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  • 1
    UID:
    edochu_18452_22245
    Format: 1 Online-Ressource (57 Seiten)
    Content: Simulierte Hedge Missspezifikation zu Risikomanagementzwecken von Cryptocurrencies.
    Content: The market for cryptocurrencies is a very dynamic market with highly volatile movements and discontinuities from large jumps. We investigate the risk-management perspective when selling securities written on cryptocurrencies. To this day, options written on cryptocurrencies are not officially exchange-traded. This study mimics the dynamics of cryptocurrency markets in a simulation study. We assume that the asset follows the stochastic volatility with correlated jumps model as presented in Duffie et al. ( 2000 ) and price options with parameters calibrated on the CRIX, a cryptocurrency index that serves as a representative of market movements. We investigate on risk- management opportunities of hedging options written on cryptocurrencies and evaluate the hedge performance under model misspecification. The hedge models are misspecified in the manner that they include fewer sources of randomness than the nother the ment the ment the industry-standard Black-Scholes option pricing model, the Heston Stochastic volatility model, and the Merton jump-diffusion model. We present different hedging strategies and perform an empirical study on delta-hedging. We report poor hedging results when calibration is poor. The results show good performances of the Black-Scholes and the Heston model and outline the poor hedging performance of the Merton model. Lastly, we observe large unhedgeable losses in the left tail. These losses potentially result from large jumps.
    Note: Masterarbeit Humboldt-Universität zu Berlin 2019
    Language: English
    URL: Volltext  (kostenfrei)
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  • 2
    Online Resource
    Online Resource
    Berlin : Humboldt-Universität zu Berlin
    UID:
    edochu_18452_29120
    Format: 1 Online-Ressource (43 Seiten)
    Content: The cryptocurrency market is volatile, non-stationary and non-continuous. Together with liquid derivatives markets, this poses a unique opportunity to study risk management, especially the hedging of options, in a turbulent market. We study the hedge behaviour and effectiveness for the class of affine jump diffusion models and infinite activity Lévy processes. First, market data is calibrated to stochastic volatility inspired-implied volatility surfaces to price options. To cover a wide range of market dynamics, we generate Monte Carlo price paths using an stochastic volatility with correlated jumps model, a close-to-actual-market GARCH-filtered kernel density estimation as well as a historical backtest. In all three settings, options are dynamically hedged with Delta, Delta–Gamma, Delta–Vega and Minimum Variance strategies. Including a wide range of market models allows to understand the trade-off in the hedge performance between complete, but overly parsimonious models, and more complex, but incomplete models. The calibration results reveal a strong indication for stochastic volatility, low jump frequency and evidence of infinite activity. Short-dated options are less sensitive to volatility or Gamma hedges. For longer-dated options, tail risk is consistently reduced by multiple-instrument hedges, in particular by employing complete market models with stochastic volatility.
    Content: Peer Reviewed
    In: Dordrecht [u.a.] : Springer Science + Business Media B.V, 26,1, Seiten 91-133
    Language: English
    URL: Volltext  (kostenfrei)
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