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@unpublished{Cont:2018:10.2139/ssrn.3141294,
author = {Cont, R and Sirignano, J},
doi = {10.2139/ssrn.3141294},
title = {Universal features of price formation in financial markets: perspectives from Deep Learning},
url = {http://dx.doi.org/10.2139/ssrn.3141294},
year = {2018}
}

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TY  - UNPB
AB  - Using a large-scale Deep Learning approach applied to a high-frequency database containing billions of electronic market quotes and transactions for US equities, we uncover nonparametric evidence for the existence of a universal and stationary price formation mechanism relating the dynamics of supply and demand for a stock, as revealed through the order book, to subsequent variations in its market price. We assess the model by testing its out-of-sample predictions for the direction of price moves given the history of price and order flow, across a wide range of stocks and time periods. The universal price formation model is shown to exhibit a remarkably stable out-of-sample prediction accuracy across time, for a wide range of stocks from different sectors. Interestingly, these results also hold for stocks which are not part of the training sample, showing that the relations captured by the model are universal and not asset-specific.
AU  - Cont,R
AU  - Sirignano,J
DO  - 10.2139/ssrn.3141294
PY  - 2018///
TI  - Universal features of price formation in financial markets: perspectives from Deep Learning
UR  - http://dx.doi.org/10.2139/ssrn.3141294
UR  - https://ssrn.com/abstract=3141294
UR  - http://hdl.handle.net/10044/1/62927
ER  -

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