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Jan 31

A Constant-Volatility Framework for Managing Tail Risk

Posted by abiao at 10:54 | Paper Review | Comments(1) | Reads(11671)
A paper published in the Journal of Portfolio Management, 2013, Vol. 39, No. 2: pp. 28-40, by Alexandre Hocquard, Sunny Ng, and Nicolas Papageorgiou.

Since Lehman Brothers collapsed in 2008, tail-risk hedging has become an increasingly important concern for investors. Traditional approaches, such as purchasing options or variance swaps as insurance, are often expensive, illiquid, and result in a substantial drag on performance. A more prudent, cost-effective way to maintain a constant risk exposure is to actively manage portfolio exposure according to the prevailing volatility level within underlying assets. The authors implement a robust methodology based on Dybvig’s payoff distribution model to target a constant level of volatility and normalize monthly returns. This approach to portfolio and risk management can help investors obtain their desired risk exposures over both short and longer time frames, reduce exposure to tail risk, and in general increase portfolios’ risk-adjusted performance.

The idea is simple, easy to implement, has a good performance based on the authors' results.
constant volatility tail risk

Journal paper, Working paper.

This articles helps me more. Thanks for your sharing,I will pay more attentions to your blog.  2048 strategy
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