Machine Learning: Deep Asymptotics

Artificial neural networks have recently been proposed as accurate and fast approximators in various derivatives pricing applications. Their extrapolation behavior cannot be controlled due to the complex functional forms typically involved. In this new research, Drs. Alexandre Antonov, Michael Konikov and Vladimir Piterbarg overcome this significant limitation and develop a new type of neural network that incorporates large-value asymptotics, allowing explicit control over extrapolation.

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Author: Dr. Alexandre Antonov, Ph.D., Chief Analyst at Danske Bank

A 20 year Numerix veteran, Dr. Antonov is a Chief Analyst at Danske Bank in Copenhagen. Dr. Antonov received his PhD degree from the Landau Institute for Theoretical Physics in 1997 and joined Numerix in 1998, where he worked as a Senior Vice President of Quantitative Research. His activity is concentrated on modeling and numerical methods for interest rates, cross currency, hybrid, credit and CVA and FVA. Dr. Antonov is a published author for multiple publications in mathematical finance, including Risk magazine and a frequent speaker at financial conferences. He was named Risk Magazine's 2016 Quant of the Year. Most recently he served as a Director at Standard Chartered in London.

Author: Dr. Michael Konikov, Senior Vice President and Head of Quantitative Development, Numerix

Dr. Michael Konikov is a Senior Vice President and Head of Quantitative Development at Numerix, where he manages a team responsible for the development and delivery of models in Numerix software.  Previously, he worked at Citigroup, Barclays, and Bloomberg in quantitative research and desk quant roles.  He completed his PhD in mathematical finance at the University of Maryland College Park, concentrating, in particular, on the application of pure jump processes to option pricing.  Dr. Konikov's publications cover diverse asset classes ranging from equity to interest rates and credit. He has been published four technical articles in RISK Magazine on interest rate modeling, SABR model, and algorithmic differentiation for PV and XVA Greeks. Dr. Konikov is also co-author of the upcoming book Alexandre Antonov, Michael Konikov, Michael Spector “Modern SABR Analytics,” Springer (2019).

Author: Dr. Vladimir Piterbarg, MD, Head of Quantitative Analytics and Quantitative Development at NatWest Markets

Dr. Piterbarg is Managing Director, Head of Quantitative Analytics and Quantitative Development at NatWest Markets. Prior to this he was Managing Director and the Head of Quantitative Analytics at Barclays Capital. Before joining Barclays Capital in March 2005, he was a co-head of quantitative research for Bank of America, where he had worked for 8 years. Vladimir Piterbarg’s main areas of expertise are the modelling of exotic interest rate and hybrid derivatives. Among his many published papers, Dr. Piterbarg authored "Stochastic volatility model with time-dependent skew," (Applied Mathematical Finance, 12(2): 147-185, June 2005), which introduced stochastic volatility to the LIBOR market model. He was named Quant of the Year 2006 by Risk Magazine, was the Associate Editor of the Journal of Computational Finance, and was Co-Editor (along with Leif B.G. Andersen) of the Interest Rate Modeling section for the Encyclopedia of Quantitative Finance. Dr. Piterbarg holds a Ph.D. in Mathematics (Stochastic Calculus) from University of Southern California.


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