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Path-Dependence of Leveraged ETF Returns

Marco Avellaneda

New York University (NYU) - Courant Institute of Mathematical Sciences; Finance Concepts LLC

Stanley Jian Zhang

New York University (NYU)

May 14, 2009

It is well-known that leveraged exchange-traded funds (LETFs) don't reproduce the corresponding multiple of index returns over extended (quarterly or annual) investment horizons. In 2008, most leveraged ETFs underperformed the corresponding static strategies. In this paper, we study this phenomenon in detail. We give an exact formula linking the return of a leveraged fund with the corresponding multiple of the return of the unleveraged fund and its realized variance. This formula is tested empirically over quarterly horizons for 56 leveraged funds (44 double-leveraged, 12 triple-leveraged) using daily prices since January 2008 or since inception, according to the fund considered. The results indicate excellent agreement between the formula and the empirical data. The study also shows that leveraged funds can be used to replicate the returns of the underlying index, provided we use a dynamic rebalancing strategy. Empirically, we find that rebalancing frequencies required to achieve this goal are moderate, on the order of one week between rebalancings. Nevertheless, this need for dynamic rebalancing leads to the conclusion that leveraged ETFs as currently designed may be unsuitable for buy-and-hold investors.

Number of Pages in PDF File: 25

Keywords: ETFs, Leveraged ETFs, Realized variance

JEL Classification: G1, G12

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Date posted: May 17, 2009 ; Last revised: September 15, 2009

Suggested Citation

Avellaneda, Marco and Zhang, Stanley Jian, Path-Dependence of Leveraged ETF Returns (May 14, 2009). Available at SSRN: https://ssrn.com/abstract=1404708 or http://dx.doi.org/10.2139/ssrn.1404708

Contact Information

Marco Avellaneda (Contact Author)
New York University (NYU) - Courant Institute of Mathematical Sciences ( email )
251 Mercer Street
New York, NY 10012
United States
212-998-3129 (Phone)
212-995-4121 (Fax)
Finance Concepts LLC ( email )
590 Madison Avenue
21st Floor
New York, NY 10022
United States
HOME PAGE: http://www.finance-concepts.com
Stanley Jian Zhang
New York University (NYU) ( email )
Bobst Library, E-resource Acquisitions
20 Cooper Square 3rd Floor
New York, NY 10003-711
United States
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