M. Suresh Sundaresan

Risk Management Framework for Hedge Funds Role of Funding and Redemption Options on Leverage

Coauthor(s): John Dai.

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Abstract:
We develop a model of hedge fund returns, which reflect the contractual relationships between a hedge fund, its investors and its prime brokers. These relationships are modeled as short option positions held by the hedge fund, wherein the "funding option" reflects the short option position with prime brokers and the "redemption option" reflects the short option position with the investors. Given an alpha producing human capital, the hedge funds ability to deploy leverage is shown to be sharply constrained by the presence of these short options. We show that the hedge funds typically have an optimal level of leverage. Optimal leverage is shown to differ across hedge funds reflecting their delevering costs, Sharpe ratios, correlation of assets, secondary market liquidity of their assets, and the volatility of the assets. Using a minimum level of unencumbered cash level as a risk limit, we show how a hedge fund can optimally allocate its risk capital across different risk-taking units to maximize alpha in the presence of these short option positions. Implications of our analysis for hedge fund investors and policy makers are summarized.

Source: Working paper
Exact Citation:
Dai, John, and M. Suresh Sundaresan. "Risk Management Framework for Hedge Funds Role of Funding and Redemption Options on Leverage." Working paper, Columbia Business School, March 2010.
Date: 3 2010