Deep Learning for Asset Bubbles Detection

• URL: http://arxiv.org/abs/2002.06405v1
• Date: Sat, 15 Feb 2020 16:16:39 GMT
• Title: Deep Learning for Asset Bubbles Detection
• Authors: Oksana Bashchenko and Alexis Marchal
• Abstract summary: We develop a methodology for detecting asset bubbles using a neural network. We show the outperformance of our algorithm over the existing statistical method in a laboratory created with simulated data. We build a zero net exposure trading strategy that exploits the risky arbitrage emanating from the presence of bubbles in the US equity market from 2006 to 2008.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We develop a methodology for detecting asset bubbles using a neural network. We rely on the theory of local martingales in continuous-time and use a deep network to estimate the diffusion coefficient of the price process more accurately than the current estimator, obtaining an improved detection of bubbles. We show the outperformance of our algorithm over the existing statistical method in a laboratory created with simulated data. We then apply the network classification to real data and build a zero net exposure trading strategy that exploits the risky arbitrage emanating from the presence of bubbles in the US equity market from 2006 to 2008. The profitability of the strategy provides an estimation of the economical magnitude of bubbles as well as support for the theoretical assumptions relied on.

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