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research article

Hedge or Rebalance: Optimal Risk Management with Transaction Costs

Gallien, Florent
•
Kassibrakis, Serge
•
Malamud, Semyon  
December 1, 2018
Risks

We solve the problem of optimal risk management for an investor holding an illiquid, alpha-generating fund and hedging his/her position with a liquid futures contract. When the investor is subject to a lower bound on net return, he/she is forced to reduce the total risk of his/her portfolio after a loss. In this case, he/she faces a tradeoff of either paying the transaction costs and deleveraging or keeping his/her current position in the illiquid instrument and hedging away some of the risk while keeping the residual, unhedgeable risk on his/her balance sheet. We explicitly characterize this tradeoff and study its dependence on asset characteristics. In particular, we show that higher alpha and lower beta typically widen the no-trading zone, while the impact of volatility is ambiguous.

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Type
research article
DOI
10.3390/risks6040112
Web of Science ID

WOS:000455642400009

Author(s)
Gallien, Florent
Kassibrakis, Serge
Malamud, Semyon  
Date Issued

2018-12-01

Published in
Risks
Volume

6

Issue

4

Start page

112

Subjects

Business, Finance

•

Business & Economics

•

optimal portfolio choice

•

transaction costs

•

hedging

•

asymptotic analysis

•

optimal investment

•

portfolio selection

•

time

•

consumption

•

futures

•

model

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SFI-SM  
Available on Infoscience
January 31, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/154205
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