Neural network learns ‘universal model’ for stock-price moves

Neural network
“The relationships between order flow and price are universal and stationary” – Rama Cont

Academics have used machine learning to create a “universal” model for predicting short-term stock-price changes – disproving common assumptions among dealers, hedge funds and high-frequency traders about how such models should be built.

In a recent study, Rama Cont, a professor at Imperial College London, and Justin Sirignano, assistant professor at the University of Illinois at Urbana-Champaign, used a neural network trained on two years of intraday data from Nasdaq’s limit order book to

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