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Contribution Details

Type Journal Article
Scope Discipline-based scholarship
Title How Much Is the Gap? Efficient Jump Risk-Adjusted Valuation of Leveraged Certificates
Organization Unit
Authors
  • Ally Quan Zhang
  • Matthias Thul
Item Subtype Original Work
Refereed Yes
Status Published in final form
Language
  • English
Journal Title Quantitative Finance
Publisher Taylor & Francis
Geographical Reach international
ISSN 1469-7688
Volume 17
Number 9
Page Range 1387 - 1401
Date 2017
Abstract Text This paper develops a novel and highly efficient numerical algorithm for the gap risk-adjusted valuation of leveraged certificates. The existing literature relies on Monte Carlo simulations, which are not fast enough to be used in a market making environment. This is because issuers need to compute thousands of price updates per second. By valuing leveraged certificates as multi-window barrier options, we explicitly model random jumps that occur at known times, such as between the exchange closing and re-opening. Our algorithm combines the one-day transition probability with Simpson's numerical integration rule. This yields a backward induction scheme which requires a significantly coarser spacial and time grid than finite difference methods. We confirm its robustness and accuracy through Monte Carlo simulations.
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Digital Object Identifier 10.1080/14697688.2016.1276299
Other Identification Number merlin-id:14643
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