A. Ilmanen, Ashwin K Thapar, Harsha Tummala, Daniel Villalon
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Tail Risk Hedging: Contrasting Put and Trend Strategies
We summarize key research findings on risk-mitigating strategies and offer
an overview of the strengths and weaknesses of regular index put buying
(“Put”) and multi-asset trend following (“Trend”) as tail hedges. The two
biggest questions we address are: (1) What is the long-term average
return or cost, and (2) How reliable and efficient is the hedge in equity
market tail events? We present empirical answers and discuss the
economic rationale for each question. The common view that Put costs
more but is a more effective tail hedge contains a kernel of truth but does
not capture the full story. We will give a more nuanced picture, including
practicality for investors, but in the end show the cost advantage favors
Trend over Put.