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Comparison of Hedging Option Positions of the GARCH(1,1) and the Black-Scholes ModelsHsing, Shih-Pei 30 June 2003 (has links)
This article examines the hedging positions derived from the Black-Scholes(B-S) model
and the GARCH(1,1) models, respectively, when the log returns of underlying asset exhibits
GARCH(1,1) process.
The result shows that Black-Scholes and GARCH options deltas, one of the hedging
parameters, are similar for near-the-money options, and Black-Scholes options delta is
higher then GARCH delta in absolute terms when the options are deep out-of-money, and
Black-Scholes options delta is lower then GARCH delta in absolute terms when the options
are deep in-the-money.
Simulation study of hedging procedure of GARCH(1,1) and B-S models are performed,
which also support the above findings.
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