinary investment. The paper develops models of the joint optimization of positions and trades, and shows conditions under which optimal execution does not depend upon the other holdings in the portfolio. Optimal execution however may involve trades in assets other than those listed in the order; these can hedge the trading risks. The implications of the model for trading with reversals and continuations are developed. The model implies a natural measure of liquidity risk

Suggested Citation

Engle, Robert F. and Ferstenberg, Robert, Execution Risk (April 2006). NBER Working Paper No. w12165, Available at SSRN: https://ssrn.com/abstract=896473

Robert F. Engle (Contact Author)

New York University (NYU) - Department of Finance

Stern School of Business
44 West 4th Street
New York, NY 10012-1126
United States

National Bureau of Economic Research (NBER)

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

New York University (NYU) - Volatility and Risk Institute ( email )

44 West 4th Street
New York, NY 10012
United States

Robert Ferstenberg

Morgan Stanley ( email )

1585 Broadway
New York, NY 10036
United States

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